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

MGVCL Exam Paper (30-07-2021 Shift 3)
Transistors were used in

First Generation Computers
Second Generation Computers
Fourth Generation Computers
Third Generation Computers

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MGVCL Exam Paper (30-07-2021 Shift 3)
A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 2 hours. What is the permissible overload for a duration of two hours. Assume the permissible load kVA as a fraction of rated kVA is 1.43.

700 kVA
1050 kVA
715 kVA
1430 kVA

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Permissible overload for transformer = Full load kVA*factor for permissible overload
= 1000*1.43
= 1430 kVA

MGVCL Exam Paper (30-07-2021 Shift 3)
If the phase velocity of a plane wave in a perfect dielectric is 0.4 times its value in free space, then what is the relative permittivity of the dielectric?

4.25
2.5
1.25
6.25

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The equation is given by:
Vp (Phase velocity) = (Velocity of light in free space/Phase velocity)²
= (1/0.4)²
= 6.25

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

Andhra Pradesh
Maharashtra
Tamil Nadu
Madhya Pradesh

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)
A 3 pF capacitor is charged by a constant current of 2 pA for six seconds. The voltage across the capacitor at the end of charging will be

2 V
8 V
4 V
6 V

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Equation know that the charge stored in a capacitor is given as:
Q = C*V
Q = I*t
V = (I*t)/C
= (2μ*6)/(3μ)
= 4 V

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

Application Software
Program
System software
Process

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