41. The washer is generally specified by its
outer diameter
hole diameter
thickness
mean diameter
✅ The correct answer is option B.
Machine Design MCQs
42. The cam follower generally used in automobile engines is
knife edge follower
flat faced follower
spherical faced follower
roller follower
✅ The correct answer is option C.
43. When a nut is tightened by placing a washer below it, the bolt will be subjected to
tensile stress
compressive stress
shear stress
none of these
✅ The correct answer is option A.
44. The pressure angle of a cam is the angle between the direction of the follower motion and a normal to the pitch curve.
Correct
Incorrect
✅ The correct answer is option A.
45. Gears are casted by
sand mould casting
slush casting
permanent mould casting
centrifugal casting
✅ The correct answer is option C.
46. A bolt has
threads for the nut at one end and head at the other end
head at one end and the other end fits into a tapped hole of one of the parts to be fastened
threads at both ends
pointed threads
✅ The correct answer is option A.
47. The cross-section of the arm of a bell crank lever is
rectangular
elliptical
I-section
any one of these
✅ The correct answer is option D.
48. In a sawn nut, a slot is cut about half way through the nut and a small screw is tightened between the nut and the bolt in order to produce more friction.
Agree
Disagree
✅ The correct answer is option A.
49. When the fulcrum is in between the load and effort, the lever is said to be of
first type
second type
third type
any one of these
✅ The correct answer is option A.