MGVCL Exam Paper (30-07-2021 Shift 1)

MGVCL Exam Paper (30-07-2021 Shift 1)
In which of the following States, Tarapur Nuclear Power Plant is located?

Assam

Bihar

Uttar Pradesh

Maharashtra

Assam

Bihar

Uttar Pradesh

Maharashtra

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MGVCL Exam Paper (30-07-2021 Shift 1)
A thermistor is inherently suitable for temperature measurement involving

high span and low sensitivity

low span and high sensitivity

high span and high sensitivity

low span and low sensitivity

high span and low sensitivity

low span and high sensitivity

high span and high sensitivity

low span and low sensitivity

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MGVCL Exam Paper (30-07-2021 Shift 1)
The expression for voltage regulation of a short transmission line for lagging power factor is given by: ___, where, 'I' is the line current, 'V_r' is the receiving end voltage, 'R' is the line resistance and 'X' is the line reactance.

(IR cosφ_r + IX sinφ_r)/V_r

(IX cosφ_r + IR sinφ_r)/V_r

(IR cosφ_r - IX sinφ_r)/V_r

(IX cosφ_r - IR sinφ_r)/V_r

(IR cosφ_r + IX sinφ_r)/V_r

(IX cosφ_r + IR sinφ_r)/V_r

(IR cosφ_r - IX sinφ_r)/V_r

(IX cosφ_r - IR sinφ_r)/V_r

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MGVCL Exam Paper (30-07-2021 Shift 1)
Consider the following two statements and choose the correct answer.
Statement 1: The V-curves of a synchronous motor show relationship between armature current and supply voltage.
Statement 2: The plot of power factor against the field current of synchronous motor is known as inverted V curves.

Statement 1 is TRUE and Statement 2 is FALSE

Statement 1 is FALSE and Statement 2 is TRUE

Both Statement 1 and Statement 2 are TRUE

Both Statement 1 and Statement 2 are FALSE

Statement 1 is TRUE and Statement 2 is FALSE

Statement 1 is FALSE and Statement 2 is TRUE

Both Statement 1 and Statement 2 are TRUE

Both Statement 1 and Statement 2 are FALSE

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MGVCL Exam Paper (30-07-2021 Shift 1)
Three equal star-connected inductors take 8 kW at 0.8 power factor when connected to a 460 V three - phase 3-wire supply. If one of the inductor in phase – Y is short circuited, then the line current in phase-Y is ___ Assume RYB sequence.

27.6 A

21.7 A

31.7 A

37.6 A

27.6 A

21.7 A

31.7 A

37.6 A

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MGVCL Exam Paper (30-07-2021 Shift 1)
A 16 A, Type B Miniature Circuit Breaker (MCB) will disconnect a fault in 0.1s when the fault current is

greater than 32 A

less than 16 A

less than 16 A

between 48 A and 80 A

greater than 32 A

less than 16 A

less than 16 A

between 48 A and 80 A

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