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Automatic Control Systems

Automatic Control Systems
The relative stability of a system is given by

Either (a) or (b)
Gain margin alone
Both phase and gain margins
Phase margin alone

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Automatic Control Systems
Robotic manipulator arms mostly use

Hydraulic actuator
Pneumatic actuator
None of these
Electric motor actuator

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Automatic Control Systems
Which of the following can be used as a rotating amplifier in a control system? 1. Amplidyne 2. Separately excited dc generator 3. Synchro 4. Self excited dc generator

1 and 2
3 and 4
1, 2 and 3
All

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Automatic Control Systems
Bandwidth is proportional to speed of response.

False
True

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Automatic Control Systems
M circles are symmetrical with respect to

M = 1 straight line and imaginary axis
M = 1 straight line and real axis
M = 1 straight line
Real and imaginary axis

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Automatic Control Systems
DC tachogenerator can be used in

Speed control system
Neither A nor B
Both A and B
Position control system

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