Hello Diploma Students in this article we have provided Elements of Machine Design Mcq Questions with Answers Pdf. With the help of this Elements of Machine Design Notes Mcq Diploma in Mechanical Engineering Students can Practice for their Upcoming Msbte Winter 2021 Exams.
In this Elements of Machine Design mcq pdf 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 Is Ideal for Candidates who are in 3rd Year of Mechanical Engineering Course.
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 Refrence.
Elements of Machine Design Mcq Questions with Answers
1 ) The maximum normal stress theory is used for
A. brittle materials
B. ductile materials
C. plastic materials
D. non-ferrous materials
Correct!
Wrong!
2) The toughness of a material __________ when it is heated.
A. increases
B. decreases
C. does not change
Correct!
Wrong!
3) The value of stress concentration factor depends upon
A. material of the part
B. geometry of the part
C. material and geometry of the part
D. none of these
Correct!
Wrong!
4) Surface endurance limit of gear material is dependent upon its
A. elastic strength
B. yield strength
C. Brinell hardness number
D. toughness
Correct!
Wrong!
5) The resistance to fatigue of a material is measured by
A. elastic limit
B. Young’s modulus
C. ultimate tensile strength
D. endurance limit
Correct!
Wrong!
6) The taper on cotter varies from
A. 1 in l5 to 1 in 10
B. 1 in 24 to 1 in 20
C. 1 in 32 to 1 in 24
D. 1 in 48 to 1 in 24
Correct!
Wrong!
7) The application of third type levers is found in
A. handle of a hand pump
B. hand wheel of a punching press
C. lever of a loaded safety valve
D. a pair of tongs
Correct!
Wrong!
8)In second type of levers,
A. load is in between the fulcrum and effort
B. effort is in between the fulcrum and load
C. fulcrum is in between the load and effort
D. none of these
Correct!
Wrong!
9) The application of second type levers is found in
A. handle of a hand pump
B. hand wheel of a punching press
C. lever of a loaded safety valve
D. a pair of tongs
Correct!
Wrong!
10) When the fulcrum is in between the load and effort, the lever is said to be of
A. first type
B. second type
C. third type
D. any one of these
Correct!
Wrong!
11) The backlash for spur gears depends upon
A. module
B. pitch line velocity
C. tooth profile
D. both (a) and (b)
Correct!
Wrong!
12)The size of a gear is usually specified by
A. pressure angle
B. pitch circle diameter
C. circular pitch
D. diametral pitch
Correct!
Wrong!
13) The sleeve or muff coupling is designed as a
A. dun cylinder
B. thick cylinder
C. solid shaft
D. hollow shaft
Correct!
Wrong!
14) In leaf springs, the longest leaf is known as
A. lower leaf
B. master leaf
C. upper leaf
D. none of these
Correct!
Wrong!
15) Which of the following spring is used in mechanical wrist watch?
A. Helical compression spring
B. Spiral spring
C. Torsion spring
D. Bellevile spring
Correct!
Wrong!
16) Which of the following property is essential for spring materials?
A. Stiffness
B. Ductility
C. Resilience
D. Plasticity
Correct!
Wrong!
17) When spring index increases, the value of Wahl’s stress factor
A. increases linearly
B. decreases linearly
C. remains same
D. increases exponentially
Correct!
Wrong!
18) In gas welding, which of the following is generally used?
a) Oxygen-Hydrogen
b) Oxygen-Acetylene
c) Oxygen-Hydrogen or Oxygen-Acetylene
d) None of the mentioned
Correct!
Wrong!
19) Which type of welding is generally used in the automobile sector?
a) Electric arc welding
b) Electric resistance welding
c) Gas welding
d) Forge welding
Correct!
Wrong!
20) The acme threads are usually found on
A. spindles of bench vices
B. railway carriage couplings
C. feed mechanism of machine tools
D. screw cutting lathes
Correct!
Wrong!
21) The rolling contact bearings are known as
A. thick lubricated bearings
B. plastic bearings
C. thin lubricated bearings
D. antifriction bearings
Correct!
Wrong!
22) What is the capacity of the bearing of heavy series over the medium series ?
A. 10 to 20%
B. 20 to 30%
C. 30 to 40%
D. 40 to 50%
Correct!
Wrong!
23) What does rolling contact bearings as compared to sliding contact bearings have
A. small overall dimensions
B. accuracy of shaft alignment
C. low running & low starting friction except at very high speeds
D. all of the above
Correct!
Wrong!
24) The resilience of a bolt may be increased by
A. increasing its shank diameter
B. increasing its length
C. decreasing its shank diameter
D. decreasing its length
Correct!
Wrong!
25) The maximum shear stress theory is used for
A. brittle materials
B. ductile materials
C. plastic materials
D. non-ferrous materials
Correct!
Wrong!
26) Rankine’s theory is used for
A. brittle materials
B. ductile materials
C. elastic materials
D. plastic materials
Correct!
Wrong!
27) Which one of the following loading is considered for the design of axles?
A. Bending moment only
B. Twisting moment only
C. Combined bending moment and twisting moments
D. Combined action of bending moment, twisting moment and axial thrust
Correct!
Wrong!
28) A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as hollow saddle key.
A. Correct
B. Incorrect
Correct!
Wrong!
29) The radial distance of a tooth from the pitch circle to the top of the tooth is called
A. dedendum
B. addendum
C. clearance
D. working depth
Correct!
Wrong!
30) In designing a key, it is assumed that the distribution of forces along the length of key
A. varies linearly
B. is uniform throughout
C. varies exponentially, being more at the torque-input end
D. varies exponentially, being less at the torque-input end
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