DC Motors No load speed of which of the following motor will be highest? Series motor Differentially compounded motor Cummulative compounded motor Shunt motor Series motor Differentially compounded motor Cummulative compounded motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors A direct on line starter is used for starting motors Upto 10 HP Upto 20 HP Upto 5 HP Upto 15 HP Upto 10 HP Upto 20 HP Upto 5 HP Upto 15 HP ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Remains same Decrease Increase Become zero Remains same Decrease Increase Become zero ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Efficient Economical Suitable for getting speeds above the normal Unsuitable for rapidly changing loads Efficient Economical Suitable for getting speeds above the normal Unsuitable for rapidly changing loads ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Field Commutator Armature Brushes Field Commutator Armature Brushes ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used Where load is constant Where load changes frequently Where constant operating speed is needed None of these Where load is constant Where load changes frequently Where constant operating speed is needed None of these ANSWER DOWNLOAD EXAMIANS APP