Electrical Machines On what factors the speed of dc motor depends? All of these. Applied voltage. Field flux. Armature current Ia. All of these. Applied voltage. Field flux. Armature current Ia. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will not run. get damaged. continue running in the same direction as before. run in a direction opposite to previous one. not run. get damaged. continue running in the same direction as before. run in a direction opposite to previous one. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space waveform of the air-gap flux distribution affects neither the voltage nor the torque torque but not the voltage both the torque and voltage voltage but not the torque neither the voltage nor the torque torque but not the voltage both the torque and voltage voltage but not the torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of IM the torque is inversely proportional to √slip. directly proportional to slip. inversely proportional to slip. directly proportional to slip2. inversely proportional to √slip. directly proportional to slip. inversely proportional to slip. directly proportional to slip2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor hunting can be reduced to minimum possible by providing damper winding in the rotor pole faces. using a flywheel. designing the motor for adequate synchronizing power. any of above methods. providing damper winding in the rotor pole faces. using a flywheel. designing the motor for adequate synchronizing power. any of above methods. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an alternator, voltage drops occurs in armature resistance, leakage reactance, armature reaction and earth connection. armature resistance, leakage reactance and armature reaction. armature resistance and leakage reactance. armature resistance only. armature resistance, leakage reactance, armature reaction and earth connection. armature resistance, leakage reactance and armature reaction. armature resistance and leakage reactance. armature resistance only. ANSWER DOWNLOAD EXAMIANS APP
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