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

MGVCL Exam Paper (30-07-2021 Shift 3)
Arunachal Pradesh does not share its borders with which one of the following nations?

Bangladesh
Myanmar
China
Bhutan

ANSWER DOWNLOAD EXAMIANS APP

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Characteristic impedance = √(impedance/admittance) = 1.73

MGVCL Exam Paper (30-07-2021 Shift 3)
Find the word which is correctly spelt from the given options.

Obecity
Seriuous
Syndrome
Abolishid

ANSWER DOWNLOAD EXAMIANS APP

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)
Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 400 W and -50 W. Calculate the reactive power taken by the load

450/√3 VAR
350√3 VAR
450√3 VAR
350/√3 VAR

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Reactive power taken (Q) = √3*(W1 - W2)
= √3*(450 + 50)
= √3*450 kVAR

MGVCL Exam Paper (30-07-2021 Shift 3)
The threshold voltage of an N-channel enhancement mode MOSFET is 0.5 V. When the device is biased at a gate voltage of 3 V, pinch-off would occur at a drain voltage of

4.5 V
3.5 V
1.5 V
2.5 V

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Equation is given by:
Vds = Vgs - Vt
Vds = 3 - 0.5
Vds = 2.5 V

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

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