Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 74 72 37 36 74 72 37 36 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the flux of DC motor approaches zero, its speed will between zero and infinity. remain unchanged. aprroach infinity. approach zero. between zero and infinity. remain unchanged. aprroach infinity. approach zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, if P be the number of poles and N be the rpm of the rotor, then frequency of magnetic reversals will be PN/120. PN/3000. PN/2. PN/60. PN/120. PN/3000. PN/2. PN/60. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The DC compound motors are generally Level Compound. Differentical compound. Cummulative compound. None of these. Level Compound. Differentical compound. Cummulative compound. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are used for lathes? DC shunt motors. Either A or B. Synchronous motor. Cage induction motor. DC shunt motors. Either A or B. Synchronous motor. Cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor of a 3 - Φ wound induction motor is provided with single phase winding. heavy copper or aluminium bars placed in rotor slots. heavy short-circuited end rings. three phase winding. single phase winding. heavy copper or aluminium bars placed in rotor slots. heavy short-circuited end rings. three phase winding. ANSWER DOWNLOAD EXAMIANS APP
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