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

MGVCL Exam Paper (30-07-2021 Shift 1)
Choose the best option from the given alternatives which can be substituted for the given word/sentence

A disease prevailing in a locality

Epic
Habitat
Endemic
Host

ANSWER DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 1)
The operating time of an inverse definite minimum time (IDMT) overcurrent relay corresponding to plug-setting multiplier (PSM) = 1 and time-multiplier setting (TMS) = 1 will be

zero
infinite
3 sec
1 sec

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Equation of operating time for IDMT relay (t) = 0.14*TMS/[(PSM^0.02) - 1]
Here,
PSM = TMS = 1
So,
t = 0.14*1/(1 - 1)
t = infinite

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 OFF
D1 ON, D2 OFF, D3 ON
D1 OFF, D2 ON, 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)
માણસ: ઘર :: પશુ :

ગુફા
અંતરિક્ષ
આકાશ
પાતાળ

ANSWER DOWNLOAD EXAMIANS APP

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.

4.125
5.125
3.125
2.125

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)
By inserting a plate of dielectric material between the plates of a parallel plate capacitor at constant potential, the energy stored in the capacitor is increased five times. The dielectric constant of the material is

1/25
1/5
5
25

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Energy stored by capacitor, Q = ½CV²
Dielectric constant is directly proportional to C and capacitance is proportional to the dielectrical constant

MORE MCQ ON MGVCL Exam Paper (30-07-2021 Shift 1)

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