Electrical Machines In a DC Shunt Motor if the load current increases then field flux remains constant. decreases decreases. increases. remains constant. decreases decreases. increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC shunt generator builds up 230 V when driven in clockwise direction. In case it is driven in anti clockwise direction, other things remaining unchanged, then the voltage build up is 230 V not possible some what more than 230 V some what less than 230 V 230 V not possible some what more than 230 V some what less than 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Unbalanced supply voltage given to a 3 - φ, delta connected induction motor will cause less heating of the rotor. negative sequence current. all of these. less heating of the rotor. less heating of the rotor. negative sequence current. all of these. less heating of the rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 500. 1000. 0. 2000. 500. 1000. 0. 2000. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Select the motor that should not be started on no load? Brushless DC motor. Compound motor. Shunt motor. Series motor. Brushless DC motor. Compound motor. Shunt motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through solid connection. commutator. none of above. slip rings. solid connection. commutator. none of above. slip rings. ANSWER DOWNLOAD EXAMIANS APP