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

MGVCL Exam Paper (30-07-2021 Shift 3)
Job, in operating system refers to

Process
System software
Program
Application Software

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MGVCL Exam Paper (30-07-2021 Shift 3)
In a power network, 375 kV is recorded at a 400 kV bus. A 45 MVAR, 400 kV shunt reactor is connected to the bus. What is the reactive power absorbed by the shunt reactor?

39.55 MVAR
59.55 MVAR
69.55 MVAR
49.55 MVAR

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Q = V²/X
X = 400²/45
= 3555.55 ohm
For 375 kV,
Q = 375²/3555.55
= 39.55 kVAR

MGVCL Exam Paper (30-07-2021 Shift 3)
Which state is the largest producer of wind energy in India?

Andhra Pradesh
Tamil Nadu
Madhya Pradesh
Maharashtra

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Rank - State - Capaciy
1 - Tamilnadu - 7.5 GW
2 - Maharastra - 5 GW
3 - Karnataka - 4.8 GW
4 - Rajsthan - 4.3 GW

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

current
emf
flow rate
temperature

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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 DC shunt generator has an induced voltage of 220 V on open circuit. When the machine is on load the terminal voltage is 200 V. Find the load current if the field resistance is 100 Ω and armature resistance is 0.2 Ω.

102 A
104 A
96 A
98 A

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Voltage equation for Dc shunt generator,
Eb = V + Ia*Ra
V = Ish*Rsh
Ish = 200/100
= 2 A
Eb = V + Ia*Ra
20 = Ia*Ra
Ia = 20/0.2
= 100 A
I = 100 - 2
= 98 A

MGVCL Exam Paper (30-07-2021 Shift 3)
The maximum value of power factor is ____ and it exists in a pure____ circuit.

0.866, resistive
1, resistive
1, inductive
0.866, inductive

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Value of power factor is varies from 0 to 1.
R→PF = 1
L→PF = 0 lag
C→PF = 0 lead
R-L→0 lag < PF < 1
R-C→0 lead < PF < 1
R-C-L→depends on value of R, L and C. PF = R/Z

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

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