" A tachometer is used as an inner loop in a position control servo-sy – McqOptions

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1.	" A tachometer is used as an inner loop in a position control servo-system. What is the effect of feedback on the gain of the sub-loop incorporating tachometer and in the effective time constant of the system?"
A.	" Both are reduced"
B.	" Gain is reduced but the time constant is increased"
C.	" Gain is increased but the time constant is reduced"
D.	" Both are increased"
Answer» B. " Gain is reduced but the time constant is increased"

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