A. smaller damg ratio
B. larger damg ratio
C. constant damg ratio
D. none of the above
An increase in gain, in most systems, leads to_____________? Read More »
Control Systems A. reduced velocity lag error
B. increased velocity lag error
C. increased speed of response
D. reduced time constant of the system
In a system low friction co-efficient facilitates___________? Read More »
Control Systems 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
Which of the following can be measured by the use of a tachogenerator ? Read More »
Control Systems 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
Which of the following is the definition of proportional band of a controller ? Read More »
Control Systems A. Microsyn
B. Selsyn
C. Synchro-resolver
D. Synchro-transformer
Which of the following devices is used for conversion of co-ordinates ? Read More »
Control Systems 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 phase lag lead network introduces in the output_______________? Read More »
Control Systems 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 damg
B. reduces the gain margin
C. increases input noise
D. increases error
A differentiator is usually not a part of a control system because it______________? Read More »
Control Systems