Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is unity leading lagging zero unity leading lagging zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt motor runs at a no-load speed of 1140 rpm. At full load, armature reaction weakens the main flux by 5% whereas the armature circuit voltage drops by 10%. The motor full-load speed in rpm is 1080 1203 1200 1000 1080 1203 1200 1000 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature coil is short circuited by brushes when it lies in any of above positions. along neutral axis. along field axis. in none of above positions. in any of above positions. along neutral axis. along field axis. in none of above positions. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? DOL starter. All of these. Star-delta starter. Auto transformer starter. DOL starter. All of these. Star-delta starter. Auto transformer starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Select the motor that should not be started on no load? Shunt motor. Compound motor. Brushless DC motor. Series motor. Shunt motor. Compound motor. Brushless DC motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines From no load to full load the slip will slightly decrease. slightly increase. None of these not change. slightly decrease. slightly increase. None of these not change. ANSWER DOWNLOAD EXAMIANS APP
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