Electrical Control Systems — Part 2 MCQs with Explanations

The time constant and suppress the oscillations is the correct answer to “The second derivative input signals modify which of the following”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Low-level oscillations is the correct answer to “In a stable control system backlash can cause which of the following”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Linear and time-in variant systems is the correct answer to “The transfer function is applicable to which of the following”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Relative stability is the correct answer to “Phase margin of a system is used to specify which of the following”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Conditional stability is the correct answer to “In a stable control system saturation can cause which of the following”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Differential bellows and straingauge is the correct answer to “Pressure error can be measured by which of the following”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Actuating signal is the correct answer to “Is the reference input minus the primary feedback.”. This question is standard in competitive examination syllabi for Electrical Control Systems.

All of the above is the correct answer to “The transfer function technique is considered as inadequate under which of the following conditions”. This question is standard in competitive examination syllabi for Electrical Control Systems.

saturation in amplifying stages is the correct answer to “A control system with excessive noise, is likely to suffer from”. This question is standard in competitive examination syllabi for Electrical Control Systems.

the control action is independent of the output is the correct answer to “In open loop system”. This question is standard in competitive examination syllabi for Electrical Control Systems.

ramp is the correct answer to “Velocity error constant of a system is measured when the input to the system is unit _______ function.”. This question is standard in competitive examination syllabi for Electrical Control Systems.

decays quickly is the correct answer to “The transient response, with feedback system,”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Transient response is the correct answer to “The initial response when tne output is not equal to input is called”. This question is standard in competitive examination syllabi for Electrical Control Systems.

reciprocal of capacitance is the correct answer to “Spring constant in force-voltage analogy is analogous to”. This question is standard in competitive examination syllabi for Electrical Control Systems.

open is the correct answer to “An automatic toaster is a ______ loop control system.”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Field controlled D.C. motor is the correct answer to “Is an open loop control system.”. This question is standard in competitive examination syllabi for Electrical Control Systems.

two phase induction motor is the correct answer to “A.C. servomotor is basically a”. This question is standard in competitive examination syllabi for Electrical Control Systems.

positive sign is the correct answer to “Regenerative feedback implies feedback with”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Unit impulse input signal is the correct answer to “By which of the following the system response can be tested better”. This question is standard in competitive examination syllabi for Electrical Control Systems.

system is at rest and no energy is stored in any of its components is the correct answer to “Zero initial condition for a system means”. This question is standard in competitive examination syllabi for Electrical Control Systems.

decrease is the correct answer to “In closed loop control system, with positive value of feedback gain the overall gain of the system will”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Potentiometer is the correct answer to “Is not a final control element.”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Actuating is the correct answer to “Signal will become zero when the feedback signal and reference signs are equal.”. This question is standard in competitive examination syllabi for Electrical Control Systems.

The range of measured variables through which the air output changes from maximum to minimum is the correct answer to “Which of the following is the definition of proportional band of a controller”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Closed loop system is the correct answer to “has tendency to oscillate.”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Constant current, constant voltage and constant power is the correct answer to “An amplidyne can give which of the following characteristics”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Final control element is the correct answer to “In a control system the output of the controller is given to”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Nyquist Criterion is the correct answer to “technique is not applicable to nonlinear system”. This question is standard in competitive examination syllabi for Electrical Control Systems.

lag at low frequencies and lead at high frequencies is the correct answer to “A phase lag lead network introduces in the output”. This question is standard in competitive examination syllabi for Electrical Control Systems.

mass is the correct answer to “The capacitance, in force-current analogy, is analogous to”. This question is standard in competitive examination syllabi for Electrical Control Systems.

resistance is the correct answer to “The viscous friction co-efficient, in force-voltage analogy, is analogous to”. This question is standard in competitive examination syllabi for Electrical Control Systems.

inductance is the correct answer to “Mass, in force-voltage analogy, is analogous to”. This question is standard in competitive examination syllabi for Electrical Control Systems.

increases input noise is the correct answer to “A differentiator is usually not a part of a control system because it”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Stochastic control system is the correct answer to “A control system working under unknown random actions is called”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Signal flow graph is the correct answer to “From which of the following transfer function can be obtained”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Synchro-resolver is the correct answer to “Which of the following devices is used for conversion of co-ordinates”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Field controlled D.C. motor is the correct answer to “Which of the following is an open loop control system”. This question is standard in competitive examination syllabi for Electrical Control Systems.

The poles of the transfer function for a set of parameter values is the correct answer to “Which of the following is exhibited by Root locus diagrams”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Any of the above is the correct answer to “Which of the following devices are commonly used as error detectors in instruments”. This question is standard in competitive examination syllabi for Electrical Control Systems.

Presence of non-linearities causes malfunctioning is the correct answer to “Which of the following statements is not necessarily correct for open control system”. This question is standard in competitive examination syllabi for Electrical Control Systems.