the hollow shaft has 14% greater in diameter but 53% less in weight Example 3-3 a hollow shaft and a solid shaft has same material, same length, same outer radius R, and ri = 0.6 R for the hollow shaft (a) for same T, compare their , , and W (b) determine the strength-to-weight ratio (a) ∵ $ = T R / Ip = T L / G Ip A. If a force of magnitude, F, is applied to a body of mass, M, the body will accelerate at a rate, A (m/sec2), according to the equation: F = MA. How to Select Right Bearing for your Application | Bearing ... 2, 3 and 4. c. 2 and 3. d. all of the above. Specific heat of a substance at constant volume is a property of the system. Material and manufacturing of Crankshafts. PDF Materials Selection for Mechanical Design I ∑Fx = 0: 100 N - (300 N ) 0 5 3 − F = F = −80 N ∑Fy = 0: - (300 N ) 0 5 N 4 = N = 240 N • Calculate maximum friction force and compare with friction force required for equilibrium. The design of shafts made of brittle materials is based on C. Electrical power input less copper losses. JEE Physics Mechanical Properties Of Solids MCQs Set B with answers available in Pdf for free download. Explanation: The ultimate stress of a material is the greatest load required to fracture the material divided by the area of the original cross section in the point of fracture The ultimate stress is also known as tenacity. (d) Malleability. The shaft is supported on bearings and it rotates a set of gears or e. Balance zone. The maximum tensile or compressive stress is not to exceed 56MPa. The solved questions answers in this Test: Shafts, Keys & Couplings - 1 quiz give you a good mix of easy questions and tough questions. GATE Thermodynamics Questions - Mechanical Engineering ... View Answer. The bearing material, in these applications, should have sufficient endurance strength to avoid failure due to pitting. An engineering drawing is a subcategory of technical drawings. Unit of force is the Newton (S I unit) (a) rolling pair. A steel rod of 25 mm diameter and 600 mm long is subjected to an axial pull of 40000. The lateral strain is (a) The ratio of axial deformation to the original length (b) The ratio of deformation in the area to the original area (c) The strain at right angles to the direction of applied load (d) The ratio of the length of the body to the tensile force applied to it 3. Best wishes! The intensity of stress is? ⇐ MCQ in Machine Design Part 3 | ME Board Exam. Engineering Drawing Basics Explained. (a) Plastic deformation (b) Elastic deformation (c) Creep (d) Anelastic deformation 2. . The torsion equation is derived on the basis of following assumptions: > The shaft material is uniform, throughout the shaft. The property of a material by virtue of which a body returns to its original, shape after removal of the load is called . Explanation: 474) A key is normally made from a cold rolled mild steel bars. Ans: c. 35. Strength Of Materials MCQ Questions & Answers | Civil Engineering. High Brittleness. A. The weighted property values of each material are then summed to give a performance index (γ). 8. 1. These short objective type questions with answers are very important for Board exams as well as competitive exams. This makes understanding the drawings simple with little to no personal interpretation . B) there is a large pressure drop in the line connecting condenser to the expansion valve. The necessary length of the key for equal strength of the shaft and key will be; The property which refers to the relative ease with which a material can be cut is known as Good machinability c. High fatigue strength d. Good castability 7.Which material is suitable for shaft material? In a D.C. series motor if the armature current is reduced by 50%, the torque of the motor will be equal to. Stainless steel or high carbon steel c. Grey cast iron d. Steel having approx. MCQ Mechanical Engineering Question Papers: DRDO, ISRO, Interview Questions, GATE. Strength of Materials Multiple choice Questions :- 1. Which property is not required for shaft materials? Centrifugal pumps allow the back flow of fluid from delivery side to the suction side of the pump. (c) 25% of the previous value. 0.4 to 1. The shaft is under torsion only. (a) Elasticity. Which material is suitable for shaft material? The dimension of strain is ( a) LT -2 (d) N/m 2 (c) N (d) Dimensionless 2. a. Answer: 73 mm. The bearing material should have the ability to yield and adopt its shape to that of the journal. A. Bondability. Q1 - Rolling contact bearing are classified according to. The value of shear stress which is induced in the shaft due to the applied couple varies (a) from maximum at the center to zero at the circumference (b) from zero at the center to maximum at the . I will write on that too. MCQ ON ROLLING CONTACT BEARING. The ultimate strength of steel in tension in comparison to shear is in the ratio of (a) 1 : l (b) . C) the refrigeration effect is to be increased. A source of energy is known as renewable source a) F ossil fuel b) Solar c) C NG d) A ll of the above 3. (a) acts when external load is applied. A shaft is subjected to a maximum bending stress of 80 N/mm2 and maximum shearing stress equal to 30 N/mm2 at a particular section. Ans: d. 81. Sanfoundry is a free education & learning platform, for the global community of students and working professionals, where they can practice 1 million+ multiple choice questions & answers (MCQs), tutorials, programs & algorithms in engineering, programming, science, and school subjects.Scroll down for the list of popular topics or search below. Calculate the power lost in the bearing for a sleeve length of 90mm. Some properties of cast iron is discuss as below. Multiple Choice Questions for CAD/CAM 1. calls for material specifications which are applicable to the above -mentioned tanks, and chapter 3 calls for loads and buckling designs. Question 64 Explanation: The Hamming Distance between the two codeword: XOR between 2 valid codeword will give another valid codeword, The number of 1's in the valid codeword will indicate hamming distance (d). what are the properties of cast iron. Tools required: . Answer: (c) 25% of the previous value. The property of a material states that it is rigid. These short objective type questions with answers are very important for Board exams as well as competitive exams. torque required to produce a twist of one radian per unit . Cutting of the excess metal at edge which was required for gripping purpose during press working operation C. Cutting in a single line across a part of the metal strip to allow bending or forming in pregressive die operation while the part remains . D Insufficient data. Question.5. This contains 10 Multiple Choice Questions for Mechanical Engineering Test: Shafts, Keys & Couplings - 1 (mcq) to study with solutions a complete question bank. High shear and tensile strength b. Centrifugal pump is a non-positive displacement pump. Brayton cycle is a reversed . 851. engineering materials objective questions and answers part1; . > After the application of torques the plain section of a shaft remains plain. (d) is always harmful. 4. (d) torque required to produce a twist of one radian per unit length of shaft (e) maximum power it can transmit at highest possible-speed. Download app for fast access + Download from play store It is known as the principle . 1, 2 and 4. b. (c) is independent of external loads. (b) two resolved parts in two directions at right angles are equal. The current through the 100 Ω . Time dependent permanent deformation is called _____. The property of a material by which it can be beaten or rolled into thin sheets, is called. a) High shear and tensile strength b) Good machinability c) High fatigue strength d) Good castability. A hollow shaft with diameter ratio 3:8 is required to transmit 600 KW power at 110 rpm, the maximum torque being 20% greater than the mean. 3. make machine fit for the user. If you need MCQ questions on some other topic, please write in the comment box. Cast iron is brittleness is very high than other materials. A small steam whistle (perfectly insulated and doing no shaft work) causes a drop of 0.8 kJ/kg in enthalpy of steam from entry to exit. find the suitable diameter of the shaft if the maximum torque transmitted in each revolution exceeds the mean by 20 %. The purpose is to convey all the information necessary for manufacturing a product or a part. 0.4% carbon and 0.8% manganese 8. Standard shaft sizes Standard shaft materials Design of shaft based on strength 8.1.1 Shaft Shaft is a common and important machine element. Q.11 A line shaft rotating at 200rpm, is to transmit 200kW. If the yield point in tension of the material is 280 N/mm2 and the maximum shear stress theory of failure is used, then the factor of safety obtained will be A number of forces acting at a point will be in equilibrium if. Class 10 Science Chapter 12 MCQ With Answers Question 7. Chapter 3 especially highlights the modified seismic coefficient method and the modal analysis as approved evaluation methods of seismic design based Answer is: both the strength and rigidity of the shaft. Q5. Centrifugal pump is a non-positive displacement pump. Discuss ISRO CS 2011 Digital-Logic-Design Number-system. The allowable shear stress for the material of the shaft is 42Mpa. (b) turning pair. (b) becomes zero when external load is removed. OxAA= (1010 1010) 2. A kinematic chain is called a mechanism, if the number of fixed links is. reaction force from plane required to maintain equilibrium. 5. Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction. (IES, 2001) A) expansion valve is at a higher elevation than condenser. A shaft with collars at both ends fitted into a circular hole is a popular example of. The kinematic viscosity of oil of specific gravity .8 is .0005 .This oil is used for lubrication of shaft of diameter .4 m and rotates at 190 rpm. The value of Poisson's ratio for this . Of shaft) A key and a shaft are made from the same material. (e) none of the above. (a) their total sum is zero. Question.6. For example, in electrical motors where the shaft is free to rotate but the motor housing is not, ball bearings are used to connect the shaft to the motor housing. Electrical power input less iron and friction losses. 21. Here are Some GATE questions based on the basic thermodynamics. Mechanics of Materials 18MEI33 If s is the shear stress and G is modulus of rigidity then, G Fig. Multiple Choice Questions form important part of competitive exams and JEE exam and if practiced properly can help you to . Shaft keys and coupling mcq, mcqs on shaft keys and coupling, multiple choice questions on shaft key and coupling, shaft keys and coupling multiple choice question, shaft keys and coupling objective questions, quiz on shaft keys and coupling, mcq on shaft keys and coupling, shaft keys coupling quiz , shear force and bending moment diagram objectives questions,test series on sfd and bmd. Centrifugal pumps allow the back flow of fluid from delivery side to the suction side of the pump. Search the world's information, including webpages, images, videos and more. (e) is always beneficial. (c) sliding pair. Sanfoundry is a free education & learning platform, for the global community of students and working professionals, where they can practice 1 million+ multiple choice questions & answers (MCQs), tutorials, programs & algorithms in engineering, programming, science, and school subjects.Scroll down for the list of popular topics or search below. The shear stress is not to exceed 63MN/m 2 and angle of twist in a length of 3 m is not to exceed 1.4 0. Which property is not required for shaft materials? 8. The maximum bending stress developed is 100 MPa. The shear stress for the shaft is not to exceed 70 N/mm2 and the maximum torque exceeds the mean by 40 %. Gearbox Multiple Choice Questions and Answers for competitive exams. (c) sum of resolved parts in any two per-pendicular directions are both zero. a & b. Q2 - The last two digits of the bearing designation give the bore diameter of rolling contact bearing when multiplies by. C. Comformability. 1, 2 and 4. b. Electrical power input to motor. 3. B. Subooling in the condenser of a refrigeration system is advisable when. This property is called conform-ability. - Different materials used for shaft are: low carbon steels ( 20C8 . High speed steel b. Mechanics of Materials 18MEI33 If s is the shear stress and G is modulus of rigidity then, G Fig. The property of a material which enables it to resist fracture due to high impact loads is known as (a) elasticity . a. 4. The ratio of the weight of the hollow shaft will be (both shafts being made of same material) If a square key and the shaft are to be of the same material and of equal strength, the length of key would be (d = dia. These short solved questions or quizzes are provided by Gkseries. D. joule. (b) 50% of the previous value. SHOW ANSWER. 2. make user adapt to the machine. material removing ️ . The building up of worn and uridersized parts, subjected to repeated loads by electroplating is. The area around the centre of gravity of a cross-section within which any load applied will produce stress of only one sign throughout the entire cross-section, is known as. > Even after loading the shaft circular remains circular. If it is greater, block will not slide. Contact Us. D. Electrical power input less total losses (copper loss, iron loss, friction and windage losses) a. Good Hardness. Torsional deflection is a significant consideration in the design of shaft and the limit should be in the range of _____________ degree/foot of length. Advantages of ball bearings: Good wear resistance; Do not need much lubrication Diploma Mechanical Engineering Mock Test Paper. A key capable of tilting in a recess milled out in a shaft is . d. Neutral zone. PART 5: MCQs from Number 201 - 250 Answer key: PART V. SEE: More Questions and Answers . It is a rotating member, in general, has a circular cross-section and is used to transmit power. This is because the moment of the force which is acting on its line of the axis at point P is the same throughout. 1.126) The shaft of an overhang crank is subjected to a force F of 2kN as shown in figure. Removal of excess metal from the edge of a strip to make it suitable for drawing without wrinkling B. Machine Design Multiple choice Questions with Answers :- 1. Question 1. They may even undergo structural and mechanical failures. Different pressure exists on the two sides of the moving blades of a reaction turbine. Two bulbs of 100 Ω and 40 Ω are connected in series. PART 4: MCQs from Number 151 - 200 Answer key: PART IV. of the motor or engine required to drive the compressor (C) Volume of free air delivery per stroke to the swept volume of the piston Continue Practice Exam Test Questions Part 4 of the Series. Strain is defined as the ratio of (a) change in volume to original volume (b) change in length to origi . 3. Determine the diameter of the shaft. Choose the letter of the best answer in each questions. direction of load. numerical value of property x 100 B = scaled property = ----- maximum value in the list Materials and Process Selection for Engineering Design: Mahmoud Farag 18 . (a) 100% of the previous value. 10. Engineering drawings use standardised language and symbols. A key and a shaft are made from the same material. magnitude of load. type of rolling element. 23. - Hence, shafts are made of ductile materials such as plain carbon steels, alloy steels, etc. Strength of Materials MCQs. > Any twist that occurs in the shaft remains uniform and constant. 1. It is subjected to a point load at the center. Google has many special features to help you find exactly what you're looking for. a. Answer: Option C 24. In a CAD package, mirror image of a 2D point P (5, 10) is to be obtained about a line which passes through the origin and makes an angle of 45° counterclockwise with the X-axis. SHOW ANSWER. 5.3: Torsion in shaft R = L s G G s = R L Similarly if the point B considered is at any distance r from centre instead of on the surface, it can be shown that G (i) r L s - Brittle materials such as cast iron are not used to make shafts as they are brittle and undergo oxidation. Torsion equation or torsion constant is defined as the geometrical property of a bar's cross-section that is involved in the axis of the bar that has a relationship between the angle of twist and applied torque whose SI unit is m 4.The torsion equation is given as follows: The material with the highest performance index (γ) is optimum for the application. ISBN-13: 978--19-808549-2 ISBN-10: -19-808549-4 Typeset in Times by Trinity Designers & Typesetters, Chennai Printed in India by Tara Art Printers (P) Ltd, Noida Third-party website addresses mentioned in this book are provided Material Science/Mechanical Properties of Metals Multiple Choice Questions Satish V. Kailas/IISc, Bangalore M4/V1/June 04/1 Multiple Choice Questions: 1. The C.G. 17. When the load is applied, the journal is deflected resulting in contact at the edges. 21. Ox55 = (0101 0101) 2. of a plane lamina will not be at its geometrical centre in the case of a. I hope that the Multiple-Choice Questions on Lathe Machine will help you a lot. These short solved questions or quizzes are provided by Gkseries. Number of stages required for pressure drop is small for the same power. MCQs of CAD/CAM 1. Cambridge, Massachusetts Materials Systems Laboratory ©Jeremy Gregory and Randolph Kirchain, 2005 Materials Selection I - Slide 18 Property Chart •Cheapest, hardest material is soda-lime glass - used in car headlights •For plastics, cheapest is PMMA - used in car tail lights Price (USD/kg) 0.1 1 10 100 Hardness - Vickers (Pa) 10000 . The mechanical output available at the dc motor shaft is equal to. Torsional Shear Stress PSGDB -7.1 where τ = Torsional shear stress induced at the outer surface of the shaft or maximum shear stress, N/mm2 r = Radius of the shaft, mm T = Torque or twisting moment, N-mm J = Second moment of area of the section about its polar axis or polar moment of inertia, mm4 C = Modulus of rigidity for the shaft material, N/mm2 The questions are accompanied with hints, solutions and answers. Computer Science multiple choice questions and answers. 3 and 4. c. 1 and 3. d. 1, 3 and 4. 1. decrease physical stresses. This material has excellent wear resistant capacity and a Rockwell hardness of about 64 HRC. Work is considered positive when a) W ork is done on the system b) w ork is done by the system c) bot h a and b d) none of the above 2. PART 2: MCQs from Number 51 - 100 Answer key: PART II. Found site related problem + Download crome browser for best view Don't use mini version (opera, uc browser etc.) Strength of Materials solved mcqs. 7. 2. The key is rectangular with a width of D/4 and a height of 3D/16. 2. 1. PART 1: MCQs from Number 1 - 50 Answer key: PART I. Q6. 7. (b) Plasticity. Trimming is the operation of... A. connect the shaft of one turbine to that of another. (d) spherical pair. Newton's second law states that "the net force acting upon an object is equal to the rate at which its momentum changes with time.". Thank you. Gearbox Multiple Choice Questions and Answers for competitive exams. Assume modulus of rigidity for the shaft material as 84 GN/m 2. Roller, ball and tapered roller bearings are usually made of chrome SAE 52100 bearing steel. Bearings made of chrome steel can function at temperatures up to 120 ° C, and upon heat treatment, they can even go as high as 220 ° C. Ans: c. 6. At the time of short circuit, the electric current in the circuit: (a) vary continuously (b) does not change (c) reduces substantially (d) increases heavily Answer: MCQ Electricity Class 10 Question 8. Symmetrical. (c) Ductility. For premium access Login / Register. Fm = µs N Fm = 0.25 (240 N )= 60 N A rotating steel shaft is supported at the ends. The MCQ Questions for JEE Physics with answers have been prepared as per the latest JEE Physics Mechanical Properties Of Solids syllabus, books and examination pattern. In transport engines, manganese steel such as 20 Mn 2, 27 Mn 2, and 37 Mn 2 is generally used for the making of the crankshaft. Design of Shaft: Resisting couple should be equal to the applied torque and is given as, Example-1 A solid shaft is required to transmit 120 kW power at 200 r.p.m. The function of vent plug used in a reservoir is to flush out oil. If the shaft carries a central load of 900N and is simply supported between bearings 3m apart, determine the diameter of the shaft. The specific heat of a substance at constant pressure is defined as the rate of change of ___ with respect . The property of a bearing material which has the ability to accommodate shaft deflections and bearing inaccuracies by plastic deformation without excessive wear and heating, is known as. a. Depending on the application, different types of ball bearings are available to choose from. B. Embeddability. A thick film bearing is a bearing (A) Where the surfaces of journal and the bearing are completely separated by a film of lubricant (B) Where the surfaces of journal and the bearing are partially separated by a film of lubricant and there is partial metal to metal contact (C) Where the surfaces of journal and the bearing are separated by a film created by elastic deflection of parts MCQs: Design of Machine Elements - Mcqs Clouds is a portal which provide MCQ Questions for all competitive examination such as GK mcq question, competitive english mcq question, arithmetic aptitude mcq question, Data Intpretation, C and Java programing, Reasoning aptitude questions and answers with easy explanations. 19 Calculate diameter of shaft using maximum principle stress theory, when equivalent bending moment of 900 x 103 N-mm acts on the shaft when maximum tensile stress does not exceed 50 N/mm2 and equivalent torque of 700 N-m acts on it. (d) all of them are inclined equally. Metallic materials used in bearings Chrome steel SAE 52100. (d) 10% of the previous value. In industrial engines, the crankshafts are commonly made from carbon steel such as 40 C 8, 55 C 8, and 60 C 4. 10. a. only 2. b. 5.3: Torsion in shaft R = L s G G s = R L Similarly if the point B considered is at any distance r from centre instead of on the surface, it can be shown that G (i) r L s Answer: C [ Principle transmissibility of the force ] Description: If a force is applied at any point in its line of action and is still creating the same moment about any fixed point, say P, then the force is said to be a sliding vector. The shaft may be hollow or solid. a) High speed steel b) Stainless steel or high carbon steel c) Grey cast iron d) Steel having approx. Residual stress in materials. EME MCQ QUESTION BANK 1. 2, 3 and 4. c. 2 and 3. d. all of the above. PART 3: MCQs from Number 101 - 150 Answer key: PART III. You must not circulate this work in any other form and you must impose this same condition on any acquirer. 15) The objective of considering ergonomics in machine design is to ____. D) the compressor work is to reduced. D. Fatigue strength. To obtain minimum centre distance between driving and driven shaft (B) To have required direction of rotation (C) Both of these (D) None of these . [AU, May / June - 2007] 1.125) Design a suitable diameter for a circular shaft required to transmit 90 KW at 120 rpm. The function of vent plug used in a reservoir is to flush out oil. (A) Work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio (B) Isothermal power to the shaft power or B.P. a) true b) false Answer: a Explanation: Since T,v and u are the properties of the system, specific heat at a constant volume is a property of the system. 5) Ductility. Brittleness of cast iron high that's why cast iron not used in metal forming process. ⇒ Worlds very first Multiple Choice Questions / Objective type questions, MCQ's Search Engine. MCQ Questions and Answers of Mechanical Engineering) 1.Manufacturing Properties of cast iron. Basic Thermodynamics is a very important topic for the GATE Preparation. A 56.80 mm. The hollow shaft is to be 10% larger in diameter than the solid shaft. 0.4% carbon and 0.8% manganese. 9. A bar of square cross section of side 'a' is subjected to a tensile load P on a plane inclined at to the axis of the bar, the normal stress will be. Take allowable shear stress as 70 N/mm 2 for the material of . If the yield, ultimate and corrected endurance strength of the shaft material are 300 MPa, 500 MPa and 200 MPa, respectively, then the factor of safety for the shaft is _____ 151. In aero engines, nickel-chromium steel such as 35 Ni 1 Cr 60 and . 4. improve appearance of the product. Q4. , shafts are made of ductile materials such as plain carbon steels ( 20C8 the rate of change ___. Bearings are usually made of brittle materials is based on < /a > on... Worn and uridersized parts, subjected to repeated loads by electroplating is comment box strength )! 250 Answer key: part IV mean by 40 % directions at right angles equal... Part IV of D/4 and a height of 3D/16 contact at the center a substance constant! Mcq questions on Mechanical Engineering... < /a > MCQ on Mechatronics - Amit Mahto < /a > of! To that of the pump 474 ) a key and a height of 3D/16 about 64 HRC acts! Mock Test on Diploma Mechanical Engineering... < /a > 8 of fluid from delivery side the... Iron is brittleness is very high than other materials are both zero > 23 to original volume ( b change... Engineering | MCQ | objective < /a > 23 loading the shaft of one which property is not required for shaft materials mcq per unit Exam Review /a. Material of of tilting in a reservoir is to convey all the information for. Questions based on < /a > Residual stress in materials are some GATE based... Deformation 2 if you need MCQ questions on some other topic, please write in the shaft?. Castability 7.Which material is suitable for drawing without wrinkling b ) there is a large pressure is... //Mcq.Mytutorialworld.Com/Objective-Questions/Engineering/Mechanical/Mechanical-Set-1/Mechanical-Set-1-Machine-Design/471 '' > the design of Machine Elements Question Bank < /a > Residual in! Vent plug used in a recess milled out in a shaft is or quizzes are provided Gkseries. Both zero take allowable shear stress as 70 N/mm 2 for the of! Journal is deflected resulting in contact at the edges a significant consideration in the case a! By which it can be beaten or rolled into thin sheets, is called shaft remains... The limit should be in the bearing for a sleeve length of.. Limit should be in the range of _____________ degree/foot of length about 64 HRC transmitted in each revolution the... An Engineering drawing is a property of the above suction side of the previous.... Two bulbs of 100 Ω and 40 Ω are connected in series ) Creep ( d ) 2! Motor if the Number of stages required for pressure drop in the line connecting condenser to the suction of. The limit should be in the comment box compressive stress is not to exceed 56MPa in line... 2001 ) a key is normally made from the same power armature current is reduced by 50 %, journal. ( 20C8 the specific heat of a strip to make shafts as they which property is not required for shaft materials mcq brittle and oxidation! Enables it to resist fracture due to high impact loads is known as ( a ) elasticity 1 Cr and... And if practiced properly can help you a lot which enables it to resist fracture to... Mechanical Engineering MCQ PDF part 3: MCQs from Number 51 - Answer... Both ends fitted into a circular cross-section and is used to make shafts they. Be beaten or rolled into thin sheets, is called by which it can be beaten or rolled thin... Contact bearing are classified according to this material has excellent wear resistant capacity and a shaft plain. Design part 3: MCQs from Number 51 - 100 Answer key part! Previous value ratio for this objective type questions with answers are very important for Board as... Ratio of ( a ) LT -2 ( d ) steel having approx which is acting on its line the. Materials < /a > Residual stress in materials limit should be in the comment box an Engineering drawing a! And 4 ) Plastic deformation ( b ) two resolved parts in Any two per-pendicular directions are both zero directions! Shaft remains plain delivery side to the suction side of the pump used for shafts careerride.com! As 84 GN/m 2 to transmit power 25 mm diameter and 600 mm long is subjected to a point at! Is at a higher elevation which property is not required for shaft materials mcq condenser - careerride.com < /a >.., block will not slide strip to make it suitable for drawing without wrinkling which property is not required for shaft materials mcq low carbon,. Test on Diploma Mechanical Engineering MCQ PDF part 3: MCQs from Number 151 - 200 Answer:... The questions are accompanied with hints, solutions and answers high shear and tensile strength b Stainless! To choose from for this material removing ️ equal to Question Bank < /a > 21 has many special to! Test on Diploma Mechanical Engineering... < /a > 8, please in! On the Basic thermodynamics maximum tensile or compressive stress is not to exceed 70 and... Radian per unit will not slide which property is not required for shaft materials mcq subjected to a force F of 2kN as shown in.! //Www.Examyear.Com/Mock-Test-On-Diploma-Mechanical-Engineering/ '' > MCQ on Mechatronics - Amit Mahto < /a > 21 > 1 - brittle materials based! And tensile strength b ) becomes zero when external load is applied, journal... Shaft if the Number of fixed links is > 1 is a subcategory of technical drawings and 4 ) deformation... Of D/4 and a height of 3D/16 member, in general, has a circular cross-section and simply... Are accompanied with hints, solutions and answers ) sum of resolved parts in two directions right... The torque of the shaft material as 84 GN/m 2 - ROLLING contact bearing little to no personal.! Turbine to that of another shaft with collars at both ends fitted into a cross-section! > 8 - all Exam Review < /a > 8 is 42Mpa or a.... 3 - all Exam Review < /a > d Insufficient data key and a Rockwell of! And uridersized parts, subjected to repeated loads by electroplating is shaft of one turbine to that of the will! Speed steel b ) Elastic deformation ( b ) 50 % of the shaft sleeve of... Exactly what you & # x27 ; s why cast iron high that & # x27 s. A material states that it is rigid MCQ PDF part 3: MCQs from Number 201 - 250 key... Them are inclined equally Exam Review < /a > Residual stress in materials brittleness of cast iron maximum exceeds! Ball bearings are available to choose from and answers not be at its geometrical centre the! From delivery side to the which property is not required for shaft materials mcq side of the best Answer in each questions deformation... Overhang crank is subjected to repeated loads by electroplating is questions with answers are very important for Board as... Of about 64 HRC | ME Board Exam fatigue strength d ) all of axis... Links is or compressive stress is not to exceed 56MPa ( γ ) optimum. > Mock Test on Diploma Mechanical Engineering | MCQ | objective < /a > d Insufficient data on Machine... Per unit Answer: ( c ) high speed steel b ) there is a example. Is at a higher elevation than condenser two directions at right angles are equal of 3D/16 section of shaft... To yield and adopt its shape to that of another in metal forming process Number 51 100. ) N/m 2 ( c ) high speed steel b ) Good machinability c ) high fatigue strength Good. Material used for shaft are: low carbon steels, alloy steels, alloy steels alloy. That the Multiple-Choice questions on some other topic, please write in the line connecting condenser the! Engineering MCQ PDF part 3 - all Exam Review < /a > d data. - 250 Answer key: part I of rigidity for the application, Different types of ball bearings are to... Little to no personal interpretation materials < /a > 1 valve is at a higher elevation condenser... Should have the ability to yield and adopt its shape to that of above. Topic, please write in the line connecting condenser to the expansion valve is at a higher than! Required to produce a twist of one radian per unit shaft and the maximum torque in! That & # x27 ; s why cast iron d. steel having approx you exactly.: More questions and answers the property of a substance at constant volume which property is not required for shaft materials mcq a rotating,! 200 Answer key: part III the armature current is reduced by 50 %, the journal determine diameter. What you & # x27 ; s ratio for this from a cold rolled mild bars. Accompanied with hints, solutions and answers which property is not required for shaft materials mcq shafts - careerride.com < /a > 23 one to... Thin sheets, is called a mechanism, if the shaft material as GN/m. Strength d ) Anelastic deformation 2 I hope that the Multiple-Choice questions on Mechanical.... With hints, solutions and answers be at its geometrical centre in the bearing material should have the to. Line connecting condenser to the suction side of the previous value edge of a substance at pressure... ) sum of resolved parts in two directions at right angles are equal the building up of worn uridersized...: low carbon steels ( 20C8 load is removed the best Answer in each.... Personal interpretation steel such as plain carbon steels ( 20C8 subjected to an axial pull of 40000 for a length... - Hence, shafts are made from a cold rolled mild steel bars as they brittle. The bearing material should have the ability to yield and adopt its shape to that of the shaft circular circular. High impact loads is known as ( a ) expansion valve is at a higher than. Than condenser connected in series and 600 mm long is subjected to a F! Mcq questions on some other topic, please write in the shaft is 42Mpa mechanism, if the of! Flow of fluid from delivery side to the suction side of the best Answer in each questions change of with! Bearing for a sleeve length of 90mm from the edge of a material which enables it resist. Are provided by Gkseries MCQ questions on Mechanical Engineering | MCQ | objective < >!