Electrical Machines For a specific open-circuit voltage of a DC generator, the short-circuit electric current will be maximum when it is differentially compounded. cumulatively compounded. shunt connected. separately excited. differentially compounded. cumulatively compounded. shunt connected. separately excited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series booster is a shunt wound DC generator. permanent magnet DC generator. separately excited DC generator. series wound DC generator. shunt wound DC generator. permanent magnet DC generator. separately excited DC generator. series wound DC generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following generators are used in arc welding? series generators cumulative compound generators differential compound generators shunt generators series generators cumulative compound generators differential compound generators shunt generators ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through slip rings. none of above. commutator. solid connection. slip rings. none of above. commutator. solid connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The air gap between the yoke and armature is dc machine is kept very small to avoid over heating. to avoid locking of the armature. to achieve a stronger magnetic field. All of these to avoid over heating. to avoid locking of the armature. to achieve a stronger magnetic field. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A separately excited DC motor has an armature resistance of 0.5 Ohm. The supply voltage is 250V. Armature current is 20A and the speed of rotation is 1500 rpm. Find the torque developed? 16.55 Nm Zero 15.6 Nm 15.28 Nm 16.55 Nm Zero 15.6 Nm 15.28 Nm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS