Govt Exams Mock Test FREE | Online Quiz Competition

Q1. In practical power system state estimation using N R method how many swing bus(s) are required

0

1

2

3

Q2. The ABCD constants of a 3-phase transmission line are \(A = D = 0.8 \angle 1^\circ, B = 170 \angle 85 ^\circ \Omega , C = 0.002 \angle 90.4^\circ \mho\) . The sending end voltage is 400 kV. The receiving end voltage under no load condition is

400 kV

500 kV

600 kV

300 kV

Q3. In the power system network auto transformer is preferable for which of the following voltage ratings ?

66/11 kV

132/11 kV

220/66 kV

400/220 kV

Q4. ............ is employed for rocky soil earth bed where excavation work is difficult.

Strip earthing

Plate earthing

Pipe earthing

Rod earthing

Q5. Which of the following is the correct advantage of series compensation in EHV transmission system?

Improvement of system stability

Increase in fault current

High recovery voltage of lines

Mal-operation of distance relay

Q6. A 16 A, Type B Miniature Circuit Breaker (MCB) will disconnect a fault in 0.1s when the fault current is

greater than 32 A

between 48 A and 80 A

less than 16 A

between 16 A and 48 A

Q7. The line trap in Power Line Carrier Communication comprised of a ................ resonant circuit with ............ Impedance tuned to the power line carrier frequency.

parallel, high

series, high

parallel, low

series, low

Q8. In a power system, active power is influenced with

Voltage

Voltage magnitude

Frequency

Both B & C

Q9. Power dispatch through a transmission line can be increased by

installing series capacitor

installing shunt capacitor

installing series reactor

installing shunt reactor

Q10. Overhead lines generally use

copper conductors

Aluminum conductors

A.C.S.R. conductors

none of these

Quiz

Year 2024

February
Week # 3 Quiz 1

Q1. In practical power system state estimation using N R method how many swing bus(s) are required

Q2. The ABCD constants of a 3-phase transmission line are \(A = D = 0.8 \angle 1^\circ, B = 170 \angle 85 ^\circ \Omega , C = 0.002 \angle 90.4^\circ \mho\) . The sending end voltage is 400 kV. The receiving end voltage under no load condition is

Q3. In the power system network auto transformer is preferable for which of the following voltage ratings ?

Q4. ............ is employed for rocky soil earth bed where excavation work is difficult.

Q5. Which of the following is the correct advantage of series compensation in EHV transmission system?

Q6. A 16 A, Type B Miniature Circuit Breaker (MCB) will disconnect a fault in 0.1s when the fault current is

Q7. The line trap in Power Line Carrier Communication comprised of a ................ resonant circuit with ............ Impedance tuned to the power line carrier frequency.

Q8. In a power system, active power is influenced with

Q9. Power dispatch through a transmission line can be increased by

Q10. Overhead lines generally use

Quiz

Year 2024

July Week # 1 Expire on 31 Jul 2024

July Week # 2 Expire on 07 Aug 2024

July Week # 3 Expire on 14 Aug 2024

July Week # 4 Expire on 21 Aug 2024

February Week # 3 Quiz 1

Q1. In practical power system state estimation using N R method how many swing bus(s) are required

Q2. The ABCD constants of a 3-phase transmission line are \(A = D = 0.8 \angle 1^\circ, B = 170 \angle 85 ^\circ \Omega , C = 0.002 \angle 90.4^\circ \mho\) . The sending end voltage is 400 kV. The receiving end voltage under no load condition is

Q3. In the power system network auto transformer is preferable for which of the following voltage ratings ?

Q4. ............ is employed for rocky soil earth bed where excavation work is difficult.

Q5. Which of the following is the correct advantage of series compensation in EHV transmission system?

Q6. A 16 A, Type B Miniature Circuit Breaker (MCB) will disconnect a fault in 0.1s when the fault current is

Q7. The line trap in Power Line Carrier Communication comprised of a ................ resonant circuit with ............ Impedance tuned to the power line carrier frequency.

Q8. In a power system, active power is influenced with

Q9. Power dispatch through a transmission line can be increased by

Q10. Overhead lines generally use

Record & Track Your Performance

February
Week # 3 Quiz 1