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MGVCL Exam Paper (30-07-2021 Shift 2)

MGVCL Exam Paper (30-07-2021 Shift 2)
The Great Barrier Reef is located in which country?

Germany
Australia
India
Canada

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MGVCL Exam Paper (30-07-2021 Shift 2)
Calculate the inductance per meter of a 50 Ω load cable that has an capacitance of 20 pF/m.

50 nH
25 nH
25 mH
50 mH

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Characteristic impedance, Z = √(L/C)
50 = √(L/20*10⁻¹²)
L = (50*50)*(20*10⁻¹²)
L = 50000*10⁻¹²
L = 50 nH

MGVCL Exam Paper (30-07-2021 Shift 2)
Magnetic tape is not practical for applications where data must be quickly recalled because tape is a/an____.

Random access medium
None of these
Sequential access medium
expensive storage medium

ANSWER DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 2)
Tree Topology

Paper size
Page Orientation
Font style
Web layout

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MGVCL Exam Paper (30-07-2021 Shift 2)
A three-phase, 4-pole, 50 Hz induction motor runs at 1425 rpm. Find out the percentage slip of the induction motor.

4%
6%
3%
5%

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Slip, s = (Ns - Nr)/Ns
Ns = 120f/P
Ns = 1500 rpm

s = (1500 - 1425)/1500
s = 0.05
%s = 5%

MGVCL Exam Paper (30-07-2021 Shift 2)
A delta-connected balanced three-phase load is supplied from a three-phase, 400 V supply. The line current is 20 A and the power taken by the load is 10 kW. Find the power factor.

0.62
0.82
0.72
0.52

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

P = 10 kW
VL = 400 V
IL = 20 A

3- phse power, P = √3*VL*IL*cosφ

cosφ = 10*1000/(√3*400*20)
= 0.7216

MORE MCQ ON MGVCL Exam Paper (30-07-2021 Shift 2)

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