MGVCL EXAM PAPER (30-07-2021 SHIFT 2) QUIZ

In a synchronous motor with field under excited, the power factor will be

lagging

leading

unity

zero

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a Font style in Microsoft Word?

Bold

Superscript

Italic

Regular

TRUE ANSWER : ?
YOUR ANSWER : ?

Who started the daily newspaper 'National Herald' in 1938?

Jawaharlal Nehru

Dadabhai Naoroji

Subhas Chandra Bose

Ram Mohan Roy

TRUE ANSWER : ?
YOUR ANSWER : ?

In a short circuit test on circuit breaker, time to reach the peak re-striking voltage is 50 µs with the peak restriking voltage of 100 kV. Determine average RRRV (Rate of rise re-striking voltage)?

3 x 10⁶ kV/sec

1 x 10⁶ kV/sec

2 x 10⁶ kV/sec

4 x 10⁶ kV/sec

TRUE ANSWER : ?
YOUR ANSWER : ?

The magnitude of the generator earth-fault current is limited by

controlling field exciter

using higher rating CTs

inserting the stabilizing resistance in series with the relay

inserting suitable resistance in neutral grounding circuit

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following statement is TRUE?

In the cables, sheaths are used to provide enough strength.

The current carrying capacity of cables in DC is less than that in AC.

Underground cables are laid at sufficient depth to avoid being unearthed easily due to removal of soil.

In the cables, the location of fault is usually found out by comparing the capacitances of insulated conductors.

TRUE ANSWER : ?
YOUR ANSWER : ?

____are long-term (hours-long) voltage sags caused by system overload.

Voltage dips

Voltage surges

Black outs

Brownouts

TRUE ANSWER : ?
YOUR ANSWER : ?

જે ક્રિયા દર્શાવે પણ વાક્યનો અર્થ પૂર્ણ કરે એ એને ____કહેવાય. - આપેલ વિકલ્પોમાંથી યોગ્યનું ચયન કરી વાક્ય પૂર્ણ કરો

વિભક્તિ

નીપાત

કૃદંત

ક્રિયા-વિભક્તિ

TRUE ANSWER : ?
YOUR ANSWER : ?

Consider the following statements associated with Buchholz's relays.<br/>Statement 1: Buchholz's relay is a current operated device.<br/>Statement 2 : Buchholz's relay is placed between the transformer tank and the conservator.

Both Statement 1 and Statement 2 are TRUE

Both Statement 1 and Statement 2 are FALSE

Statement 1 is TRUE and Statement 2 is FALSE

Statement 1 is FALSE and Statement 2 is TRUE

TRUE ANSWER : ?
YOUR ANSWER : ?

A 3-phase motor load has a p.f. of 0.397 lagging. The two wattmeter method used to measure power show the input as 30 kW. Find the reading on each wattmeter.

W1 = 10 kW and W2 = 20 kW

W1 = -10 kW and W2 = 40 kW

W1 = 5 kW and W2 = 25 kW

W1 = -5 kW and W2 = 35 kW

TRUE ANSWER : ?
YOUR ANSWER : ?