Q.1.
If the poles lie in second quadrant, damping ratio is
Q.2.
Magnetic amplifier is used for
Q.3.
Nichols chart consists of
Q.4.
In force current analogue, mechanical mobility is analogous to
Q.5.
The sensor generally used in incremental optical encoder is
Q.6.
The poles with greater displacement from the real axis correspond to
Q.7.
In a two phasor servomotor, the direction of rotation of the rotating field depends on
Q.8.
A system is highly oscillatory if
Q.9.
M circles are symmetrical with respect to
Q.10.
In control systems the output of sensor usually, is
Q.11.
Which of the following can be used as a rotating amplifier in a control system?AmplidyneSeparately excited dc generatorSynchroSelf excited dc generator
Q.12.
The effect of adding poles and zeros can be determined quickly by
Q.13.
For type 1 system the velocity lag error is
Q.14.
Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot.
Q.15.
In the field controlled motor the entire damping comes from
Q.16.
Integral control action
Q.17.
Nichol’s chart is symmetric about –axis.
Q.18.
Robotic manipulator arms mostly use
Q.19.
Transport lag usually exists in
Q.20.
The relative stability of a system is given by