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Control systems
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q81 ⇒ The temperature, under thermal and
electrical system analogy, is considered
analogous to voltage [other wrong options] [Discuss in forum] current capacitance charge none of the above |
Q82 ⇒ A signal other than the reference input
that tends to affect the value of controlled
variable is known as ____ disturbance [other wrong options] [Discuss in forum] command control element reference input |
Q83 ⇒ Hydraulic torque transmission system
is analog of motor-generator set [other wrong options] [Discuss in forum] amplidyne set resistance-capacitance parallel circuit any of the above |
Q84 ⇒ The position and velocity errors of a
type-2 system are zero, zero [other wrong options] [Discuss in forum] constant, constant constant, infinity zero, constant |
Q85 ⇒ The phase lag produced by transportation relays increases linearly with frequency [other wrong options] [Discuss in forum] is independent of frequency is inversely proportional to frequency decreases linearly with frequency |
Q86 ⇒ ____ technique gives quick transient
and stability response Root locus [other wrong options] [Discuss in forum] Bode Nyquist Nichols |
Q87 ⇒ With feed back ____ reduces. system gain [other wrong options] [Discuss in forum] system stability system stability and gain none of the above |
Q88 ⇒ A.C. servomotor is basically a ____ two phase induction motor [other wrong options] [Discuss in forum] universal motor single phase induction 'actor three phase induction motor |
Q89 ⇒ Bandwidth is used as a means of specifying
performance of a control system
related to the speed of response [other wrong options] [Discuss in forum] the constant gain relative stability of the system all of the above |
Q90 ⇒ A servomechanism with unit step input
can be categorised as ____ system type 1 [other wrong options] [Discuss in forum] type 0 type 2 type 3 none of the above |
Q91 ⇒ Which of the following is an essential
feature of servomechanism ? All of the above [other wrong options] [Discuss in forum] A closed loop system A power amplifying stage Ability to control position, velocity or acceleration of the system |
Q92 ⇒ The operational amplifier is used for
which of the following ? All common mathematical operations [other wrong options] [Discuss in forum] Integration only Addition only Amplification only |
Q93 ⇒ In hydraulic system power is transmitted
by fluid under pressure [other wrong options] [Discuss in forum] gears belts pistons none of the aoove |
Q94 ⇒ Through which of the following the frequency
domain analysis can be related
to time doniain analysis ? Both (a) and (b) [other wrong options] [Discuss in forum] Laplace transformation Fourier transformation None of the above |
Q95 ⇒ The break away points of the root locus
occur at multiple roots of characteristic equation [other wrong options] [Discuss in forum] imaginary axis real axis none of the above |
Q96 ⇒ A unit step function on integration
results in a unit ramp function [other wrong options] [Discuss in forum] unit step function unit doublet unit parabolic function |
Q97 ⇒ In a control application the choice of
error detector depends on all of the above [other wrong options] [Discuss in forum] the accuracy desired the type of control system the nature of controlled variable |
Q98 ⇒ The system response can be tested better
with unit impulse input signal [other wrong options] [Discuss in forum] exponentially decaying signal sinusoidal input signal ramp input signal |
Q99 ⇒ The type 2 system has which of the
following ? Zero position error as well as velocity error [other wrong options] [Discuss in forum] Zero position error and constant
velocity error Constant position error and zero velocity error Constant position error as well as velocity error |
Q100 ⇒ For servomechanisms which of the following
statements is incorrect ? some servo need not be stable since they are intended for ase with steady signals [other wrong options] [Discuss in forum] a motor may be added to convert a
regulator into a servo steady-state accuracy of a servo is better than that of a regulator a servo with better frequency response need not be stable |
Or |