MCQ Questions Mechanical Engineering Machine Design
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MCQ Questions Mechanical Engineering Machine Design - Set - 3
Question 1:
A tap bolt
(a) has a head on one end and a nut fitted to the other
(b) has head at one end and other end fits into a tapped hole in the other part o be joined
(c) has both the ends threaded
(d) has pointed threads
Correct Answer – (B)
Question 2 :
A stud
(a) has a head on one end and a nut fitted to the other
(b) has head at one end and other end fits into a tapped hole in the other part to be joined
(c) has both the ends threaded
(d) has pointed threads
Correct Answer – (C)
Question 3 :
Maximum principal stress theory is applicable for
(a) ductile materials
(b) brittle materials
(c) elastic materials
(d) all of the above
Correct Answer – (B)
Question 4 :
A bolt
(a) has a head on one end and a nut fitted to the other
(b) has head at one end and other end fits into a tapped hole in the other part to be joined
(c) has both the ends threaded
(d) is provided with pointed threads
Correct Answer – (A)
Question 5 :
The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of
(a) 0.25
(b) 0.45
(r) 0.55
(d) 0.75
Correct Answer – (D)
MCQ Questions Mechanical Engineering Machine Design
Question 6:
Shear stress theory is applicable for
(a) ductile materials
(b) brittle materials
(c) elastic materials
(d) all of the above
Correct Answer – (A)
Question 7:
The following type of nut is used with alien bolt
(a) alien nut
(b) hexagonal nut
(c) slotted nut
(d) All the above are correct.
Correct Answer – (D)
Question 8:
The crest diameter of a screw thread is same as
(a) major diameter
(b) minor diameter
(c) pitch diameter
(d) core diameter
Correct Answer – (A)
Question 9:
At low temperatures (say 75°C) the notched-bar impact value of steel
(a) increases markedly
(b) decreases markedly
(c) remains same
(d) depends on heat treatment carried out
Correct Answer – (B)
Question 10:
For steel, the ultimate strength in shear as compared to ultimate strength in tension is
(a) same
(b) 1/2
(c) 1/3
(d) 2/3
Correct Answer – (D)
- NCERT Solutions Class 11 Physics Chapter 1 : Physical world
- NCERT Solutions Class 11 Physics Chapter 2 : Units And Measurements
- NCERT Solutions Class 11 Physics Chapter 3 : Motion In A Straight Line
- NCERT Solutions Class 11 Physics Chapter 4 : Motion In A Plane
- NCERT Solutions Class 11 Physics Chapter 5 : Laws of Motion
- NCERT Solutions Class 11 Physics Chapter 6 : Work Energy Power
- NCERT Solutions Class 11 Physics Chapter 7 : Rotational-Motion
- NCERT Solutions Class 11 Physics Chapter 8 : Gravitation
- NCERT Solutions Class 11 Physics Chapter 9 : Mechanical Properties of Solids
- NCERT Solutions Class 11 Physics Chapter 10 : Mechanical Properties of Fluids
- NCERT Solutions Class 11 Physics Chapter 11 : Thermal Properties of Matter
- NCERT Solutions Class 11 Physics Chapter 12 : Thermodynamics
- NCERT Solutions Class 11 Physics Chapter 13 : Kinetic Theory
- NCERT Solutions Class 11 Physics Chapter 14 : Oscillations
- NCERT Solutions Class 11 Physics Chapter 15 : Waves
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