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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. |
Q41 ⇒ ____ is a part of the human temperature
control system. Perspiration system [other wrong options] [Discuss in forum] Digestive system Ear Leg movement |
Q42 ⇒ The output of a feedback control system
must be a function of reference and output [other wrong options] [Discuss in forum] reference and input input and feedback signal output and feedback signal |
Q43 ⇒ Which of the following statements is
correct for any closed loop system ? Only one of the static error co-efficients has a finite non-zero value [other wrong options] [Discuss in forum] All the co-efficients can have zero
value All the co-efficients are always nonzero None of the above |
Q44 ⇒ The capacitance, in force-current analogy,
is analogous to mass [other wrong options] [Discuss in forum] momentum velocity displacement |
Q45 ⇒ ____ signal will become zero when the
feedback signal and reference signs are
equal. Actuating [other wrong options] [Discuss in forum] Input Feedback Reference |
Q46 ⇒ In a system low friction co-efficient
facilitates reduced velocity lag error [other wrong options] [Discuss in forum] increased velocity lag error increased speed of response reduced time constant of the system |
Q47 ⇒ The type 2 system has ____ at the origin. two poles [other wrong options] [Discuss in forum] no net pole net pole simple pole |
Q48 ⇒ In order to increase the clamping of a
badly underdampecl system which of
following compensators may be used ? Phase-lead [other wrong options] [Discuss in forum] Phase-lag Both (a) and (b) Either (a) and (b) None of the above |
Q49 ⇒ The effect of error damping is to reduce steady state error [other wrong options] [Discuss in forum] provide larger settling lime delay the response any of the above none of the above |
Q50 ⇒ In a control system integral error compensation ____
steady state error minimizes [other wrong options] [Discuss in forum] increases does not have any effect on any of the above |
Q51 ⇒ Which of the following is the output of
a thermocouple ? D.C. voltage [other wrong options] [Discuss in forum] Alternating current Direct current A.C. voltage None of the above |
Q52 ⇒ The lead compensator in a feedback
system all of the above [other wrong options] [Discuss in forum] increases the system error constant
to some extent speeds up the transient response increases the margin of stability |
Q53 ⇒ Type 1 system under parabolic input
will have which of the following ? Actuating eignal which will increase with time [other wrong options] [Discuss in forum] Parabolic output Actuating signal which will decrease with time Any of the above None of the above |
Q54 ⇒ A servomechanism is a feedback control
system required to control either (b) or (c) [other wrong options] [Discuss in forum] servoamplifiers and drives position some derivative of position |
Q55 ⇒ Which of the following devices is used to
indicate angular position of an aircraft ? Rotatory differential transformer [other wrong options] [Discuss in forum] Rotating transformer Rotating capacitor Any of the above None of the above |
Q56 ⇒ Regenerative feedback means the output
is feedback with positive sign [other wrong options] [Discuss in forum] regenerator oscillation negative sign |
Q57 ⇒ The maximum overshoot of a second
order system can be increased by decreasing damping frequency [other wrong options] [Discuss in forum] increasing natural frequency increasing damping factor any of the above |
Q58 ⇒ The root locus plot is symmetrical about
the real axis because complex roots occur is conjugate pairs [other wrong options] [Discuss in forum] all roots occur in pairs roots occur simultaneously in left hand and right hand plane all of the above |
Q59 ⇒ Which of the following forces resists
motion ? All of the above [other wrong options] [Discuss in forum] Spring force Damping force Inertia force |
Q60 ⇒ If the bandwidth of a system is increased
the response will become facter [other wrong options] [Discuss in forum] become slower remain unaffected |
Or |