DC Motors A direct on line starter is used for starting motors Upto 15 HP Upto 5 HP Upto 20 HP Upto 10 HP Upto 15 HP Upto 5 HP Upto 20 HP Upto 10 HP ANSWER DOWNLOAD EXAMIANS APP
DC Motors In variable speed motor None of these A stronger commutating field is needed at low speed than at high speed A weaker commutating field is needed at low speed than at high speed Same commutating field is needed at low speed than at high speed None of these A stronger commutating field is needed at low speed than at high speed A weaker commutating field is needed at low speed than at high speed Same commutating field is needed at low speed than at high speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine To control the speed of machine None of the listed here To improve commutation To reduce armature reaction To control the speed of machine None of the listed here To improve commutation To reduce armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. None of the listed here Above as well as below the normal speed Below the normal speed only Above the normal speed only None of the listed here Above as well as below the normal speed Below the normal speed only Above the normal speed only ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Series Shunt Cumulatively compounded Differentially compounded Series Shunt Cumulatively compounded Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field divertor method Voltage control method Armature resistance control method Field control method Field divertor method Voltage control method Armature resistance control method Field control method ANSWER DOWNLOAD EXAMIANS APP
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