Electrical Machines What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip? 50Hz 2.5Hz 2HZ 1 Hz 50Hz 2.5Hz 2HZ 1 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip test is performed to determine direct axis reactance and quadrature axis reactance All of these slip positive sequence reactance and negative sequence reactance direct axis reactance and quadrature axis reactance All of these slip positive sequence reactance and negative sequence reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fufuraldehyde analysis is done to determine the condition of lamination on CRGO steel sheet. condition of paper insulation in transformer. condition of oil in transformer. condition of cork gaskets used in transformer. condition of lamination on CRGO steel sheet. condition of paper insulation in transformer. condition of oil in transformer. condition of cork gaskets used in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the pitch factor? sin (α/2) Cos α² Cos α Cos (α/2) sin (α/2) Cos α² Cos α Cos (α/2) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, armature reaction refers to what? Effect of armature flux on the main field flux. Effect of field flux on the armature flux. None of these Effect of armature flux on the load. Effect of armature flux on the main field flux. Effect of field flux on the armature flux. None of these Effect of armature flux on the load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is not suitable for frequent starting and stopping? Resistance split phase motor All of these Capacitor run motor Capacitor split phase motor Resistance split phase motor All of these Capacitor run motor Capacitor split phase motor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS