Govt Exams Mock Test FREE | Online Quiz Competition

Q1. Circuit breaker used for over current protection of thyristor operates when the fault current is

of long period

of short duration

Both (A) and (B)

Neither (A) and (B)

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. What are the components of the snubber circuit connected across SCR?

Inductor and resistor in parallel

Capacitor and resistor in series

Capacitor and resistor in parallel

Inductor and resistor in series

Q4. The ignited or auxiliary anode in mercury arc rectifier is made of

graphite

boron carbide

aluminium

copper

Q5. An S.C. R. is

3 layer 3 terminal device

3 Layer 4 terminal device

4 layer 3 terminal device

4 layer 4 terminal device

Q6. For continuous conduction in a single phase semiconverter, each SCR conducts for___________.

\(\pi\)

\(\alpha\)

\(\pi - \alpha \)

\(\pi + \alpha \)

Q7. In an SCR circuit, the supply voltage is generally_______ that of breakover voltage

equal to

less than

greater than

none of the above

Q8. If the voltmeter is connected in series with the load in a circuit, what will happen?

load will not work properly

voltmeter will show wrong reading

very less voltage across the load

all of the above

Q9. Creeping in energy meters can be prevented by proving

One hole on the disc

Two holes on opposite sides of the disc

Extra voltage coil in the meter

Extra current coil in the meter

Q10. A man holds both the terminals of a 500 V meggar, but is still safe due to

High voltage.

Very low current

High resistance of the body.

Low resistance of the body.

Quiz

Year 2024

August
Week # 4 Quiz 2

Q1. Circuit breaker used for over current protection of thyristor operates when the fault current is

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

Q3. What are the components of the snubber circuit connected across SCR?

Q4. The ignited or auxiliary anode in mercury arc rectifier is made of

Q5. An S.C. R. is

Q6. For continuous conduction in a single phase semiconverter, each SCR conducts for___________.

Q7. In an SCR circuit, the supply voltage is generally_______ that of breakover voltage

Q8. If the voltmeter is connected in series with the load in a circuit, what will happen?

Q9. Creeping in energy meters can be prevented by proving

Q10. A man holds both the terminals of a 500 V meggar, but is still safe due to

Quiz

Year 2024

November Week # 4 Expire on 21 Dec 2024

December Week # 1 Expire on 31 Dec 2024

December Week # 2 Expire on 07 Jan 2025

December Week # 3 Expire on 14 Jan 2025

August Week # 4 Quiz 2

Q1. Circuit breaker used for over current protection of thyristor operates when the fault current is

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

Q3. What are the components of the snubber circuit connected across SCR?

Q4. The ignited or auxiliary anode in mercury arc rectifier is made of

Q5. An S.C. R. is

Q6. For continuous conduction in a single phase semiconverter, each SCR conducts for___________.

Q7. In an SCR circuit, the supply voltage is generally_______ that of breakover voltage

Q8. If the voltmeter is connected in series with the load in a circuit, what will happen?

Q9. Creeping in energy meters can be prevented by proving

Q10. A man holds both the terminals of a 500 V meggar, but is still safe due to

Record & Track Your Performance

August
Week # 4 Quiz 2