A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 2 hours. What is the permissible overload for a duration of two hours. Assume the permissible load kVA as a fraction of rated kVA is 1.43.

MGVCL Exam Paper (30-07-2021 Shift 3)
A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 2 hours. What is the permissible overload for a duration of two hours. Assume the permissible load kVA as a fraction of rated kVA is 1.43.

715 kVA

1050 kVA

700 kVA

1430 kVA

715 kVA

1050 kVA

700 kVA

1430 kVA

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MGVCL Exam Paper (30-07-2021 Shift 3)
Choose the word which expresses nearly the opposite meaning of the given word "DILIGENT "

Active

Careful

Lasy

Busy

Active

Careful

Lasy

Busy

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MGVCL Exam Paper (30-07-2021 Shift 3)
નીચે પૈકી 'ઓસોડ' નો સમાનર્થી શબ્દ કયો છે?

અનરવું

ઔષધ

વૃંદા

અમર

અનરવું

ઔષધ

વૃંદા

અમર

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MGVCL Exam Paper (30-07-2021 Shift 3)
____ is the rms value of AC component of the current in the pole at the instant of contact separation.

Symmetrical short circuit current

Symmetrical breaking current

Asymmetrical breaking current

Making current

Symmetrical short circuit current

Symmetrical breaking current

Asymmetrical breaking current

Making current

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MGVCL Exam Paper (30-07-2021 Shift 3)
A DC shunt generator has an induced voltage of 220 V on open circuit. When the machine is on load the terminal voltage is 200 V. Find the load current if the field resistance is 100 Ω and armature resistance is 0.2 Ω.

98 A

102 A

96 A

104 A

98 A

102 A

96 A

104 A

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MGVCL Exam Paper (30-07-2021 Shift 3)
The current in the coil of a large electromagnet falls from 6 A to 2 A in 10 ms. The induced emf across the coil is 100 V. Find the self-inductance of the coil.

0.5 H

0.25 H

1.25 H

0.75 H

0.5 H

0.25 H

1.25 H

0.75 H

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MGVCL Exam Paper (30-07-2021 Shift 3)

MGVCL Exam Paper (30-07-2021 Shift 3) A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 2 hours. What is the permissible overload for a duration of two hours. Assume the permissible load kVA as a fraction of rated kVA is 1.43.

MGVCL Exam Paper (30-07-2021 Shift 3) Choose the word which expresses nearly the opposite meaning of the given word "DILIGENT "

MGVCL Exam Paper (30-07-2021 Shift 3) નીચે પૈકી 'ઓસોડ' નો સમાનર્થી શબ્દ કયો છે?

MGVCL Exam Paper (30-07-2021 Shift 3) ____ is the rms value of AC component of the current in the pole at the instant of contact separation.

MGVCL Exam Paper (30-07-2021 Shift 3) A DC shunt generator has an induced voltage of 220 V on open circuit. When the machine is on load the terminal voltage is 200 V. Find the load current if the field resistance is 100 Ω and armature resistance is 0.2 Ω.

MGVCL Exam Paper (30-07-2021 Shift 3) The current in the coil of a large electromagnet falls from 6 A to 2 A in 10 ms. The induced emf across the coil is 100 V. Find the self-inductance of the coil.

MGVCL Exam Paper (30-07-2021 Shift 3)
A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 2 hours. What is the permissible overload for a duration of two hours. Assume the permissible load kVA as a fraction of rated kVA is 1.43.

MGVCL Exam Paper (30-07-2021 Shift 3)
Choose the word which expresses nearly the opposite meaning of the given word "DILIGENT "

MGVCL Exam Paper (30-07-2021 Shift 3)
નીચે પૈકી 'ઓસોડ' નો સમાનર્થી શબ્દ કયો છે?

MGVCL Exam Paper (30-07-2021 Shift 3)
____ is the rms value of AC component of the current in the pole at the instant of contact separation.

MGVCL Exam Paper (30-07-2021 Shift 3)
A DC shunt generator has an induced voltage of 220 V on open circuit. When the machine is on load the terminal voltage is 200 V. Find the load current if the field resistance is 100 Ω and armature resistance is 0.2 Ω.

MGVCL Exam Paper (30-07-2021 Shift 3)
The current in the coil of a large electromagnet falls from 6 A to 2 A in 10 ms. The induced emf across the coil is 100 V. Find the self-inductance of the coil.