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.Management Sciences
Category: Control Systems
In order to increase the damping of a badly underdamped system which of following compensators may be used ?
A. Phase-lead
B. Phase-lag
C. Both A. and B.
D. Either A. and B.
F. None of the above
Spring constant in force-voltage analogy is analogous to_____________?
A. capacitance
B. reciprocal of capacitance
C. current
D. resistance
The transfer function is applicable to which of the following ?
A. Linear and time-in variant systems
B. Linear and time-variant systems
C. Linear systems
D. Non-linear systems
F. None of the above
In an open loop control system____________?
A. Output is independent of control input
B. Output is dependent on control input
C. Only system parameters have effect on the control output
D. None of the above
Pressure error can be measured by which of the following ?
A. Differential bellows and straingauge
B. Selsyn
C. Strain gauge
D. Strain gauge and potentiometer
By which of the following the control action is determined when a man walks along a path ?
A. Brain
B. Hands
C. Legs
D. Eyes
A good control system has all the following features except_____________?
A. good stability
B. slow response
C. good accuracy
D. sufficient power handling capacity
________________directly converts temperature into voltage?
A. Thermocouple
B. Potentiometer
C. Gear train
D. LVDT
F. None of the above
______________By which of the following the system response can be tested better ?
A. Ramp input signal
B. Sinusoidal input signal
C. Unit impulse input signal
D. Exponentially decaying signal
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