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MGVCL Exam Paper (30-07-2021 Shift 1)

MGVCL Exam Paper (30-07-2021 Shift 1)
An RLC series circuit consists of R = 16 Ω, L = 5 mH and C = 2 μF. Calculate the quality factor.

3.125
2.125
4.125
5.125

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

For series RLC circuit,
Q = (1/R)*√(L/C)
Q = 1/16*√(5 mH/2 μF)
Q = 50/16
Q = 3.125

MGVCL Exam Paper (30-07-2021 Shift 1)
Which of the following is an independent malicious program that spread copies of itself from computer to computer?

Trojan horse
Worm
Virus
Trap door

ANSWER DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 1)
What are the states of the three ideal diodes of the circuit shown in figure ?

D1 OFF, D2 ON, D3 ON
D1 ON, D2 OFF, D3 ON
D1 OFF, D2 ON, D3 OFF
D1 ON, D2 OFF, D3 OFF

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

For the given circuit shown in figure,
D1 is forward bias mode - On state
D2 is in reverse bias mode - off state
D3 is in reverse bias mode - off state.

MGVCL Exam Paper (30-07-2021 Shift 1)
An alternator is supplying load of 300 kW at a power factor of 0.5 lagging. If the power factor is raised to unity, how many more kilowatts can alternator supply for the same kVA loading?

450 kW
600 kW
300 kW
150 kW

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

P = S*cosφ
S = P/cosφ
S = 300/0.5
S = 600 kVA
For same kVA rating and unity power factor,
P = 600*1
P = 600 kW
Pextra = 600 - 300
Pextra = 300 kW

MGVCL Exam Paper (30-07-2021 Shift 1)
What is the full form of the acronym 'BCCI' in sports?

Board of Control for Cricket in India
Board of Common Cricket in International
Board of Cricket Committee in India
Board of Cricket Commentary in International

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MGVCL Exam Paper (30-07-2021 Shift 1)
નીચે પૈકી 'અચરજ'નો પર્યાયી શબ્દ ક્યો છે?

વિસ્મય
જગત
રજ
શાશ્વત

ANSWER DOWNLOAD EXAMIANS APP
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