Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. The frequency of rotor current is 1 Hz 50 Hz 0 Hz 5 Hz 1 Hz 50 Hz 0 Hz 5 Hz ANSWER DOWNLOAD EXAMIANS APP
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 increase decrease and increase respectively both decrease increase and decrease respectively both increase decrease and increase respectively both decrease increase and decrease respectively ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding is placed in the main field pole shoe armature core All of these main field pole shoe armature core All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer core is laminated to reduce eddy current loss. both 1 and 2. hysteresis loss. copper loss. eddy current loss. both 1 and 2. hysteresis loss. copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 5.46 KW. 2.73 KW. 1.644 KW. 0.9103 KW. 5.46 KW. 2.73 KW. 1.644 KW. 0.9103 KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load and full load speed of DC motor are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor ? 14.28%. 18.25%. 15.30%. 16.67%. 14.28%. 18.25%. 15.30%. 16.67%. ANSWER DOWNLOAD EXAMIANS APP
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