Which of the motions in actuators are preferred?

A)
Stationary
B)
Rotary
C)
Translator
D)
Non-Stationary

Correct Answer : Option (B) :   Rotary

Explanation : An actuator in a control system perform variety of task in hydraulic, pneumatic and electrical system but majorly they are all controlling rotary motions.

Recently Updated in Automatic Control Systems Questions
For a quadratic factor in denominator of transfer function the phase angle at corner frequency (in Bode phase angle plot)
A)
is +90°
B)
is -90°
C)
depends on the damping factor
D)
None of the above

Correct Answer :   is -90°

The response to sinusoidal excitation can be found by
A)
setting s = jω in the network function
B)
setting s = -jω in the network function
C)
taking inverse transform of network function
D)
None of the above

Correct Answer :   setting s = jω in the network function

The resolution of a wire wound potentiometer is about
A)
5%
B)
1%
C)
0.1%
D)
0.001%

Correct Answer :   0.1%

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