Title  

A control system working under unknown random action is calledA control system working under unknown random action is called
The answer is:
C. stochastic control system


The first order control system, which is is well designed, has aThe first order control system, which is is well designed, has a
The answer is:
C. large negative transfer function pole


Zeroorder hold used in practical reconstruction of continuoustime signals is mathematically represented as a weightedsum of rectangular pulsesshifted by:Zeroorder hold used in practical reconstruction of continuoustime signals is mathematically represented as a weightedsum of rectangular pulsesshifted by:
The answer is:
B. integer multiples of the sampling interval


Sampling can be done by:Sampling can be done by:
The answer is:
D. all of the mentioned


The first step required to convert analog signal to digital is :The first step required to convert analog signal to digital is :
The answer is:
A. sampling


Sampling is necessary :Sampling is necessary :
The answer is:
B. where high accuracy is required


_______________ is a sampling pattern which is repeated periodically_______________ is a sampling pattern which is repeated periodically
The answer is:
B. multi order sampling


Aliasing is caused when:Aliasing is caused when:
The answer is:
C. sampling frequency must be less to the message signal


The signal is reconstructed back with the help ofThe signal is reconstructed back with the help of
The answer is:
C. signal is reconstructed with zero order holds and extrapolations


A control system working under unknown random actions is called A control system working under unknown random actions is called 
The answer is:
D. stochastic control system


Zero initial condition for a system meansZero initial condition for a system means
The answer is:
D. system is at rest and no energy is stored in any of its components


The first order control system ,which is well designed has aThe first order control system ,which is well designed has a
The answer is:
C. large negative transfer function pole


A zero order hold is used with sampled data system toA zero order hold is used with sampled data system to
The answer is:
B. reconstruct the sampled signal


A controller is basically a A controller is basically a 
The answer is:
B. comparator


Z and Laplace transform are related by:Z and Laplace transform are related by:
The answer is:
B. s =ln z/t


What is the ztransform of the signal x[n] = anu(n)?What is the ztransform of the signal x[n] = anu(n)?
The answer is:
C. x(z) = z/za


Which one of the following rules determine the mapping of splane to zplane?Which one of the following rules determine the mapping of splane to zplane?
The answer is:
D. all of the mentioned


Assertion (A): The ztransform of the output of the sampler is given by the series.Reason (R): The relationship is the result of the application of z = esT, where T stands for the time gap between the samplesAssertion (A): The ztransform of the output of the sampler is given by the series.Reason (R): The relationship is the result of the application of z = esT, where T stands for the time gap between the samples.
The answer is:
C. a is true but r is false


Inverse ztransform of the system can be calculated using:Inverse ztransform of the system can be calculated using:
The answer is:
D. all of the mentioned


If the z transform of x(n) is X(z) =z(8z7)/4z27z+3, then the final value theorem is :If the z transform of x(n) is X(z) =z(8z7)/4z27z+3, then the final value theorem is :
The answer is:
A. 1

MCQs
Views
Best Answers
Points