Electrical Machines In DC generator, lap winding is used in high current and low voltage applications. high voltage and low current applications. where greater load is connected. where constant speed is required. high current and low voltage applications. high voltage and low current applications. where greater load is connected. where constant speed is required. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The sparking at the the brushes, in a DC machines is due to presence of commutator. high resistance of carbon brushes. armature reaction. reactance voltage. presence of commutator. high resistance of carbon brushes. armature reaction. reactance voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the emf generated by a 4 pole Lap connected DC Motor rotating at 1500 rpm having 1000 conductors and useful flux per pole is 0.4 mWb. 10 volts. 30 volts. 20 volts. 40 volts. 10 volts. 30 volts. 20 volts. 40 volts. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The full load copper loss and iron loss of transformer are 6400W and 5000W respectively. The copper loss and iron loss at half load will be respectively? 1600 W and 5000 W 3200 W and 5200 W 1600 W and 1250 W 3200 W and 2500 W 1600 W and 5000 W 3200 W and 5200 W 1600 W and 1250 W 3200 W and 2500 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space waveform of the air-gap flux distribution affects voltage but not the torque neither the voltage nor the torque both the torque and voltage torque but not the voltage voltage but not the torque neither the voltage nor the torque both the torque and voltage torque but not the voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 12 pole triplex lap wound DC armature, each conductor can carry current of 100 A. The rated current of this armature is 3600 A. 1200 A. 600 A. 2400 A. 3600 A. 1200 A. 600 A. 2400 A. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS