Which is the function of Operating System?

MGVCL Exam Paper (30-07-2021 Shift 3)
Which is the function of Operating System?

Process Management

Security

All of these

Devices Management

Process Management

Security

All of these

Devices Management

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MGVCL Exam Paper (30-07-2021 Shift 3)
A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.

62.55 pF

92.55 pF

82.55 pF

72.55 pF

62.55 pF

92.55 pF

82.55 pF

72.55 pF

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MGVCL Exam Paper (30-07-2021 Shift 3)
The DC offset in fault current causes conventional over-current (OC) relays to :

sometimes under-reach and sometimes over-reach

under-reach

reach remains unaffected due to DC offset

over-reach

sometimes under-reach and sometimes over-reach

under-reach

reach remains unaffected due to DC offset

over-reach

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MGVCL Exam Paper (30-07-2021 Shift 3)
Data Encryption Standard (DES) was designed by

IBM

Apple

None of these

Microsoft

IBM

Apple

None of these

Microsoft

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MGVCL Exam Paper (30-07-2021 Shift 3)
Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 400 W and -50 W. Calculate the reactive power taken by the load

350√3 VAR

450/√3 VAR

350/√3 VAR

450√3 VAR

350√3 VAR

450/√3 VAR

350/√3 VAR

450√3 VAR

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MGVCL Exam Paper (30-07-2021 Shift 3)
In a single phase energy meter, the pressure / voltage coil is wound on

both the limbs of the laminated core with same turns

the centre limb of the laminated core / the middle limb of the shunt magnet

both the limbs of the laminated core with different turns

the edges of the limb on the laminated core

both the limbs of the laminated core with same turns

the centre limb of the laminated core / the middle limb of the shunt magnet

both the limbs of the laminated core with different turns

the edges of the limb on the laminated core

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MGVCL Exam Paper (30-07-2021 Shift 3)

MGVCL Exam Paper (30-07-2021 Shift 3) Which is the function of Operating System?

MGVCL Exam Paper (30-07-2021 Shift 3) A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.

MGVCL Exam Paper (30-07-2021 Shift 3) The DC offset in fault current causes conventional over-current (OC) relays to :

MGVCL Exam Paper (30-07-2021 Shift 3) Data Encryption Standard (DES) was designed by

MGVCL Exam Paper (30-07-2021 Shift 3) Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 400 W and -50 W. Calculate the reactive power taken by the load

MGVCL Exam Paper (30-07-2021 Shift 3) In a single phase energy meter, the pressure / voltage coil is wound on

MGVCL Exam Paper (30-07-2021 Shift 3)
Which is the function of Operating System?

MGVCL Exam Paper (30-07-2021 Shift 3)
A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.

MGVCL Exam Paper (30-07-2021 Shift 3)
The DC offset in fault current causes conventional over-current (OC) relays to :

MGVCL Exam Paper (30-07-2021 Shift 3)
Data Encryption Standard (DES) was designed by

MGVCL Exam Paper (30-07-2021 Shift 3)
Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 400 W and -50 W. Calculate the reactive power taken by the load

MGVCL Exam Paper (30-07-2021 Shift 3)
In a single phase energy meter, the pressure / voltage coil is wound on