MGVCL Exam Paper (30-07-2021 Shift 2)
The operating time of an inverse definite minimum time (IDMT) overcurrent relay is ____ proportional to the plug-setting multiplier (PSM) and____proportional to the time-multiplier setting (TMS).

directly, inversely
inversely, inversely
directly, directly
inversely, directly

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MGVCL Exam Paper (30-07-2021 Shift 2)
Interposing current-transformer (CT) is used in differential protection of a transformer to

minimize the effect of saturation of the main CTs
increase the sensitivity of the relay
match the standard ratio of CTs used on both sides of the transformer winding
limit the main CT secondary current

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

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
The wind speed increases with height because of

reduction in lift effect of the air
reduction of drag effect of the earth surface
enhancement of drag effect on the earth surface
reduction in the gravitational force

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