Electrical Machines What is the highest possible speed of turbo alternators? 1000 rpm 1500 rpm 4000 rpm 3000 rpm 1000 rpm 1500 rpm 4000 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC shunt motor if load is reduced The speed will remains almost constant. The speed will increase abruptly. The speed will increase in proportion to reduction in load. DC Shunt Motor The speed will remains almost constant. The speed will increase abruptly. The speed will increase in proportion to reduction in load. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Considering a galvanometer is connected to the rotor of a 3 - Φ, 4 pole, 50 Hz IM and is making 130 oscillations in a minute, then calculate the rotor speed? 1440. 1450. 1435. 1500. 1440. 1450. 1435. 1500. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the number of poles required, when the frequency is 50Hz and speed of the motor is 500 rpm? 10 24 5 12 10 24 5 12 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines stepped cores are used in transformers in order to reduce volume of copper. volume of iron. iron loss. reluctance of core. volume of copper. volume of iron. iron loss. reluctance of core. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which 1 - Φ motor does operate at high power factor? Capacitor run. Split phase. Capacitor start. Shaded pole. Capacitor run. Split phase. Capacitor start. Shaded pole. ANSWER DOWNLOAD EXAMIANS APP