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

MGVCL Exam Paper (30-07-2021 Shift 1)
1 terabyte is equal to

None of these
1024 bytes
1024 kilobytes
1024 gigabytes

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MGVCL Exam Paper (30-07-2021 Shift 1)
A fully controlled natural commutated 3-phase bridge rectifier is operating with a firing angle α = 30°, The peak to peak voltage ripple expressed as a ratio of the peak output dc voltage at the output of the converter bridge is

0.5
√3 -1
√3-1
1-(√3/2)

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Where,
φ is firing angle

Voltage ripple for 3-phase bridge rectifier = cos(φ) = Cos(30)
= 1/2

MGVCL Exam Paper (30-07-2021 Shift 1)
જ્વાળા: ધુમાડો:: બરફ : ___

શીતળતા
તાપમાન
ગરમી
બાષ્પ

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MGVCL Exam Paper (30-07-2021 Shift 1)
At what range of wind speed is the electricity from the wind turbine is generated?

30-35 mph
250 – 450 mph
450 – 650 mph
100 – 125 mph

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For small turbine starts generating power 12.6 kph (3.5 m/s) is the typical cut-in speed.
At 36–54 kph (10–15 m/s) produces maximum generation power.
At 90 kph (25 m/s) maximum, the turbine is stopped or braked.

MGVCL Exam Paper (30-07-2021 Shift 1)
The power factor angle of a purely inductive circuit is

60°
90°
45°
30°

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Power factor for purely inductive circuit is 0 and power factor angle is 90 degree.
Power factor for purely capacitive circuit is 0 and power factor angle is 90 degree
Power factor for purely resistive circuit is 1 and power factor angle is 0 degree

MGVCL Exam Paper (30-07-2021 Shift 1)
Recently, India signed first ever term contract to import crude oil with which country?

Russia
Nepal
China
Japan

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

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