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MGVCL Exam Paper (30-07-2021 Shift 2)

MGVCL Exam Paper (30-07-2021 Shift 2)
Choose the word which best expresses the similar meaning of the given word "LUCID"

Cloudy
Sensible
Clear
Puzzled

ANSWER DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 2)
A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 4 hours. What is the permissible overload for a duration of four hours. Assume the permissible load kVA as a fraction of rated kVA is 1.24.

930 kVA
620 kVA
1240 kVA
2480 kVA

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Permissible overload = Full load kVA*factor for permissible load
= 1000*1.24
= 1240 kVA

MGVCL Exam Paper (30-07-2021 Shift 2)
Fill in the blanks with suitable Article from the given alternatives.
I heard ____interesting story yesterday

an
No article
the
a

ANSWER DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 2)
A delta-connected balanced three-phase load is supplied from a three-phase, 400 V supply. The line current is 20 A and the power taken by the load is 10 kW. Find the power factor.

0.52
0.82
0.62
0.72

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

P = 10 kW
VL = 400 V
IL = 20 A

3- phse power, P = √3*VL*IL*cosφ

cosφ = 10*1000/(√3*400*20)
= 0.7216

MGVCL Exam Paper (30-07-2021 Shift 2)
હુ ગીત ગાઈશ' ને કર્મણીમાં ફેરવો.

ગીતને હુ જ ગાઇશ
મારાથી ગીત ગવાશે
ગીતને હુ ગાઈશ
હુ ગીતને ગાઈશ

ANSWER DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 2)
In the RLC series circuit shown in figure, resonance occurs when the value of C is 20 µF. The supply voltages is v(t) = 20 sin (500t) V. Find the value of L.

5 H
0.2 H
0.2 mH
5 mH

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Here,
ω = 500 rad/sec = 2πf.
At Resonance condition,
ωL = 1/(ωC)
L 0.2 H
Also at series resonace
1. fr = 1/[2π√(LC)]
2. PF = 1
3. Maximum current
4. Source voltage = voltage across resistor.

MORE MCQ ON MGVCL Exam Paper (30-07-2021 Shift 2)

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