Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure inductive load pure capacitive load None of these pure resistive load pure inductive load pure capacitive load None of these pure resistive load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases keeping the terminal voltage constant, then flux will decrease. remain constant. increase. any of the above. decrease. remain constant. increase. any of the above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for hoisting and lowering which type of motor is preferred? Synchronous motor. AC slip ring motor. Single phase induction motor. DC series motor. Synchronous motor. AC slip ring motor. Single phase induction motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A lap wound 4 pole dc motor has 460 conductors. Find the number of parallel paths between the conductors? data provided is insufficient. 2. 6. 4. data provided is insufficient. 2. 6. 4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 6 pole lap connected DC generator with 480 conductors has armature resistance of 0.06 Ω. If the conductors are reconnected to from a wave winding other things remaining unchanged, the value of armature resistance will be 0.54 Ω. 0.54 Ω. 0.06 Ω. 0.01 Ω. 0.54 Ω. 0.54 Ω. 0.06 Ω. 0.01 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are effects of armature reaction? increase the iron loss increases the design cost All of these increase the maintenance and repair increase the iron loss increases the design cost All of these increase the maintenance and repair ANSWER DOWNLOAD EXAMIANS APP