Electrical Machines In case of a conductively compensated DC series motor, the compensating winding is provided As a separate unit. In parallel with the field winding. In series with the armature winding. In parallel with the armature winding. As a separate unit. In parallel with the field winding. In series with the armature winding. In parallel with the armature winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increases in field excitation of a DC generator, its generated emf increases. remains constant. decreases. increases upto a limit and then remains almost constant. increases. remains constant. decreases. increases upto a limit and then remains almost constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor wound rotor motor is mainly is used in application where less costly motor is not required. high starting torque. power factor is less. low starting torque. less costly motor is not required. high starting torque. power factor is less. low starting torque. 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/2. PN/60. PN/3000. PN/120. PN/2. PN/60. PN/3000. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto-transformer, power is transferred through induction process only. conduction process only. both A and B. None of these induction process only. conduction process only. both A and B. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shunt dc motor the direction of rotation of the motor will reversed. When none of above. either field terminals are reversed or armature terminals are reversed. only field terminals are changed. only armature terminals are reversed. none of above. either field terminals are reversed or armature terminals are reversed. only field terminals are changed. only armature terminals are reversed. ANSWER DOWNLOAD EXAMIANS APP
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