Control Systems

A. smaller damping ratio
B. larger damping ratio
C. constant damping ratio
D. none of the above

A. reduced velocity lag error
B. increased velocity lag error
C. increased speed of response
D. reduced time constant of the system

A. Phase-lead
B. Phase-lag
C. Both A. and B.
D. Either A. and B.
F. None of the above

A. Acceleration
B. Speed
C. Speed and acceleration
D. Displacement
F. None of the above

A. The range of air output as measured variable varies from maximum to minimum
B. The range of measured variables from set value
C. The range of measured variables through which the air output changes from maximum to minimum
D. Any of the above
F. None of the above

A. Microsyn
B. Selsyn
C. Synchro-resolver
D. Synchro-transformer

A. lag at all frequencies
B. lag at high frequencies and lead at low frequencies
C. lag at low frequencies and lead at high frequencies
D. none of the above

A. at rest without any energy stored in it
B. working normally with reference input
C. working normally with zero reference input
D. at rest but stores energy

A. at rest without any energy stored in it
B. working normally with reference input
C. working normally with zero reference input
D. at rest but stores energy

A. reduces damping
B. reduces the gain margin
C. increases input noise
D. increases error