A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp?

Electrical Machines
A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp?

30 V.

90 V.

40 V.

60 V.

30 V.

90 V.

40 V.

60 V.

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Electrical Machines
In an induction motor, the no-load slip is generally equal to

zero.

less than 1 %.

1.5 %.

4 %.

zero.

less than 1 %.

1.5 %.

4 %.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC machine, the armature windings are placed on the rotor because of necessity for

commutation.

development of torque.

generation of voltage.

electromechanical energy conversion.

commutation.

development of torque.

generation of voltage.

electromechanical energy conversion.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following induction motor has the highest starting torque?

Squirrel cage induction motor.

Slip ring induction motor.

None of these

Same in both induction motors.

Squirrel cage induction motor.

Slip ring induction motor.

None of these

Same in both induction motors.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Maximum power will be developed when back emf is

All of these

half of the supply voltage.

equal to supply voltage.

double the supply voltage.

All of these

half of the supply voltage.

equal to supply voltage.

double the supply voltage.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Open circuit test on transformer gives

copper loss

eddy current loss

hysteresis loss

both 1and 2

copper loss

eddy current loss

hysteresis loss

both 1and 2

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines

Electrical Machines A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp?

Electrical Machines In an induction motor, the no-load slip is generally equal to

Electrical Machines In DC machine, the armature windings are placed on the rotor because of necessity for

Electrical Machines Which of the following induction motor has the highest starting torque?

Electrical Machines Maximum power will be developed when back emf is

Electrical Machines Open circuit test on transformer gives

Electrical Machines
A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp?

Electrical Machines
In an induction motor, the no-load slip is generally equal to

Electrical Machines
In DC machine, the armature windings are placed on the rotor because of necessity for

Electrical Machines
Which of the following induction motor has the highest starting torque?

Electrical Machines
Maximum power will be developed when back emf is

Electrical Machines
Open circuit test on transformer gives