MGVCL Exam Paper (30-07-2021 Shift 2)
The expression for voltage regulation of a short transmission line for leading power factor is given by: ____, where, 'I' is the line current, 'V_r' is the receiving end voltage, 'R' is the line resitance and 'X' is the line reactance.

(IXcosφ_r - IRsinφ_r)/V_r
(IXcosφ_r + IRsinφ_r)/V_r
(IRcosφ_r - IXsinφ_r)/V_r
(IRcosφ_r + IXsinφ_r)/V_r

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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

Thermopile
Thermistor
None of these
Thermometer

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MGVCL Exam Paper (30-07-2021 Shift 2)
Consider the following statements associated with Buchholz's relays.
Statement 1: Buchholz's relay is a current operated device.
Statement 2 : Buchholz's relay is placed between the transformer tank and the conservator.

Both Statement 1 and Statement 2 are FALSE
Statement 1 is FALSE and Statement 2 is TRUE
Both Statement 1 and Statement 2 are TRUE
Statement 1 is TRUE and Statement 2 is FALSE

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