MGVCL Exam Paper (30-07-2021 Shift 2)
Thermocouples can be connected in series/parallel to obtain greater sensitivity called as

Thermopile
None of these
Thermistor
Thermometer

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MGVCL Exam Paper (30-07-2021 Shift 2)
Consider a solar PV plant with the following specific conditions: Analysis period: 1 year
Measured average solar irradiation intensity in 1 year: 120 kWh/m²
Generator area of the PV plant: 10 m²
Efficiency factor of the PV modules: 15%
Electrical energy actually exported by plant to grid: 110 kWh
Calculate the performance ratio.

0.5111
0.8111
0.7111
0.6111

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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

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of these is not a monitoring and diagnostic test for transformer oil?

Volatility Level Analysis
Dissolved Gas Analysis
Dissolved Metals Analysis
Furanic Compound Analysis

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of the following statement with respect to Aerial Bunched Cables (ABC) system is TRUE?

ABC system requires more clearance, insulators and high maintenance.
ABC system totally eliminates the fault on lines and thereby improving the quality of supply.
ABC system is not suitable for rural electrification which are situated in difficult terrain, hills, forests and coastal areas.
The overall cost of the ABC system is very high as compared to the bare conductor system.

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