Electrical Machines In an auto-transformer, power is transferred through induction process only. None of these conduction process only. both A and B. induction process only. None of these conduction process only. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A triangular mmf wave is produced in the air gap of an electric machine. Such wave is produced by stator of a induction machine. rotor of an synchronous machine. rotor of a dc machine. stator of a dc machine. stator of a induction machine. rotor of an synchronous machine. rotor of a dc machine. stator of a dc machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Essential conditions for two DC generators are connecting for parallel operation is/are polarities should be same. rating of generators should be same. both A and B. terminal voltage should be same. polarities should be same. rating of generators should be same. both A and B. terminal voltage should be same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power will be developed when back emf is equal to supply voltage. half of the supply voltage. double the supply voltage. All of these equal to supply voltage. half of the supply voltage. double the supply voltage. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed by a synchronous motor depends on supply voltage and excitation excitation and load angle supply voltage, load angle and excitation supply voltage and load angle supply voltage and excitation excitation and load angle supply voltage, load angle and excitation supply voltage and load angle ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to with stand All of these Bending moment due to weight of the armature. Twisting stains due to transmission of torque. Any unbalanced magnetic pull on the armature core. All of these Bending moment due to weight of the armature. Twisting stains due to transmission of torque. Any unbalanced magnetic pull on the armature core. ANSWER DOWNLOAD EXAMIANS APP