Electrical Machines A DC cumulatively compounded motor delivers rated load torque at rated speed. If the series field is short-circuited, then the armature current and speed will both decrease decrease and increase respectively both increase increase and decrease respectively both decrease decrease and increase respectively both increase increase and decrease respectively ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. none. always closed. semi closed or semi opened. always opened. none. always closed. semi closed or semi opened. always opened. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.54. 0.3. 1. 0.7. 0.54. 0.3. 1. 0.7. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load saturation characteristics are plotted between no load voltage and armature current no load voltage and field current short circuit current and armature current short circuit current and field current no load voltage and armature current no load voltage and field current short circuit current and armature current short circuit current and field current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has synchronous speed of 1500 rpm. What will be the slip when it is running at a speed of 1450 rpm? -3% +3% +3.33% -3.33% -3% +3% +3.33% -3.33% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine windings are None of these full pitched short pitched either of these None of these full pitched short pitched either of these ANSWER DOWNLOAD EXAMIANS APP
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