A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point.

Electrical Machines
A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point.

33.33 Amp.

43 Amp.

29 Amp.

44.47 Amp.

33.33 Amp.

43 Amp.

29 Amp.

44.47 Amp.

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Electrical Machines
Reversing the direction of rotation of split phase motors is done by

reversing the terminals of main winding.

reversing the terminals of starting winding.

interchanging the capacitor from starting winding to main winding or vice versa.

All of these

reversing the terminals of main winding.

reversing the terminals of starting winding.

interchanging the capacitor from starting winding to main winding or vice versa.

All of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a transformer maximum flux density is not constant, the eddy current loss varies as

f

V

V²

f²

f

V

V²

f²

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Electrical Machines
Which of the following DC Motor uses 4-point starter?

DC compound motor.

DC series motor.

DC shunt motor with field weaking control.

DC shunt motor with armature resistance.

DC compound motor.

DC series motor.

DC shunt motor with field weaking control.

DC shunt motor with armature resistance.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3- phase synchronous motor can operate over a wide range of power factors i.e. from lagging to leading power factor. This is achieved by

varying the speed.

varying the applied voltage.

changing the field excitation.

changing the load.

varying the speed.

varying the applied voltage.

changing the field excitation.

changing the load.

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Electrical Machines
Cogging and crawling are phenomena associated with

the former during starting and the latter at a fraction of its rated speed.

the former at a fraction of its rate speed and the latter during starting.

cage induction machines and they are essentially the same.

any of the above.

the former during starting and the latter at a fraction of its rated speed.

the former at a fraction of its rate speed and the latter during starting.

cage induction machines and they are essentially the same.

any of the above.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines

Electrical Machines A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point.

Electrical Machines Reversing the direction of rotation of split phase motors is done by

Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as

Electrical Machines Which of the following DC Motor uses 4-point starter?

Electrical Machines A 3- phase synchronous motor can operate over a wide range of power factors i.e. from lagging to leading power factor. This is achieved by

Electrical Machines Cogging and crawling are phenomena associated with

Electrical Machines
A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point.

Electrical Machines
Reversing the direction of rotation of split phase motors is done by

Electrical Machines
In a transformer maximum flux density is not constant, the eddy current loss varies as

Electrical Machines
Which of the following DC Motor uses 4-point starter?

Electrical Machines
A 3- phase synchronous motor can operate over a wide range of power factors i.e. from lagging to leading power factor. This is achieved by

Electrical Machines
Cogging and crawling are phenomena associated with