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# Control System 2 MCQs | Page - 1

Dear candidates you will find MCQ questions of Control System 2 here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Mr. Dubey • 51.17K Points
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## `Q. 1) A control system working under unknown random action is called`

(A) computer control system
(B) digital data system
(C) stochastic control system

M

Mr. Dubey • 51.17K Points
Coach

## `Q. 2) The first order control system, which is is well designed, has a`

(A) small bandwidth
(B) negative time constant
(C) large negative transfer function pole
(D) none of the above

M

Mr. Dubey • 51.17K Points
Coach

## `Q. 3) Zero-order hold used in practical reconstruction of continuous-time signals is mathematically represented as a weighted-sum of rectangular pulses shifted by:`

(A) any multiples of the sampling interval
(B) integer multiples of the sampling interval
(C) one sampling interval
(D) 1 second intervals

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Mr. Dubey • 51.17K Points
Coach

## `Q. 4) Sampling can be done by:`

(A) impulse train sampling
(B) natural sampling
(C) flat-top sampling
(D) all of the mentioned

M

Mr. Dubey • 51.17K Points
Coach

## `Q. 5) The first step required to convert analog signal to digital is :`

(A) sampling
(B) holding
(C) reconstruction
(D) quantization

M

Mr. Dubey • 51.17K Points
Coach

## `Q. 6) Sampling is necessary :`

(A) in complex control systems
(B) where high accuracy is required
(C) non automated control systems
(D) automated control system

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Mr. Dubey • 51.17K Points
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## `Q. 7) _______________ is a sampling pattern which is repeated periodically`

(A) single order sampling
(B) multi order sampling
(C) zero order sampling
(D) unordered sampling

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Mr. Dubey • 51.17K Points
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## `Q. 8) Aliasing is caused when:`

(A) sampling frequency must be equal to the message signal
(B) sampling frequency must be greater to the message signal
(C) sampling frequency must be less to the message signal
(D) sampling frequency must be greater than or equal to the message signal

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Mr. Dubey • 51.17K Points
Coach

## `Q. 9) The signal is reconstructed back with the help of`

(A) zero order hold circuits
(B) extrapolations
(C) signal is reconstructed with zero order holds and extrapolations
(D) signal is not reconstructed

M

Mr. Dubey • 51.17K Points
Coach

## `Q. 10) A control system working under unknown random actions is called ---`

(A) computer control system
(B) digital data system
(C) stochastic control system