Electrical Machines Demagnetization effects which of the following? reduces the terminal voltage both B and C reduction in main field flux commutation reduces the terminal voltage both B and C reduction in main field flux commutation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip test is performed to determine All of these slip direct axis reactance and quadrature axis reactance positive sequence reactance and negative sequence reactance All of these slip direct axis reactance and quadrature axis reactance positive sequence reactance and negative sequence reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the source voltage of a DC motor is increased, which of the following will decrease? Operating speed. Full load current. Starting torque, operating speed, full load current. Starting torque. Operating speed. Full load current. Starting torque, operating speed, full load current. Starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of conductor of a DC motor can be determined by Fleming's left hand rule. Ampere law. Lenz's law. Fleming's right hand rule. Fleming's left hand rule. Ampere law. Lenz's law. Fleming's right hand rule. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loop represents the area of total iron losses copper loss hysteresis loss eddy current loss total iron losses copper loss hysteresis loss eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase, 2 KV alternator has an armature resistance of 0.8 ohms and 4.94 ohms respectively. The voltage regulation of the alternator at 100 a load 0.8 loading power factor is 8.9%. 7%. 14%. 0%. 8.9%. 7%. 14%. 0%. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS