MGVCL Exam Paper (30-07-2021 Shift 3)
Continuous and rapid variations in the load current magnitude which causes voltage variations is known as

Flicker
Voltage sag
Harmonics
Voltage distortion

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MGVCL Exam Paper (30-07-2021 Shift 3)
Which of the following statements are correct?
(i) Advanced metering infrastructure (AMI) is typically more automated and allows real- time, on-demand interrogations with metering endpoints.
(ii) An Automated Meter Reading (AMR) device only communicates from the customer to the energy supplier.
(iii) AMR meters only provide kWh information and possible peak kW demand for the month.

(i) and (iii) only
(i), (ii) and (iii)
(i) and (ii) only
(ii) and (iii) only

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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

the centre limb of the laminated core / the middle limb of the shunt magnet
the edges of the limb on the laminated core
both the limbs of the laminated core with same turns
both the limbs of the laminated core with different turns

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