High Voltage Engineering Test Questions

1.

The series capacitor peak voltmeter is suitable for

A. Positive half cycle

B. Negative half cycle

C. Sinusoidal waveform

D. All of these

Answer & Solution Discuss in Board

2.

For voltage measurements, the gap which gives the highest accuracy is

A. Sphere gaps

B. Field gaps

C. Rod gaps

D. None of these

Answer & Solution Discuss in Board

3.

The sparkover voltage

A. Increases with humidity

B. decreases with the partial pressure of water vapour in air

C. Humidity effect decreases with the size of spheres

D. Humidity is minimum for uniform field gaps

Answer & Solution Discuss in Board

4.

The expected life at the rated stress can be determined by conducting long duration life tests at increased stress for

A. Less than 1 hr

B. 1 hr to about 1000 hr

C. More than 1000 hr

D. None of these

Answer & Solution Discuss in Board

5.

Impulse testing of transformers is done using

A. Full wave standard impulse

B. Chopped wave standard impulse

C. Half wave standard impulse

D. Only (a) and (b)

E. None of these

Answer & Solution Discuss in Board

6.

Failure during switching impulse tests are can be determined by

A. Visible in oscillograms

B. Loud noise produced

C. External flashovers

D. All of these

Answer & Solution Discuss in Board

7.

For operating power frequency voltages, a surge arrester has to be a

A. Conductor

B. Non-conductor

C. Semiconductor

D. None of these

Answer & Solution Discuss in Board

8.

For the measurement of radio interference voltages, the detector circuit is provided with a measuring device to measure

A. Average value

B. Peak value

C. Quasi-peak value

D. All of these.

Answer & Solution Discuss in Board

Practice MCQ Questions and answers on High Voltage Engineering Test Questions

1. The series capacitor peak voltmeter is suitable for

Answer & Solution

2. For voltage measurements, the gap which gives the highest accuracy is

Answer & Solution

3. The sparkover voltage

Answer & Solution

4. The expected life at the rated stress can be determined by conducting long duration life tests at increased stress for

Answer & Solution

5. Impulse testing of transformers is done using

Answer & Solution

6. Failure during switching impulse tests are can be determined by

Answer & Solution

7. For operating power frequency voltages, a surge arrester has to be a

Answer & Solution

8. For the measurement of radio interference voltages, the detector circuit is provided with a measuring device to measure

Answer & Solution

Read More Section(Electrical Engineering Questions)

1.

The series capacitor peak voltmeter is suitable for

2.

For voltage measurements, the gap which gives the highest accuracy is

3.

The sparkover voltage

4.

The expected life at the rated stress can be determined by conducting long duration life tests at increased stress for

5.

Impulse testing of transformers is done using

6.

Failure during switching impulse tests are can be determined by

7.

For operating power frequency voltages, a surge arrester has to be a

8.

For the measurement of radio interference voltages, the detector circuit is provided with a measuring device to measure