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MGVCL Exam Paper (30-07-2021 Shift 1)

MGVCL Exam Paper (30-07-2021 Shift 1)
Recently, India signed first ever term contract to import crude oil with which country?

China
Japan
Russia
Nepal

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MGVCL Exam Paper (30-07-2021 Shift 1)
Fill in the blanks with suitable Article from the given alternatives.
Bread is ___ predominant food prepared from a dough of flour and water

a
an
No article
the

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MGVCL Exam Paper (30-07-2021 Shift 1)
A given solar cell has the following specifications:
Open-circuit voltage, Voc: 0.7 V
Short-circuit current, Isc: 3.5 A
Short-circuit current, Isc: 3.5 A
Short-circuit current, Isc: 3.5 A
If the solar cell operates at maximum power point, calculate the efficiency.

14.70%
15.70%
12.70%
13.70%

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Equation is given by:
Efficiency = (F.F*Voc*Isc)/Pin
= (0.6*3.5*0.7)/10
= 0.14702
% efficiency = 14.7 %

MGVCL Exam Paper (30-07-2021 Shift 1)
An electric potential field is produced in air by point 1 μC and 4 μC located at (-2, 1, 5) and (1, 3, -1) respectively. The energy stored in the field is

5.14 mJ
10.28 mJ
2.57 mJ
12.50 mJ

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MGVCL Exam Paper (30-07-2021 Shift 1)
The miniature circuit breaker (MCB) shown in figure is

four pole MCB
two pole MCB
three pole MCB
five pole MCB

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MGVCL Exam Paper (30-07-2021 Shift 1)
A fully controlled natural commutated 3-phase bridge rectifier is operating with a firing angle α = 30°, The peak to peak voltage ripple expressed as a ratio of the peak output dc voltage at the output of the converter bridge is

1-(√3/2)
0.5
√3 -1
√3-1

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Where,
φ is firing angle

Voltage ripple for 3-phase bridge rectifier = cos(φ) = Cos(30)
= 1/2

MORE MCQ ON MGVCL Exam Paper (30-07-2021 Shift 1)

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