Top 80+ Solved Control System MCQ Questions Answer
Q. is a part of the human temperature control system.
a. Digestive system
b. Perspiration system
c. Ear
d. Leg movement
Q. By which of the following the control action is determined when a man walks along apath ?
a. Brain
b. Hands
c. Legs
d. Eyes
Q. is a closed loop system.
a. Auto-pilot for an aircraft
b. Direct current generator
c. Car starter
d. Electric switch
Q. Which of the following devices are commonly used as error detectors in instruments ?
a. Vernistats
b. Microsyns
c. Resolvers
d. Any of the above
Q. Which of the following should be done to make an unstable system stable ?
a. The gain of the system should be decreased
b. The gain of the system should be increased
c. The number of poles to the loop transfer function should be increased
d. The number of zeros to the loop transfer function should be increased
Q. increases the steady state accuracy.
a. Integrator
b. Differentiator
c. Phase lead compensator
d. Phase lag compensator
Q. A.C. servomotor resembles
a. two phase induction motor
b. Three phase induction motor
c. direct current series motor
d. universal motor
Q. As a result of introduction of negative feedback which of the following will notdecrease ?
a. Band width
b. Overall gain
c. Distortion
d. Instability
Q. Regenerative feedback implies feedback with
a. oscillations
b. step input
c. negative sign
d. positive sign
Q. The output of a feedback control system must be a function of
a. reference and output
b. reference and input
c. input and feedback signal
d. output and feedback signal
Q. is an open loop control system.
a. Ward Leonard control
b. Field controlled D.C. motor
c. Stroboscope
d. Metadyne
Q. A control system with excessive noise, is likely to suffer from
a. saturation in amplifying stages
b. loss of gain
c. vibrations
d. oscillations
Q. Zero initial condition for a system means
a. input reference signal is zero
b. zero stored energy
c. ne initial movement of moving parts
d. system is at rest and no energy is stored in any of its components
Q. Transfer function of a system is used to calculate which of the following ?
a. The order of the system
b. The time constant
c. The output for any given input
d. The steady state gain
Q. The band width, in a feedback amplifier.
a. remains unaffected
b. decreases by the same amount as the gain increase
c. increases by the sane saaaajajt as the gain decrease
d. decreases by the same amount as the gain decrease