A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.

MGVCL Exam Paper (30-07-2021 Shift 3)
A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.

82.55 pF

92.55 pF

72.55 pF

62.55 pF

82.55 pF

92.55 pF

72.55 pF

62.55 pF

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)
The sites where the capacity factor is ____ are not considered suitable for wind power generation.

less than 24%

less than 12%

greater than 24%

greater than 12%

less than 24%

less than 12%

greater than 24%

greater than 12%

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)
In two-part tariff, the charges depend upon the maximum demand of the consumer and the charges depend upon the number of units consumed by the consumer.

running, fixed

fixed, running

semi-fixed, running

fixed, semi-fixed

running, fixed

fixed, running

semi-fixed, running

fixed, semi-fixed

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)
Consider a solar PV plant with the following specific conditions:
Analysis period: 1 year
Measured average solar irradiation intensity in 1 year: 150 kWh/m²
Generator area of the PV plant: 10 m² Efficiency factor of the PV modules: 15%
Electrical energy actually exported by plant to grid: 135 kWh
Calculate the performance ratio.

75%

80%

60%

50%

75%

80%

60%

50%

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)
What items should be considered when looking at a site for a new transformer installation?

Environmental impact

Site Survey

Soils Report

All of these

Environmental impact

Site Survey

Soils Report

All of these

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)
In a series RLC circuit, the supply voltage is 230 V at 50 Hz. The resonant current is 2 A at the resonant frequency of 50 Hz. Under the resonant condition, the voltage across the capacitor is measured to be equal to 460 V. What are the values of L and C?

0.73 mH and 13.85 pF

0.73 H and 13.85 pF

0.53 H and 15.83 pF

0.53 mH and 15.83 pF

0.73 mH and 13.85 pF

0.73 H and 13.85 pF

0.53 H and 15.83 pF

0.53 mH and 15.83 pF

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

MGVCL Exam Paper (30-07-2021 Shift 3) A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.

MGVCL Exam Paper (30-07-2021 Shift 3) The sites where the capacity factor is ____ are not considered suitable for wind power generation.

MGVCL Exam Paper (30-07-2021 Shift 3) In two-part tariff, the ____ charges depend upon the maximum demand of the consumer and the ____ charges depend upon the number of units consumed by the consumer.

MGVCL Exam Paper (30-07-2021 Shift 3) What items should be considered when looking at a site for a new transformer installation?

MGVCL Exam Paper (30-07-2021 Shift 3) In a series RLC circuit, the supply voltage is 230 V at 50 Hz. The resonant current is 2 A at the resonant frequency of 50 Hz. Under the resonant condition, the voltage across the capacitor is measured to be equal to 460 V. What are the values of L and C?

MGVCL Exam Paper (30-07-2021 Shift 3)
A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.

MGVCL Exam Paper (30-07-2021 Shift 3)
The sites where the capacity factor is ____ are not considered suitable for wind power generation.

MGVCL Exam Paper (30-07-2021 Shift 3)
In two-part tariff, the charges depend upon the maximum demand of the consumer and the charges depend upon the number of units consumed by the consumer.

MGVCL Exam Paper (30-07-2021 Shift 3)
What items should be considered when looking at a site for a new transformer installation?

MGVCL Exam Paper (30-07-2021 Shift 3)
In a series RLC circuit, the supply voltage is 230 V at 50 Hz. The resonant current is 2 A at the resonant frequency of 50 Hz. Under the resonant condition, the voltage across the capacitor is measured to be equal to 460 V. What are the values of L and C?