Govt Exams Mock Test FREE | Online Quiz Competition

Q1. For a 12 pulse operation, the two 6 pulse units are fed by

\(Y-Y\) and \(Y-Y\) transformers

\(\Delta-\Delta\) and \(\Delta-\Delta\) transformers

\(Y-\Delta\) and \(Y-\Delta\) transformers

\(Y-Y\) and \(Y-\Delta\) transformers

Q2. In order to obtain static voltage equalization in series-connected SCRs, connect

One resistor across the string

Resistors of different values across each SCR

Resistors of the same value across each SCR

One resistor in series with the string

Q3. The turn on time of SCR does not include:

gate recovery time

rise time

spread time

delay time

Q4. DIAC and TRIAC both are semiconductor devices and conduct in

Both conducts in forward direction

DIAC conducts in forward direction and TRIAC conducts in reverse direction

Both conducts in reverse direction

Both conduct in either direction.

Q5. The turn-off time of GTO does NOT include:

Fall period

Settling period

Storage period

Tail period

Q6. The number of P-N junctions in a thyristor is/are

1

2

3

4

Q7. Which chopper circuit operates in all the 4 quadrants?

A

C

D

E

Q8. Which of the following error in moving iron type instruments can be removed by connecting a capacitor of suitable value in parallel with the swamp resistance of the instrument?

Error with a.c. work only

Error with d.c. work only

Error due to stray fields

Error due to hysteresis

Q9. Creeping is the phenomenon which occurs in

Voltmeter

Wattmeter

Energy meter

Ammeter

Q10. The principle of operation of LVDT is based on variation of

self inductance

Mutual inductors

Reluctance

Permeance

Quiz

Year 2024

October
Week # 4 Quiz 2

Q1. For a 12 pulse operation, the two 6 pulse units are fed by

Q2. In order to obtain static voltage equalization in series-connected SCRs, connect

Q3. The turn on time of SCR does not include:

Q4. DIAC and TRIAC both are semiconductor devices and conduct in

Q5. The turn-off time of GTO does NOT include:

Q6. The number of P-N junctions in a thyristor is/are

Q7. Which chopper circuit operates in all the 4 quadrants?

Q8. Which of the following error in moving iron type instruments can be removed by connecting a capacitor of suitable value in parallel with the swamp resistance of the instrument?

Q9. Creeping is the phenomenon which occurs in

Q10. The principle of operation of LVDT is based on variation of

Quiz

Year 2024

October Week # 1 Expire on 31 Oct 2024

October Week # 2 Expire on 07 Nov 2024

October Week # 3 Expire on 14 Nov 2024

October Week # 4 Expire on 21 Nov 2024

October Week # 4 Quiz 2

Q1. For a 12 pulse operation, the two 6 pulse units are fed by

Q2. In order to obtain static voltage equalization in series-connected SCRs, connect

Q3. The turn on time of SCR does not include:

Q4. DIAC and TRIAC both are semiconductor devices and conduct in

Q5. The turn-off time of GTO does NOT include:

Q6. The number of P-N junctions in a thyristor is/are

Q7. Which chopper circuit operates in all the 4 quadrants?

Q8. Which of the following error in moving iron type instruments can be removed by connecting a capacitor of suitable value in parallel with the swamp resistance of the instrument?

Q9. Creeping is the phenomenon which occurs in

Q10. The principle of operation of LVDT is based on variation of

Record & Track Your Performance

October
Week # 4 Quiz 2