Agree
Disagree
✅ The correct answer is option A.
Machine Design MCQs
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.
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.
Gears are casted by
sand mould casting
slush casting
permanent mould casting
centrifugal casting
✅ The correct answer is option C.
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.
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.
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.
The washer is generally specified by its
outer diameter
hole diameter
thickness
mean diameter
✅ The correct answer is option B.
The objective of caulking in a riveted joint is to make the joint
free from corrosion
stronger in tension
free from stress
leak-proof
✅ The correct answer is option D.