DC Motors Ward-Leonard control is basically a Voltage control method Field control method Field divertor method Armature resistance control method Voltage control method Field control method Field divertor method Armature resistance control method ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for All D.C. motors Shunt motors Shunt as well as compound motors Shunt, compound and series motors All D.C. motors Shunt motors Shunt as well as compound motors Shunt, compound and series motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ? Cumulative compound motor Series motor Shunt motor Differentially compound motor Cumulative compound motor Series motor Shunt motor Differentially compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The resistance of shunt field winding as compared to series field winding is Less None of the listed here More The same Less None of the listed here More The same ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine To reduce armature reaction None of the listed here To control the speed of machine To improve commutation To reduce armature reaction None of the listed here To control the speed of machine To improve commutation ANSWER DOWNLOAD EXAMIANS APP
DC Motors Carbon brushes are preferable to copper brushes because _____ They have longer life They have lower resistance They reduce armature reaction They reduce sparking They have longer life They have lower resistance They reduce armature reaction They reduce sparking ANSWER DOWNLOAD EXAMIANS APP
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