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

MGVCL Exam Paper (30-07-2021 Shift 2)
Choose the word which expresses nearly the opposite meaning of the given word "WHIMSICAL"

Curious
Regular
Fantastic
Funny

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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.

0.2 H
5 mH
0.2 mH
5 H

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.

MGVCL Exam Paper (30-07-2021 Shift 2)
પાણી : પાણીગ્રહણ :: હસ્ત : ???

પ્રેમાલાપ
હસ્તમેળાપ
વિવાહ
છુટાછેડા

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MGVCL Exam Paper (30-07-2021 Shift 2)
A circuit breaker is rated 2500 A, 2000 MVA, 33 kV, 3 sec, 3-phase oil circuit breaker. Determine the breaking current.

25 kA
35 kA
350 kA
2500 A

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Breaking capacity of circuit breaker = √3*VL*Ib
VL - line voltage in volt
IL - Line current/breaking in ampere
VL = 33 kV
S = 2000 MVA

Ib = 30*1000 (in kVA)/(√3*33)
Ib = 34.99 kA

MGVCL Exam Paper (30-07-2021 Shift 2)
A THHN conductor will have a 60˚C termination on one end and a 75˚C termination on the other, which ampacity column will be used?

60˚C column
90˚C column
None of these
75˚C column

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Conductor with higher temperature ratings, provide the ampacity is determined based on the 60°C ampacity of the conductor.

MGVCL Exam Paper (30-07-2021 Shift 2)
Find the word which is correctly spelt from the given options.

Socialy
Oscillate
seriuous
Abolishid

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

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