Question

High torque/inertia ratio means:

(a) Stalled torque

(b) Stalled inertia

(c) Stalled toque/inertia ratio

(d) Lower motor time constant

I had been asked this question during an online interview.

The above asked question is from Controller Components topic in portion Control System and Components of Control Systems

Answer 1

The correct answer is (d) Lower motor time constant

Easiest explanation: High torque/inertia ratio means the ration of torque to the inertia should be high as for higher torque the inertia must be very low and this indicates lower time constant as it leads to dynamic response.