DGVCL EXAM PAPER (12-06-2016) QUIZ

The number of cycles in which a high speed circuit breaker can complete its operation is

40 to 50

10 to 18

20 to 30

3 to 8

TRUE ANSWER : ?
YOUR ANSWER : ?

Gujarat State Electricity Corp. Ltd. (GSECL) is a _____

Power Generation Company

Regulatory Commission

Transmission Company

Distribution Company

TRUE ANSWER : ?
YOUR ANSWER : ?

The following is correct :

P = I²xR

P = VxI

P = V²/R

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

About how many times longer would a 10 watt light bulb be able to burn compared to a 100 watt bulb with the same energy?

Same time

None of these

10 times longer

100 times longer

TRUE ANSWER : ?
YOUR ANSWER : ?

Step-down transformer converts high voltage and low current into:

None of these

How voltage and high current

Low voltage and high current

High voltage and low current

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following does not change in a transformer?

Current

All of these

Frequency

Voltage

TRUE ANSWER : ?
YOUR ANSWER : ?

The energy radiated by Sun on a bright Sunny day is approximately:

1 kW/m²

700 W/m²

2 kW/m²

800 W/m²

TRUE ANSWER : ?
YOUR ANSWER : ?

The following formula is correct:

Load factor = Average load for a period x Peak load for the same period

All of these

Load factor = Average load for a period + Peak load for the same period

Load facto r= Average load for a period/Peak load for the same period

TRUE ANSWER : ?
YOUR ANSWER : ?

Transformer core is laminated to _____

Reduce copper losses

Reduce eddy current losses

Reduce all above losses

Reduce hysteresis loss

TRUE ANSWER : ?
YOUR ANSWER : ?

True value has been 50 whereas measured value is 40 then the percentage error in the reading will be _____

0.3

0.2

0.4

0.5

TRUE ANSWER : ?
YOUR ANSWER : ?