Question:-
Consider the following statements
Assertion (A): It is desirable to increase the length of arc over which the oil film has to be maintained in a journal bearing
Reason (R): The oil pressure becomes negative in the divergent part and he partial vacuum created will cause air to leak in from the ends of bearing
Option (A)
Both A and R are individually true and R is the correct explanation of A
Option (B)
Both A and R are individually true but R is not the correct explanation A
Option(C)
A is true but R is false
Option(D)
A is false but R is true
Correct Option:
(A)
Question Solution:
Side leak (axial) in nature and is constantly leaking through the end of bearing as the journal speeds up.
question-answer-faq-3234