Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 4 and 2 4 ang 1 2 and 1 2 and 2 4 and 2 4 ang 1 2 and 1 2 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 6 pole wave winding is used. The number of parallel paths are? 4 1 2 6 4 1 2 6 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotor resistance speed control is used in slip ring induction motor. dc shunt motor. synchronous motor. squirrel cage induction motor. slip ring induction motor. dc shunt motor. synchronous motor. squirrel cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines which of the following type of brush and their application is/are correct copper graphite → low voltage high current density All of these electro graphite → large ratings carbon brush → normal ratings copper graphite → low voltage high current density All of these electro graphite → large ratings carbon brush → normal ratings ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC series motors are connected in series and are driving the same mechanical load. If the motors are now connected in parallel the speed will become 4 times. one fourth. double. half. 4 times. one fourth. double. half. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor has which of the following characteristics? Has its field winding consinting of thick wire and less no of turns. Has a almost constant speed. Has a poor torque. Can be started easily without load. Has its field winding consinting of thick wire and less no of turns. Has a almost constant speed. Has a poor torque. Can be started easily without load. ANSWER DOWNLOAD EXAMIANS APP