MGVCL EXAM PAPER (30-07-2021 SHIFT 2) QUIZ

A given solar cell has the following specifications: Open-circuit voltage, Voc: 0.7 V Short-circuit current, Isc: 3 A Voltage at maximum power, Vmp: 0.5 V Current at maximum power, Imp : 2.65 A Calculate the fill factor.

0.63

1.58

1.23

0.81

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following is the largest windfarm located in India?

Muppandal

Talcher

Mundra

Vindhayachal

TRUE ANSWER : ?
YOUR ANSWER : ?

The miniature circuit breaker (MCB) with Class D trip characteristics trips instantaneously when the current flowing through it reaches ____ the rated current.

between 3 to 5 times

between 2 to 3 times

between 5 to 10 times

between 10 to 20 times

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is linux operating system?

IBM-AIX

MacOS

Fedora

HP-UX

TRUE ANSWER : ?
YOUR ANSWER : ?

નીચે પૈકી કયો 'દાદુર' નો સમાનર્થી નથી

મેડક

દેડકો

દર્દુર

સુમાર

TRUE ANSWER : ?
YOUR ANSWER : ?

A power factor less than unity results in which of the following disadvantages? (i) Large kVA rating of equipment (ii)Poor voltage regulation (iii) Greater conductor size

(i) and (iii) only

(i), (ii) and (iii)

(i) and (ii) only

(ii) and (iii) only

TRUE ANSWER : ?
YOUR ANSWER : ?

A three-phase 400 V, 6-pole, 50 Hz squirrel-cage induction motor is running at a slip of 5%. The speed of rotor with respect to stator magnetic field and speed of the stator magnetic field with respect to rotor magnetic field are

950 rpm, 1000 rpm

-50 rpm, 1000 rpm

950 rpm, zero

-50 rpm, zero

TRUE ANSWER : ?
YOUR ANSWER : ?

A 3-phase motor load has a p.f. of 0.397 lagging. The two wattmeter method used to measure power show the input as 30 kW. Find the reading on each wattmeter.

W1 = 5 kW and W2 = 25 kW

W1 = -10 kW and W2 = 40 kW

W1 = -5 kW and W2 = 35 kW

W1 = 10 kW and W2 = 20 kW

TRUE ANSWER : ?
YOUR ANSWER : ?

A single phase motor connected to 415 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.

66.32 µF

76.32 µF

96.32 µF

86.32 µF

TRUE ANSWER : ?
YOUR ANSWER : ?

In a single phase energy meter, the shunt electromagnet is energized by a of

current coil, thick wire of few turns

pressure coil, thin wire of more turns

pressure coil, thick wire of few turns

current coil, thin wire of more turns

TRUE ANSWER : ?
YOUR ANSWER : ?

A given solar cell has the following specifications:<br/>Open-circuit voltage, Voc: 0.7 V<br/>Short-circuit current, Isc: 3 A<br/>Voltage at maximum power, Vmp: 0.5 V<br/>Current at maximum power, Imp : 2.65 A<br/>Calculate the fill factor.

Which one of the following is the largest windfarm located in India?

The miniature circuit breaker (MCB) with Class D trip characteristics trips instantaneously when the current flowing through it reaches ____ the rated current.

Which of the following is linux operating system?

નીચે પૈકી કયો 'દાદુર' નો સમાનર્થી નથી

A power factor less than unity results in which of the following disadvantages?<br/>(i) Large kVA rating of equipment<br/>(ii)Poor voltage regulation<br/>(iii) Greater conductor size

A three-phase 400 V, 6-pole, 50 Hz squirrel-cage induction motor is running at a slip of 5%. The speed of rotor with respect to stator magnetic field and speed of the stator magnetic field with respect to rotor magnetic field are

A 3-phase motor load has a p.f. of 0.397 lagging. The two wattmeter method used to measure power show the input as 30 kW. Find the reading on each wattmeter.

A single phase motor connected to 415 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.

In a single phase energy meter, the shunt electromagnet is energized by a of