Govt Exams Mock Test FREE | Online Quiz Competition

Q1. Feedback control system has transfer function given by \(F(S) = \frac{6 (S+1) (S+6)}{S^3(S+2) (S+4)}\).
It is a type

5 system

3 system

2 system

0 system

Q2. What should be the nature of root locus about the real axis?

Asymmetric

Symmetric

Exponential

Decaying

Q3. What is the ratio of amplitude of response to that of the input called?

Response

Gain

Phase

Frequency

Q4. From which of the following transfer function can be obtained ?

Signal flow graph

Analogous table

Output-input ratio

Standard block system

Q5. Root Locus is locus of the.

open loop poles to open loop zeros

Open loop zeros to close loop poles

close loop poles to close loop zeros

close loop poles

Q6. Time constant is defined as the time taken by the response of the system to reach ______________?

100% of the final value

70.7% of the final value

63% of the final value

50% of the final value

Q7. Angle condition for complimentary root locus or inverse root locus is

\(\pm\) (2q + 1) \(180^o\)

\(\pm\) (2q) \(180^o\)

\(\pm\) (2q + 1) \(360^o\)

\(\pm\) (2q) \(360^o\)

Q8. The type of a transfer function denotes the number of

Poles at origin

Zeros at origin

Finite poles

Poles at infinity

Q9. The rotor of a four-pole, 50 Hz slip-ring induction motor has a resistance of \(0.2\:\Omega\) per phase and runs at 1425 rpm at full-load. Determine the external resistance per phase which must be added to reduce the speed to 1200 rpm, the torque remaining same in both the cases.

\(0.8\:\Omega\)

\(0.2\:\Omega\)

\(0.4\:\Omega\)

\(0.6\:\Omega\)

Q10. The regulation of an alternator is likely to be negative in case of

high speed alternators

slow speed alternators

lagging power factor of the load

leading power factor of the load.

Quiz

Year 2024

July
Week # 1 Quiz 5

Q1. Feedback control system has transfer function given by \(F(S) = \frac{6 (S+1) (S+6)}{S^3(S+2) (S+4)}\).
It is a type

Q2. What should be the nature of root locus about the real axis?

Q3. What is the ratio of amplitude of response to that of the input called?

Q4. From which of the following transfer function can be obtained ?

Q5. Root Locus is locus of the.

Q6. Time constant is defined as the time taken by the response of the system to reach ______________?

Q7. Angle condition for complimentary root locus or inverse root locus is

Q8. The type of a transfer function denotes the number of

Q9. The rotor of a four-pole, 50 Hz slip-ring induction motor has a resistance of \(0.2\:\Omega\) per phase and runs at 1425 rpm at full-load. Determine the external resistance per phase which must be added to reduce the speed to 1200 rpm, the torque remaining same in both the cases.

Q10. The regulation of an alternator is likely to be negative in case of

Quiz

Year 2024

August Week # 3 Expire on 14 Sep 2024

August Week # 4 Expire on 21 Sep 2024

September Week # 1 Expire on 30 Sep 2024

September Week # 2 Expire on 07 Oct 2024

July Week # 1 Quiz 5

Q1. Feedback control system has transfer function given by \(F(S) = \frac{6 (S+1) (S+6)}{S^3(S+2) (S+4)}\). It is a type

Q2. What should be the nature of root locus about the real axis?

Q3. What is the ratio of amplitude of response to that of the input called?

Q4. From which of the following transfer function can be obtained ?

Q5. Root Locus is locus of the.

Q6. Time constant is defined as the time taken by the response of the system to reach ______________?

Q7. Angle condition for complimentary root locus or inverse root locus is

Q8. The type of a transfer function denotes the number of

Q9. The rotor of a four-pole, 50 Hz slip-ring induction motor has a resistance of \(0.2\:\Omega\) per phase and runs at 1425 rpm at full-load. Determine the external resistance per phase which must be added to reduce the speed to 1200 rpm, the torque remaining same in both the cases.

Q10. The regulation of an alternator is likely to be negative in case of

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July
Week # 1 Quiz 5

Q1. Feedback control system has transfer function given by \(F(S) = \frac{6 (S+1) (S+6)}{S^3(S+2) (S+4)}\).
It is a type