Measurements and Instrumentation - Engineering

Q1:

Assertion (A): The speed of a shaft can be measured by using a dc tacho generator. Reason (R): A two phase servometer can also be used as a speed transducer.

A Both A and R are true and R is correct explanation of A

B Both A and R are true but R is not correct explanation of A

C A is true R is false

D A is false R is true

ANS:B - Both A and R are true but R is not correct explanation of A

Speed of rotating shaft can also be measured by stroboscope.