The magnetic circuit of a dc shunt generator with negligible armature resistance and brush contact voltage drop remains unsaturated when it delivers full-load current at rated terminal voltage. The brushes are kept in the interpolar axis and speed is maintained constant. When the load is switched off, the terminal voltage would

Electrical Machines
The magnetic circuit of a dc shunt generator with negligible armature resistance and brush contact voltage drop remains unsaturated when it delivers full-load current at rated terminal voltage. The brushes are kept in the interpolar axis and speed is maintained constant. When the load is switched off, the terminal voltage would

decrease

remain the same

become zero

increase

decrease

remain the same

become zero

increase

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In induction motor wound rotor motor is mainly is used in application where

less costly motor is not required.

high starting torque.

low starting torque.

power factor is less.

less costly motor is not required.

high starting torque.

low starting torque.

power factor is less.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a synchronous generator with constant steam input supplies power to an infinite bus at a lagging power factor. If the excitation is increased

power angle decrease and power factor increase

power angle increase and power factor decrease

both power angle and power factor increase

both power angle and power factor decrease

power angle decrease and power factor increase

power angle increase and power factor decrease

both power angle and power factor increase

both power angle and power factor decrease

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Hysteresis loss is proportional to

f3.

f.

f1.5.

f2.

f3.

f.

f1.5.

f2.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A motor armature conductor of length 0.5 m is exposed to a flux density of 4 Wb / m2. Calculate the force experienced by the conductor, when the armature current is 5 Amp?

None of these.

Can't be determined.

20 N.

15 N.

None of these.

Can't be determined.

20 N.

15 N.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The output indicate on the name plate of any motor is always the

Power drawn in KW.

Gross power.

Power drawn in KVA.

Output power at the shaft.

Power drawn in KW.

Gross power.

Power drawn in KVA.

Output power at the shaft.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines

Electrical Machines In induction motor wound rotor motor is mainly is used in application where

Electrical Machines In a synchronous generator with constant steam input supplies power to an infinite bus at a lagging power factor. If the excitation is increased

Electrical Machines Hysteresis loss is proportional to

Electrical Machines A motor armature conductor of length 0.5 m is exposed to a flux density of 4 Wb / m2. Calculate the force experienced by the conductor, when the armature current is 5 Amp?

Electrical Machines The output indicate on the name plate of any motor is always the

Electrical Machines
In induction motor wound rotor motor is mainly is used in application where

Electrical Machines
In a synchronous generator with constant steam input supplies power to an infinite bus at a lagging power factor. If the excitation is increased

Electrical Machines
Hysteresis loss is proportional to

Electrical Machines
A motor armature conductor of length 0.5 m is exposed to a flux density of 4 Wb / m2. Calculate the force experienced by the conductor, when the armature current is 5 Amp?

Electrical Machines
The output indicate on the name plate of any motor is always the