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)
In the context of smart meters, the term 'SMETS' stand for

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
____are long-term (hours-long) voltage sags caused by system overload.

Brownouts
Voltage surges
Black outs
Voltage dips

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