Electrical Machines The output indicate on the name plate of any motor is always the Power drawn in KVA. Output power at the shaft. Power drawn in KW. Gross power. Power drawn in KVA. Output power at the shaft. Power drawn in KW. Gross power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - φ induction motor can also be referred to as a transformer. asynchronous motor. repulsion motor. shunt motor. transformer. asynchronous motor. repulsion motor. shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Exciting current of an induction motor is higher than power transformer. lesser than power transformer. equal as power transformer. none of these. higher than power transformer. lesser than power transformer. equal as power transformer. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole DC generator runs at 1500 rpm. The frequency of current in the armature winding is: 100 Hz. Zero Hz. 25 Hz. 50 Hz. 100 Hz. Zero Hz. 25 Hz. 50 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature resistance of a permanent magnet dc motor is 0.8 Ohm. At no load, the motor draws 1.5 A from a supply voltage of 25 V and runs at 1500 rpm. The efficiency of the motor while it is operating on load at 1500 rpm drawing a current of 3.5 A from the same source will be 57.1%. 88.8%. 59.2%. 48.0%. 57.1%. 88.8%. 59.2%. 48.0%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power input to a 3 - φ induction motor is 60 kW and stator loss is 1 kW the rotor cu loss per phase is slip X 69 / 3. slip X 50 / 3. slip X 59 / 3. 1. slip X 69 / 3. slip X 50 / 3. slip X 59 / 3. 1. ANSWER DOWNLOAD EXAMIANS APP