Consider the following two statements and choose the correct answer.<br/>Statement 1: The V-curves of a synchronous motor show relationship between armature current and supply voltage.<br/>Statement 2: The plot of power factor against the field current of synchronous motor is known as inverted V curves.

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.

Both Statement 1 and Statement 2 are TRUE

Both Statement 1 and Statement 2 are FALSE

Statement 1 is FALSE and Statement 2 is TRUE

Statement 1 is TRUE and Statement 2 is FALSE

Both Statement 1 and Statement 2 are TRUE

Both Statement 1 and Statement 2 are FALSE

Statement 1 is FALSE and Statement 2 is TRUE

Statement 1 is TRUE and Statement 2 is FALSE

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MGVCL Exam Paper (30-07-2021 Shift 1)
As per _ guidelines, if the ratio of carbon dioxide (CO₂) and carbon monoxide (CO) in dissolved gas analysis is _, it is predicted that the condition of paper insulation inside the transformer is poor.

IEC-899, less than 11

IEC-899, more than 11

IEC-599, more than 11

IEC-599, less than 11

IEC-899, less than 11

IEC-899, more than 11

IEC-599, more than 11

IEC-599, less than 11

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MGVCL Exam Paper (30-07-2021 Shift 1)
A single phase motor connected to 400 V, 50 Hz supply takes 30 A at a power factor of 0.7 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.9 lagging.

89.5 μF

99.5 μF

69.5 μF

79.5 μF

89.5 μF

99.5 μF

69.5 μF

79.5 μF

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MGVCL Exam Paper (30-07-2021 Shift 1)
Determine the ohmic value of the current limiting reactor per phase external to a 30 MVA, 11 kV, 50 Hz, three phase synchronous generator which can limit the current on short circuit of 5 times the full load current. The reactance of the synchronous generator is 0.05 pu.

0.805 Ω

0.605 Ω

0.405 Ω

0.305 Ω

0.805 Ω

0.605 Ω

0.405 Ω

0.305 Ω

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MGVCL Exam Paper (30-07-2021 Shift 1)
For protection of inter-turn fault in transformer, the relays preferred are

Buchholz's relay and differential relay

Buchholz's relay, overcurrent relay and differential relay

Overcurrent relay and differential relay

Overcurrent relay and Buchholz's relay

Buchholz's relay and differential relay

Buchholz's relay, overcurrent relay and differential relay

Overcurrent relay and differential relay

Overcurrent relay and Buchholz's relay

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MGVCL Exam Paper (30-07-2021 Shift 1)
જ્યાં ઉપમેયનો ઉલ્લેખ જ કરવામાં ન આવે અને ઉપમાન જ ઉપમેય હોય ત્યારે દ્રષ્ટાંત અલંકાર બને છે. - આ કથન સત્ય છે કે નહિ અને જો ખોટું હોય તો સત્ય કથન કયું હોઈ શકે?

ખોટું છે,જ્યાં ઉપમેયનો ઉલ્લેખ જ કરવામાં ન આવે અને ઉપમાન જ ઉપમેય હોય ત્યારે વિરોધાભાસ અલંકાર બને છે

ખોટું છે,જ્યાં ઉપમેયનો ઉલ્લેખ જ કરવામાં ન આવે અને ઉપમાન જ ઉપમેય હોય ત્યારે અતિશયોક્તિ અલંકાર બને છે

સાચું છે.

ખોટું છે,જ્યાં ઉપમેયનો ઉલ્લેખ જ કરવામાં ન આવે અને ઉપમાન જ ઉપમેય હોય ત્યારે અનન્વય અલંકાર બને છે

ખોટું છે,જ્યાં ઉપમેયનો ઉલ્લેખ જ કરવામાં ન આવે અને ઉપમાન જ ઉપમેય હોય ત્યારે વિરોધાભાસ અલંકાર બને છે

ખોટું છે,જ્યાં ઉપમેયનો ઉલ્લેખ જ કરવામાં ન આવે અને ઉપમાન જ ઉપમેય હોય ત્યારે અતિશયોક્તિ અલંકાર બને છે

સાચું છે.

ખોટું છે,જ્યાં ઉપમેયનો ઉલ્લેખ જ કરવામાં ન આવે અને ઉપમાન જ ઉપમેય હોય ત્યારે અનન્વય અલંકાર બને છે

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

MGVCL Exam Paper (30-07-2021 Shift 1) As per ___ guidelines, if the ratio of carbon dioxide (CO₂) and carbon monoxide (CO) in dissolved gas analysis is ___, it is predicted that the condition of paper insulation inside the transformer is poor.

MGVCL Exam Paper (30-07-2021 Shift 1) A single phase motor connected to 400 V, 50 Hz supply takes 30 A at a power factor of 0.7 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.9 lagging.

MGVCL Exam Paper (30-07-2021 Shift 1) For protection of inter-turn fault in transformer, the relays preferred are

MGVCL Exam Paper (30-07-2021 Shift 1)
As per _ guidelines, if the ratio of carbon dioxide (CO₂) and carbon monoxide (CO) in dissolved gas analysis is _, it is predicted that the condition of paper insulation inside the transformer is poor.

MGVCL Exam Paper (30-07-2021 Shift 1)
A single phase motor connected to 400 V, 50 Hz supply takes 30 A at a power factor of 0.7 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.9 lagging.

MGVCL Exam Paper (30-07-2021 Shift 1)
For protection of inter-turn fault in transformer, the relays preferred are