Govt Exams Mock Test FREE | Online Quiz Competition

Q1. The transfer function of a closed-loop control system is \( \frac{G(s)}{1 + G(s)H(s)} \), where \( G(s) \) is the forward path transfer function and \( H(s) \) is the feedback path transfer function. What does \( H(s) \) represent?

Sensor dynamics

Controller dynamics

Actuator dynamics

System dynamics

Q2. In an open loop system

Output control the input signal

Output has no control over input signal

Some other variable control the input signal

Neither output nor any other variable has any effect on input

Q3. Two blocks having respective transfer functions of \(G_1\) and \(G_2\) are connected in series cascade. Their resultant will be

\(G_1\) or \(G_2\) whichever is higher

\(G_1\) or \(G_2\) whichever is lower

\(G_1 G_2\)

\(G_1 + G_2\)

Q4. Which of the following is considered as a controller in an automatic toaster system?

Desired time

Heating component

Power input

Relay

Q5. A phase lag lead network introduces in the output

lag at all frequencies

lag at high frequencies and lead at low frequencies

lag at low frequencies and lead at high frequencies

none of the above

Q6. For an unity feedback system with \(G(s) = \frac{K(s+2)}{s(s+1)}\), part of the root locus is a circle of radius approximately

1

1.25

1.5

2

Q7. The Energy Conservative element in a mechanical system is

Mass

Spring

Both (1) and (2)

Damper

Q8. A system is said to be ______, if its output is under control

Unstable

Stable

Constant

Flexible

Q9. If the primary line voltage rating is 3.3 kV (Y side) of a 25 kVA star-delta transformer (the per phase turns ratio is 5:1), then the line current rating of the secondary side (in Amperes) is ______.

74 A

37/√3 A

37 A

74/√3 A

Q10. An 8 kW, 4-Pole, 220 V, 50 Hz reluctance motor has a torque angle of \(30^\circ\) when operating under rated load conditions. Calculate load torque.

\( T_L= 61 \:N-m\)

\(T_L= 71 \: N-m\)

\(T_L= 41 \:N-m\)

\(T_L= 51 \:N-m\)

Quiz

Year 2025

August
Week # 1 Quiz 5

Q1. The transfer function of a closed-loop control system is \( \frac{G(s)}{1 + G(s)H(s)} \), where \( G(s) \) is the forward path transfer function and \( H(s) \) is the feedback path transfer function. What does \( H(s) \) represent?

Q2. In an open loop system

Q3. Two blocks having respective transfer functions of \(G_1\) and \(G_2\) are connected in series cascade. Their resultant will be

Q4. Which of the following is considered as a controller in an automatic toaster system?

Q5. A phase lag lead network introduces in the output

Q6. For an unity feedback system with \(G(s) = \frac{K(s+2)}{s(s+1)}\), part of the root locus is a circle of radius approximately

Q7. The Energy Conservative element in a mechanical system is

Q8. A system is said to be ______, if its output is under control

Q9. If the primary line voltage rating is 3.3 kV (Y side) of a 25 kVA star-delta transformer (the per phase turns ratio is 5:1), then the line current rating of the secondary side (in Amperes) is ______.

Q10. An 8 kW, 4-Pole, 220 V, 50 Hz reluctance motor has a torque angle of \(30^\circ\) when operating under rated load conditions. Calculate load torque.

Quiz

Year 2025

January Week # 3 Expire on 14 Feb 2025

January Week # 4 Expire on 21 Feb 2025

February Week # 1 Expire on 28 Feb 2025

February Week # 2 Expire on 07 Mar 2025

August Week # 1 Quiz 5

Q1. The transfer function of a closed-loop control system is \( \frac{G(s)}{1 + G(s)H(s)} \), where \( G(s) \) is the forward path transfer function and \( H(s) \) is the feedback path transfer function. What does \( H(s) \) represent?

Q2. In an open loop system

Q3. Two blocks having respective transfer functions of \(G_1\) and \(G_2\) are connected in series cascade. Their resultant will be

Q4. Which of the following is considered as a controller in an automatic toaster system?

Q5. A phase lag lead network introduces in the output

Q6. For an unity feedback system with \(G(s) = \frac{K(s+2)}{s(s+1)}\), part of the root locus is a circle of radius approximately

Q7. The Energy Conservative element in a mechanical system is

Q8. A system is said to be ______, if its output is under control

Q9. If the primary line voltage rating is 3.3 kV (Y side) of a 25 kVA star-delta transformer (the per phase turns ratio is 5:1), then the line current rating of the secondary side (in Amperes) is ______.

Q10. An 8 kW, 4-Pole, 220 V, 50 Hz reluctance motor has a torque angle of \(30^\circ\) when operating under rated load conditions. Calculate load torque.

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August
Week # 1 Quiz 5