[amp_mcq option1=”At rest without any energy stored in it” option2=”Working normally with reference input” option3=”Working normally with zero reference input” option4=”At rest but stores energy” correct=”option1″]
Electrical control systems
2. The on-off controller is a _____ system.
[amp_mcq option1=”digital” option2=”linear” option3=”non-linear” option4=”discontinuous” correct=”option4″]
3. In a stable control system backlash can cause which of the following ?
[amp_mcq option1=”Underdamping” option2=”Overdamping” option3=”Poor stability at reduced values of open loop gain” option4=”Low-level oscillations” correct=”option3″]
Detailed SolutionIn a stable control system backlash can cause which of the following ?
4. Signal will become zero when the feedback signal and reference signs are equal.
[amp_mcq option1=”Input” option2=”Actuating” option3=”Feedback” option4=”Reference” correct=”option3″]
Detailed SolutionSignal will become zero when the feedback signal and reference signs are equal.
5. The type-2 system has ________ at the origin.
[amp_mcq option1=”No net pole” option2=”Net pole” option3=”Simple pole” option4=”Two poles” correct=”option1″]
Detailed SolutionThe type-2 system has ________ at the origin.
6. Which of the following is the best method for determining the stability and transient response ?
[amp_mcq option1=”Root locus” option2=”Bode plot” option3=”Nyquist plot” option4=”None of the above” correct=”option1″]
7. By which of the following the control action is determined when a man walks along a path?
[amp_mcq option1=”Brain” option2=”Hands” option3=”Legs” option4=”Eyes” correct=”option1″]
8. A car is running at a constant speed of 50 km/h, which of the following is the feedback element for the driver ?
[amp_mcq option1=”Clutch” option2=”Eyes” option3=”Needle of the speedometer” option4=”Steering wheel E. None of the above” correct=”option3″]
9. The temperature, under thermal and electrical system analogy, is considered analogous to
[amp_mcq option1=”voltage” option2=”current” option3=”capacitance” option4=”charge E. none of the above” correct=”option1″]
10. . . . . . . . . can be extended to systems which are time-varying?
[amp_mcq option1=”Bode-Nyquist stability methods” option2=”Transfer functions” option3=”Root locus design” option4=”State model representatives” correct=”option4″]
Detailed Solution. . . . . . . . can be extended to systems which are time-varying?