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

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

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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
Furanic Compound Analysis
Dissolved Metals Analysis

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MGVCL Exam Paper (30-07-2021 Shift 2)
The necessary equation to be solved during the load flow analysis using Fast-Decoupled method is given below:
where B' and B'' are formed using the imaginary part of the bus admittance matrix, Ybus. If the system consists of 6 buses of which one of the bus is slack bus and 2 bues are voltage regulated buses, then then the matrix B' is of order ____and the matrix B'' is of order____, respectivity.
∆P/|Vi| = - B'∆δ
∆Q/|Vi| = - B''∆|V|

6 and 3
3 and 6
5 and 3
3 and 5

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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 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.
ABC system requires more clearance, insulators and high maintenance.
ABC system totally eliminates the fault on lines and thereby improving the quality of supply.

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

None of these
Thermometer
Thermopile
Thermistor

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