A control system working under unknown random actions is called __________

A)
Digital data system
B)
Adaptive control system
C)
Stochastic control system
D)
Computer control system

Correct Answer : Option (C) :   Stochastic control system

Explanation : A control system is a system which is having feedback and can be both positive and negative and working under unknown random actions is called stochastic control system.

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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