Govt Exams Mock Test FREE | Online Quiz Competition

Q1. The Transfer Function of a system given by \(T(s) = \frac{-100}{(s^2+20s+100)}\). The system is

Critically damped

Overdamped

Underdamped

Unstable

Q2. The type 2 system has at the origin.

no net pole

net pole

simple pole

two poles

Q3. Which of the following is the characteristics of the closed loop systems?

It has the ability to control the system transient response.

It does not involve I/O measurements.

It increases the sensitivity of plant-parameter variations.

It does not compensate for disturbance.

Q4. In a control system, when the gain is increased beyond a certain value, the system becomes:

Marginally stable

Unstable

Exponentially stable

Oscillatory

Q5. Which one of the following statements is correct?
Nichol’s chart is useful for the detailed study of:

Closed loop frequency response

Open loop frequency response

Close loop and open loop frequency responses

None of the mentioned

Q6. Which of the following is NOT true for a signal flow graph (SFG)?

SFG is applied to both linear and complex systems.

Overall gain of an SFG can be determined by using Mason's gain formula.

SFG of a system is not unique

Algebraic sum of all incoming signals and outgoing nodes is zero in SFG.

Q7. The type 1 system has ______ at the origin.

no pole

net pole

simple pole

two poles

Q8. The output of the feedback control system must be a function of ..............

Reference input

Reference output

Input and feedback signal

Output and feedback signal

Q9. An AC induction motor is used for a speed control application. It is driven from an inverter with a constant V/f control. The motor name plate details are as follows: V= 415V, 3-phase, f=50 Hz, N = 2850 rpm The motor is run with the inverter output frequency set at 40 Hz, and with half the rated slip. The running speed of the motor is

2400 rpm

2280 rpm

2340 rpm

2790 rpm

Q10. A 1 KVA, single phase, 50 Hz, 100/250 V transformer gives the following results on short circuit test conducted at high voltage side:
Voltmeter reading: 12.5 V; Ammeter reading: 4 A; wattmeter readin: 80 W.
The equivalent resistance referred to high voltage side will be _______.

20 ohms

5 ohms

10 ohms

40 ohms

Quiz

Year 2024

September
Week # 1 Quiz 5

Q1. The Transfer Function of a system given by \(T(s) = \frac{-100}{(s^2+20s+100)}\). The system is

Q2. The type 2 system has at the origin.

Q3. Which of the following is the characteristics of the closed loop systems?

Q4. In a control system, when the gain is increased beyond a certain value, the system becomes:

Q5. Which one of the following statements is correct?
Nichol’s chart is useful for the detailed study of:

Q6. Which of the following is NOT true for a signal flow graph (SFG)?

Q7. The type 1 system has ______ at the origin.

Q8. The output of the feedback control system must be a function of ..............

Q10. A 1 KVA, single phase, 50 Hz, 100/250 V transformer gives the following results on short circuit test conducted at high voltage side:
Voltmeter reading: 12.5 V; Ammeter reading: 4 A; wattmeter readin: 80 W.
The equivalent resistance referred to high voltage side will be _______.

Quiz

Year 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

September Week # 3 Expire on 14 Oct 2024

September Week # 1 Quiz 5

Q1. The Transfer Function of a system given by \(T(s) = \frac{-100}{(s^2+20s+100)}\). The system is

Q2. The type 2 system has at the origin.

Q3. Which of the following is the characteristics of the closed loop systems?

Q4. In a control system, when the gain is increased beyond a certain value, the system becomes:

Q5. Which one of the following statements is correct? Nichol’s chart is useful for the detailed study of:

Q6. Which of the following is NOT true for a signal flow graph (SFG)?

Q7. The type 1 system has ______ at the origin.

Q8. The output of the feedback control system must be a function of ..............

Q10. A 1 KVA, single phase, 50 Hz, 100/250 V transformer gives the following results on short circuit test conducted at high voltage side: Voltmeter reading: 12.5 V; Ammeter reading: 4 A; wattmeter readin: 80 W. The equivalent resistance referred to high voltage side will be _______.

Record & Track Your Performance

September
Week # 1 Quiz 5

Q5. Which one of the following statements is correct?
Nichol’s chart is useful for the detailed study of:

Q10. A 1 KVA, single phase, 50 Hz, 100/250 V transformer gives the following results on short circuit test conducted at high voltage side:
Voltmeter reading: 12.5 V; Ammeter reading: 4 A; wattmeter readin: 80 W.
The equivalent resistance referred to high voltage side will be _______.