Electrical Machines In case of induction motors the ratio of length to pole pitch for minimum cost, is taken as 1.0. 1.5 to 2. 3 to 5. 2 to 3. 1.0. 1.5 to 2. 3 to 5. 2 to 3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For larger units high torque it is preferred to use DC shunt motor. Partial motor. Slip induction motor. Universal motor. DC shunt motor. Partial motor. Slip induction motor. Universal motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a DC motor at the time of starting is Zero. Normal. Very low. Very high. Zero. Normal. Very low. Very high. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shunt dc motor the direction of rotation of the motor will reversed. When none of above. only armature terminals are reversed. only field terminals are changed. either field terminals are reversed or armature terminals are reversed. none of above. only armature terminals are reversed. only field terminals are changed. either field terminals are reversed or armature terminals are reversed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the flux of DC motor approaches zero, its speed will aprroach infinity. remain unchanged. between zero and infinity. approach zero. aprroach infinity. remain unchanged. between zero and infinity. approach zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are not a self starting motor? both 1 and 2 None of these 3-phase induction motor 1-phase induction motor both 1 and 2 None of these 3-phase induction motor 1-phase induction motor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS