Electrical Machines A DC generator beyond critical resistance will generate maximum voltage. maximum current. maximum power. no voltage. maximum voltage. maximum current. maximum power. no voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is unity R = S.X 0.707 lagging zero 0.5 lagging unity R = S.X 0.707 lagging zero 0.5 lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a seperately excited DC Motor if field current is increased, it will Reduce starting torque. Reduce armature heating. Increase speed Increase acceleration duration. Reduce starting torque. Reduce armature heating. Increase speed Increase acceleration duration. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by Bl2v. Blv2. Bl2v2. Blv. Bl2v. Blv2. Bl2v2. Blv. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Split phase IM. Shaded pole IM. Cage induction motor. Synchronous motors. Split phase IM. Shaded pole IM. Cage induction motor. Synchronous motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a lap winding dc machine number of conductors are 100 and number of parallel paths are 10. Find the average pitch 10 100 50 1 10 100 50 1 ANSWER DOWNLOAD EXAMIANS APP