DGVCL EXAM PAPER (12-06-2016) QUIZ

The process of a computer receiving information from a server via Internet is known as:

Retrieving

Uploading

Downloading

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Capacitance is the ability of a body to store an _____

All of these

electrical charge

voltage

electric current

TRUE ANSWER : ?
YOUR ANSWER : ?

Efficiency of a power transformer is of the order of :

0.98

0.25

1

0.5

TRUE ANSWER : ?
YOUR ANSWER : ?

The following is/are the characteristics of SF₆ circuit breakers:

All of these

Short break time of 2 to 2.5 cycles

It does not need an auxiliary breaking chamber

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The main disadvantages of having poor power factors are:

All of these

High energy loss in conductor

High cost of station and distribution equipment

Poor voltage regulation

TRUE ANSWER : ?
YOUR ANSWER : ?

As per Electricity Act, _____ means any line which is used for carrying electricity for any purpose.

None of these

Electric line

All of these

Transmission line

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

0.5

0.4

0.2

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Low voltage and high current

How voltage and high current

None of these

High voltage and low current

TRUE ANSWER : ?
YOUR ANSWER : ?

The Minimum Oil Circuit Breaker (MOCB) is named because of :

All of these

None of these

Reduced requirement of oil

Reduced requirement of air

TRUE ANSWER : ?
YOUR ANSWER : ?

Transformer core is laminated to _____

Reduce hysteresis loss

Reduce eddy current losses

Reduce copper losses

Reduce all above losses

TRUE ANSWER : ?
YOUR ANSWER : ?

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