A. None of the above
B. Constant current as well as constant voltage
C. Constant voltage
D. Constant current
A. Electric switch
B. Direct current generator
D. Car starter
B. Distortion
C. Overall gain
D. Instability
A. Bode-Nyquist stability methods
B. Root locus design
C. Transfer functions
A. Linear systems
B. Linear and time-variant systems
C. Non-linear systems
E. None of the above
A. Manipulated variable
B. Primary feedback
C. Zero sequence
A. always unstable
C. unstable
D. stable
E. any of the above
A. Generally free from problems of non-linearities
B. Input command is the sole factor responsible for providing the control action
C. Less expensive
A. no pole
B. two poles
D. net pole
A. single phase induction motor
C. universal motor
D. three phase induction motor
A. Brain
C. Legs
D. Hands
A. none of the above
B. liquid flow
C. liquid flow rate
A. working normally with zero reference input
B. working normally with reference input
D. at rest without any energy stored in it
A. Lead-lag compensation
C. Lead-compensation
D. None of the above
B. reciprocal of temperature
C. reciprocal of heat flow
D. heat flow
A. The bandwidth of the system
B. The frequency response of a system
E. The response of a system to a step input
A. Poor stability at reduced values of open loop gain
B. Underdamping
C. Overdamping
A. zero stored energy
C. input reference signal is zero
D. ne initial movement of moving parts
B. signal
C. feedback
D. gain control
A. negative sign
B. step input
D. oscillations
B. electric signal to pressure signal
C. position change to pressure signal
D. pressure signal to electric signal
B. Phase-lag
C. Both A. and B.
D. Either A. and B.
A. Servomotor
B. Electropneumatic converter
D. Control valve
A. Phase-plane representation
C. Quasi linearization
D. Functional analysis
A. loss of gain
C. vibrations
B. reference and input
C. output and feedback signal
D. input and feedback signal
B. Only system parameters have effect on the control output
C. Output is dependent on control input
B. system stability and gain
C. system stability
A. Feedback
B. Input
D. Reference
A. adaptive control system
B. computer control system
D. digital data system
A. any of the above
B. does not have any effect on
D. increases
A. Final control element
C. Error detector
D. Sensor
B. Vernistats
C. Resolvers
D. Microsyns
A. is independent of frequency
B. decreases linearly with frequency
D. is inversehproportional to frequency
A. larger damping ratio
C. constant damping ratio
D. none of the above
A. The order of the system
C. The steady state gain
D. The time constant
B. Forward gain
C. Loop gain
D. Frequency
A. zero, zero
C. constant, infinity
D. constant, constant
B. The range of measured variables from set value
C. None of the above
D. Any of the above
E. The range of air output as measured variable varies from maximum to minimum
A. Speed and acceleration
D. Displacement
E. Acceleration
A. be unaffected
C. increase
D. any of the above
B. Semiclosed loop system
C. Open system
A. Errors are caused by disturbances
C. Construction is simple and maintenance easy
D. Less expensive
B. amplifier
D. sensor
E. comparator
A. Either B. or C.
C. Fourier Integral
D. Laplace Transform
B. lag at all frequencies
D. lag at high frequencies and lead at low frequencies
A. velocity
B. pressure
D. air flow
B. Ward Leonard control
C. Stroboscope
D. Metadyne
A. reduces damping
C. reduces the gain margin
D. increases error
Showing 51 to 100 of 102 mcqs
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