22564 Elements of Machine Multiple Choice Questions

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Hello Diploma Students in this article we have provided 22564 Elements of Machine Multiple Choice Questions. With the help of this Elements of Machine Mcq Question bank pdf Diploma in Mechanical Engineering Students can Practice for their Upcoming Msbte Winter 2021 Exams.

In this Mcq on Elements of Machine We have selected Important Questions from Previous Year Model Answer Paper and Made A possible Set Of 30 Questions which can Help Students in Preparation for Their Exams. This Mcq on Elements of Machine Design Paper pdf Is Ideal for Candidates who are in 3rd Year of Mechanical Engineering Course.

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Elements of Machine Mcq Question bank pdf

By Referring this Elements of Machine Design Mcq Msbte Diploma in Mechanical Engineering Students Can Practice for their Upcoming Exams. We Have Also Provided Elements of Machine Design Mcq pdf Link at the end of the Quiz You can Download it for Future Reference.

22564 Elements of Machine Multiple Choice Questions

1) The material used for brake lining should have __________ coefficient of friction.
A. low

Correct!

Wrong!

2) The property of a material which enables it to be drawn into wires with the application of a tensile force, is called
A. plasticity
B. elasticity
C. ductility
C. ductility

Correct!

Wrong!

3) The design of the pin of a rocker arm of an I.C. engine is based on
A. bearing failure
B. shearing failure
C. bending failure
D. all of these

Correct!

Wrong!

4) All stresses produced in a belt are
A. compressive stresses
B. tensile stresses
C. both tensile and compressive stresses
D. shear stresses

Correct!

Wrong!

5) The ratio of the ultimate stress to the design stress is known as
A. elastic limit
B. strain
C. factor of safety
D. bulk modulus

Correct!

Wrong!

6) The cross-section of the arm of a bell crank lever is
A. rectangular
B. elliptical
C. I-section
D. any one of these

Correct!

Wrong!

7) The rocker arms in internal combustion engines are of first type levers.
A. Correct
B. Incorrect

Correct!

Wrong!

8) The bell crank levers used in railway signaling arrangement are of third type levers.
A. True
B. False

Correct!

Wrong!

9) A tapered key which fits in a key way in the hub and is flat on the shaft, is known as
A. feather key
B. gib-head key
C. woodruff key
D. flat saddle key

Correct!

Wrong!

10) The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)
A. 0.5 d
B. 0.8 d
C. d
D. 1.2 d

Correct!

Wrong!

11) A crankshaft is a __________ shaft.
A. transmission
B. machine

Correct!

Wrong!

12) A wood-ruff key is
A. a tapered key with head at one end
B. fitted in pairs at right angles
C. capable of tilting in a recess milled out in the shaft
D. all of the above

Correct!

Wrong!

13) A shaft is designed on the basis of rigidity and stiffness.
A. Correct
B. Incorrect

Correct!

Wrong!

14) Wahl’s stress factor __________ very rapidly as the spring index decreases.
A. increases
B. decreases

Correct!

Wrong!

15) A leaf spring in automobiles is used
A. to apply forces
B. to measure forces
C. to absorb shocks
D. to store strain energy

Correct!

Wrong!

16) A spring is used to
A. measure forces
B. apply forces
C. store energy
D. all of these

Correct!

Wrong!

17) The buttress threads have low frictional resistance characteristic of the square threads and have the same strength of V-threads.
A. Yes
B. No

Correct!

Wrong!

18)The included angle for the British standard whitworth thread is
A. 29°
B. 47.5°
C. 55°
D. 60°

Correct!

Wrong!

19) The transverse filet welded joints are designed for
A. tensile strength
B. compressive strength
C. bending strength
D. shear strength

Correct!

Wrong!

20) The bearing is called hydrostatic lubricated bearing when the lubricant is forced between the journal and the bearing by external pressure,
A. Agree
B. Disagree

Correct!

Wrong!

21) What is the ball bearings commonly made from
A. low carbon steel
B. high carbon steel
C. medium carbon steel
D. high speed steel

Correct!

Wrong!

22) Which of the following is an antifriction bearing?
A. journal bearing
B. pedestal bearing
C. collar bearing
D. needle bearing

Correct!

Wrong!

23)Which of the following properties is desirable in parts subjected to shock and impact loads?
A. Strength
B. Stiffness
C. Brittleness
D. Toughness

Correct!

Wrong!

24) Stress concentration factor is defined as the ratio of
A. maximum stress to the endurance limit
B. nominal stress to the endurance limit
C. maximum stress to the nominal stress
D. nominal stress to the maximum stress

Correct!

Wrong!

25) In the levers of __________ type, the mechanical advantage is less than one.
A. first
B. second
C. third

Correct!

Wrong!

26) The taper on a rectangular sunk key is
A. 1 in 16
B. 1 in 32
C. 1 in 48
D. 1 in 100

Correct!

Wrong!

27) A coupling used to connect two perfectly aligned shafts, is
A. muff coupling
B. compression coupling
C. flange coupling
D. all of these

Correct!

Wrong!

28) The average shear stress in the hollow shaft is smaller than the average shear stress in the solid shaft.
A. True
B. False

Correct!

Wrong!

29) The design of shafts made of brittle materials is based on
A. Guest’s theory
B. Rankine’s theory
C. St Venant’s theory
D. VonMises theory

Correct!

Wrong!

30) A key way lowers
A. the strength of the shaft
B. the rigidity of the shaft
C. both the strength and rigidity of the shaft
D. the ductility of the shaft

Correct!

Wrong!

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