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Year 2023
November
Week # 3
Expire on 14 Dec 2023
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November
Week # 4
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FAQs
November
Week # 1 Quiz 5
Q1.
Roots with higher multiplicity on the imaginary axis makes the system :
Absolutely stable
Unstable
Linear
Stable
Q2.
The initial response when the output is not equal to input is called
error response
transient response
dynamic response
either of the above
Q3.
Which of the following is false for an open control system?
The overall system is low cost.
Maintenance is relatively easy
Disturbance is taken care of by feedback.
It is easy to make.
Q4.
In a control system, when the gain is increased beyond a certain value, the system becomes:
Marginally stable
Unstable
Exponentially stable
Oscillatory
Q5.
A band limited signal is sampled at Nyquist rate. The signal can be recovered by passing the sample through
An RC filter
An envelope detector
A PLL
An ideal LPF with the appropriate bandwidth
Q6.
Steady state error of Type-1 system in terms of Gain \(K\) for a ramp input is _______.
0
\(K\)
\(1/K\)
Infinity
Q7.
Which among the following constitute the state model of a system in addition to state equations?
Input equations
Output equations
State trajectory
State vector
Q8.
The steady-state error is specified (usually) in terms of:
Damping Factor
Bandwidth
Error Constants
Speed of Response
Q9.
It is desirable to eliminate 5th harmonic voltage from the phase voltage of an alternator. The coils should be short pitched by an electrical angle of
36°
30°
18°
72°
Q10.
A 3 phase induction motor is running at slip S. If its two supply leads are interchanged, its slip at that instant is equal to
2-S
1-S
3-S
Zero
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