Question:-
In the assembly design of shaft, pulley and key, the weakest member is:
Option (A)
Pulley
Option (B)
Key
Option(C)
Shaft
Option(D)
None
Correct Option:
(B)
Question Solution:
Key should be weakest member as it should fail first to give notice that torque has exceeded hence to save the shaft and mechanical elements mounted on it.
question-answer-faq-5143