Q.1
The temperature, under thermal and electrical system analogy, is considered analogous to
Q.2
Directly converts temperature into voltage.
Q.3
Which of the following statements is correct for a system with gain margin close to unity or a phase margin close to zero ?
Q.4
In thermal-electrical analogy charge is considered analogous to
Q.5
An increase in gain, in most systems, leads to
Q.6
In electrical pneumatic system analogy the current is considered analogous to
Q.7
Which of the following devices are commonly used as error detectors in instruments ?
Q.8
In pneumatic control systems the control valve used as final control element converts
Q.9
In case of type-1 system steady state acceleration is
Q.10
The transient response of a system is mainly due to
Q.11
In liquid level and electrical system analogy, voltage is considered analogous to
Q.12
Which of the following statements is not necessarily correct for open control system ?
Q.13
When the initial conditions of a system are specified to be zero it implies that the system is
Q.14
A control system working under unknown random actions is called
Q.15
Which of the following is the best method for determining the stability and transient response ?
Q.16
The on-off controller is a _____ system.
Q.17
In order to increase the damping of a badly underdamped system which of following compensators may be used ?
Q.18
From which of the following transfer function can be obtained ?
Q.19
Which of the following devices is used for conversion of co-ordinates ?
Q.20
A controller, essentially, is a
Q.21
Which of the following is an open loop control system ?
Q.22
Which of the following is exhibited by Root locus diagrams ?
Q.23
In open loop system
Q.24
The phase lag produced by transportation relays
Q.25
In a stable control system saturation can cause which of the following ?
Q.26
Velocity error constant of a system is measured when the input to the system is unit _______ function.
Q.27
The transient response, with feedback system,
Q.28
Transfer function of a system is used to calculate which of the following ?
Q.29
In a system low friction coefficient facilitates
Q.30
Increases the steady state accuracy.
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