Directions: Each of the following items consists of two statements, one labelled as the ‘Assertion(A)’ and the other as ‘Reason (R)’. You are to examine these two statements carefully and select the answer to these items using the codes given below:
a. Both A and R are individually true and R is the correct explanation of A
b. Both A and R are individually true but R is not the correct explanation of A
c. A is true but R is false
Assertion (A): Before starting a centrifugal pump it is to be properly primed.
Reason (R): Priming provides lubrication to the propeller shaft.