Top 80+ Solved Control System Engineering (CSE) MCQ Questions Answer
Q. What is the algebraic sum of the reference input and feedback?
a. error signal
b. error detector
c. controlled system
d. controlled output
Q. The principle of homogeneity and superposition are applied to:
a. linear time invariant systems
b. nonlinear time invariant systems
c. linear time variant systems
d. nonlinear time invariant systems
Q. In continuous data systems:
a. data may be continuous function of time at all points in the system
b. data is necessarily a continuous function of time at all points in the system
c. data is continuous at the inputs and output parts of the system but not necessarily during intermediate processing of the data
d. only the reference signal is continuous function of time
Q. A linear system at rest is subject to an input signal r(t)=1-e-t. The response of the system for t>0 is given by c(t)=1-e-2t. The transfer function of the system is:
a. (s+2)/(s+1)
b. (s+1)/(s+2)
c. 2(s+1)/(s+2)
d. (s+1)/2(s+2)
Q. When deriving the transfer function of a linear element
a. both initial conditions and loading are taken into account
b. initial conditions are taken into account but the element is assumed to be not loaded
c. initial conditions are assumed to be zero but loading is taken into account
d. initial conditions are assumed to be zero and the element is assumed to be not loaded
Q. If the initial conditions for a system are inherently zero, what does it physically mean?
a. the system is at rest but stores energy
b. the system is working but does not store energy
c. the system is at rest or no energy is stored in any of its part
d. the system is working with zero reference input
Q. Addition of zero at origin:
a. improvement in transient response
b. reduction in steady state error
c. reduction is settling time
d. increase in damping constant
Q. Derivative output compensation:
a. improvement in transient response
b. reduction in steady state error
c. reduction is settling time
d. increase in damping constant
Q. Derivative error compensation:
a. improvement in transient response
b. reduction in steady state error
c. reduction is settling time
d. increase in damping constant
Q. Lag compensation leads to:
a. increases bandwidth
b. attenuation
c. increases damping factor
d. second order
Q. Lead compensation leads to:
a. increases bandwidth
b. attenuation
c. increases damping factor
d. second order
Q. Lag-lead compensation is a:
a. increases bandwidth
b. attenuation
c. increases damping factor
d. second order
Q. Rate compensation :
a. increases bandwidth
b. attenuation
c. increases damping factor
d. second order
Q. In polar plots, what does each and every point represent w.r.t magnitude and angle?
a. scalar
b. vector
c. phasor
d. differentiator