___ is the short time reduction in the rms voltage between 0.1 to 0.9 p.u for a duration of ___

MGVCL Exam Paper (30-07-2021 Shift 1)
_ is the short time reduction in the rms voltage between 0.1 to 0.9 p.u for a duration of _

Voltage swell, 0.5 cycle to 1 minute.

Voltage swell, greater than 1 minute

Voltage sag, 0.5 cycle to 1 minute.

Voltage sag, greater than 1 minute

Voltage swell, 0.5 cycle to 1 minute.

Voltage swell, greater than 1 minute

Voltage sag, 0.5 cycle to 1 minute.

Voltage sag, greater than 1 minute

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MGVCL Exam Paper (30-07-2021 Shift 1)
A transformer designed for operation at 60 Hz supply is working at 50 Hz supply system without changing its voltage and current ratings. Compared to the full load efficiency at 60 Hz, the full load transformer efficiency at 50 Hz.

remains unaltered

increases by 30%

increases marginally

decreases marginally

remains unaltered

increases by 30%

increases marginally

decreases marginally

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MGVCL Exam Paper (30-07-2021 Shift 1)
Replace the underlined phrase in braket grammatically and conceptually with the help of the given options. If the given sentence is correct then select the option 'The given sentence is correct'.

The new client had to pay money to initiates a account and activate their service

have to pay money to initiate an

had to pay money to initiate an

The given sentence is correct

had to pay money to initiate a

have to pay money to initiate an

had to pay money to initiate an

The given sentence is correct

had to pay money to initiate a

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MGVCL Exam Paper (30-07-2021 Shift 1)
In the following question, one part of the sentence may have an error. Find out which part of the sentence has an error and select the option corresponding to it. If the sentence contains no error, Select "No error'' option. (Avoid punctuation errors)

(A) Bubin together with / (B) her parents are coming / (C) to attend the party. / (D) NO ERROR

B

A

C

D

B

A

C

D

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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

less than 16 A

greater than 32 A

between 48 A and 80 A

less than 16 A

greater than 32 A

between 48 A and 80 A

less than 16 A

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MGVCL Exam Paper (30-07-2021 Shift 1)
The current flowing to a balanced delta connected load through line 'a' is 15 A when the conductor of line 'b' is open. With the current in line 'a' as reference, compute the symmetrical components of the line currents. Assume the phase sequence of 'abc'.

Ia₀ = 0 AIa₁ = (7.5 + j4.33) AIa₂ = (-7.5 - j4.33) A

Ia₀ = 0 AIa₁ = (7.5 - j13) AIa₂ = (7.5 + j13) A

Ia₀ = 0 AIa₁ = (7.5 + j4.33) AIa₂ = (7.5 - j 4.33) A

Ia₀ = 0 AIa₁ = (-7.5 - j13) AIa₂ = (-7.5 - j4.33) A

Ia₀ = 0 AIa₁ = (7.5 + j4.33) AIa₂ = (-7.5 - j4.33) A

Ia₀ = 0 AIa₁ = (7.5 - j13) AIa₂ = (7.5 + j13) A

Ia₀ = 0 AIa₁ = (7.5 + j4.33) AIa₂ = (7.5 - j 4.33) A

Ia₀ = 0 AIa₁ = (-7.5 - j13) AIa₂ = (-7.5 - j4.33) A

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

MGVCL Exam Paper (30-07-2021 Shift 1) ___ is the short time reduction in the rms voltage between 0.1 to 0.9 p.u for a duration of ___

MGVCL Exam Paper (30-07-2021 Shift 1) A transformer designed for operation at 60 Hz supply is working at 50 Hz supply system without changing its voltage and current ratings. Compared to the full load efficiency at 60 Hz, the full load transformer efficiency at 50 Hz.

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

MGVCL Exam Paper (30-07-2021 Shift 1) The current flowing to a balanced delta connected load through line 'a' is 15 A when the conductor of line 'b' is open. With the current in line 'a' as reference, compute the symmetrical components of the line currents. Assume the phase sequence of 'abc'.

MGVCL Exam Paper (30-07-2021 Shift 1)
_ is the short time reduction in the rms voltage between 0.1 to 0.9 p.u for a duration of _

MGVCL Exam Paper (30-07-2021 Shift 1)
A transformer designed for operation at 60 Hz supply is working at 50 Hz supply system without changing its voltage and current ratings. Compared to the full load efficiency at 60 Hz, the full load transformer efficiency at 50 Hz.

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

MGVCL Exam Paper (30-07-2021 Shift 1)
The current flowing to a balanced delta connected load through line 'a' is 15 A when the conductor of line 'b' is open. With the current in line 'a' as reference, compute the symmetrical components of the line currents. Assume the phase sequence of 'abc'.