341. 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.
Machine Design MCQs
342. Gears are casted by
sand mould casting
slush casting
permanent mould casting
centrifugal casting
✅ The correct answer is option C.
343. 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.
344. 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.
345. A connecting rod subjected to an axial load may buckle in the plane of motion of the connecting rod.
Correct
Incorrect
✅ The correct answer is option A.
346. The V-belt is used to transmit great amount of power and when the two pulleys are very near to each other.
Correct
Incorrect
✅ The correct answer is option A.
347. 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.
348. 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.
350. The bending moment M and a torque T is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then M is equal to
T/2
T
2 T
4 T
✅ The correct answer is option A.