Electrical Machines In an alternator, voltage drops occurs in armature resistance, leakage reactance and armature reaction. armature resistance, leakage reactance, armature reaction and earth connection. armature resistance and leakage reactance. armature resistance only. armature resistance, leakage reactance and armature reaction. armature resistance, leakage reactance, armature reaction and earth connection. armature resistance and leakage reactance. armature resistance only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output indicate on the name plate of any motor is always the Power drawn in KW. Gross power. Power drawn in KVA. Output power at the shaft. Power drawn in KW. Gross power. Power drawn in KVA. Output power at the shaft. 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 rotor of an synchronous machine. stator of a induction machine. rotor of a dc machine. stator of a dc machine. rotor of an synchronous machine. stator of a induction machine. rotor of a dc machine. stator of a dc machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the advantages of parallel operation of alternators? Increase in reliability All of these Increase efficiency under light load conditions continuity supply is maintained Increase in reliability All of these Increase efficiency under light load conditions continuity supply is maintained ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc generator operating on load with its brushes on the geometrical neutral axis (GNA), the magnetic neutral axis (MNA) is shifted in the direction of rotation. Now, if the brushes are given a lead of 90° (electrical), then the MNA will coincide with the GNA shift forward by less than 90° shift forward by 90° shift forward by more than 90° coincide with the GNA shift forward by less than 90° shift forward by 90° shift forward by more than 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward-Leonard control is basically a ___________ control method. Armature voltage control. Field diverter control. Field control. Armature resistance control. Armature voltage control. Field diverter control. Field control. Armature resistance control. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS