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MGVCL Exam Paper (30-07-2021 Shift 3)

MGVCL Exam Paper (30-07-2021 Shift 3)
What is the value of the characteristic impedance of a transmission line with impedance and admittance of 15 and 5?

1.732
1.414
0.7.7
0.577

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Characteristic impedance = √(impedance/admittance) = 1.73

MGVCL Exam Paper (30-07-2021 Shift 3)
Thermopile is used for the measurement of

emf
temperature
current
flow rate

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The function of a thermopile is to transfer the heat radiation emitted from the object to a voltage output.
The output is in the range of tens or hundreds of millivolts.
Thermopiles are used to provide an output in response to temperature as part of a temperature measuring device

MGVCL Exam Paper (30-07-2021 Shift 3)
A 200/400 V, 20 kVA, 2-winding transformer is connected as an auto-transformer to transform 600 V to 200 V. Calculate the kVA rating of the auto-transformer.

50 kVA
25 kVA
30 kVA
60 kVA

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Here auto transformer change voltage from 600 V to 200 V.
Voltage ratio (a) = 600/200 = 3
kVA rating of the auto-transformer = (a/(a - 1))*(kVA rating of auto transformer)
= (3/2)*20
= 30 kVA

MGVCL Exam Paper (30-07-2021 Shift 3)
When was the Constitution of India adopted by the Constituent Assembly?

January 25 1930
15th August 1947
13th January 1950
26th November 1949

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MGVCL Exam Paper (30-07-2021 Shift 3)
Rearrange the following to form a meaningful sentence and find the most logical order from the given options.
P: globally, out of which over 200 million
Q: are now in India, and
R: flipkart has 700 million users
S: growing exponentially

RPQS
PQRS
RSQP
RPSQ

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MGVCL Exam Paper (30-07-2021 Shift 3)
What items should be considered when looking at a site for a new transformer installation?

Soils Report
Site Survey
Environmental impact
All of these

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Points should be consider for new transformer installation:
Location
Environmental impact
Soils condition
Survey of land
Ventilation
Grounding
Wiring
Fluid check
Inspection

MORE MCQ ON MGVCL Exam Paper (30-07-2021 Shift 3)

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