MGVCL Exam Paper (30-07-2021 Shift 2)
Operating system is

a layer between the user and the hardware
a program that runs during log off
a program that runs during log off
a program that runs for short duration

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MGVCL Exam Paper (30-07-2021 Shift 2)
A circular loop has its radius increasing at a rate of 2 m/s. The loop is placed perpendicular to a constant magnetic field of 0.1 Wb/m². When the radius of the loop is 2 m, the emf induced in the loop will be

0.4π V
0.2π V
0.8π V
zero

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MGVCL Exam Paper (30-07-2021 Shift 2)
In the context of smart meters, the term 'SMETS' stand for

Standard Monitoring Equipment Technical Specifications
Standard Metering Equipment Technical Specifications
Smart Metering Equipment Technical Specifications
Smart Monitoring Equipment Technical Specifications

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MGVCL Exam Paper (30-07-2021 Shift 2)
If no load is connected to solar PV system,

its voltage will go on increasing till its breakdown
it will stop absorbing light
it will dissipate energy in the panel and increase its temperature
it will start reflecting the light

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MGVCL Exam Paper (30-07-2021 Shift 2)
A three-phase 400 V, 6-pole, 50 Hz squirrel-cage induction motor is running at a slip of 5%. The speed of rotor with respect to stator magnetic field and speed of the stator magnetic field with respect to rotor magnetic field are

950 rpm, 1000 rpm
-50 rpm, zero
950 rpm, zero
-50 rpm, 1000 rpm

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