Electrical Machines Which 1 - Φ motor does operate at high power factor? Split phase. Shaded pole. Capacitor run. Capacitor start. Split phase. Shaded pole. Capacitor run. Capacitor start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power? 1820W 2000W 1450W 1920W 1820W 2000W 1450W 1920W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne's test is applicable to DC series motor. DC Shunt motor. DC compound motor. DC shunt and level Compound motor. DC series motor. DC Shunt motor. DC compound motor. DC shunt and level Compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ___________________ generator has the poorest voltage regulation. differential compounded. over compounded. shunt. under-compounded. differential compounded. over compounded. shunt. under-compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Unbalance 3 - Φ stator currents cause heating of rotor. All of these vibrations. double frequency currents in the rotor. heating of rotor. All of these vibrations. double frequency currents in the rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements : 1. interpole windings are connected in series with armature windings 2. polarity of interpoles must be the same as that of the main poles in advance 3. distortion of the main field under the pole shoes is not affected by the use of interpoles From above, the correct answer is 1 alone 1 and 2 2 and 3 1 and 3 1 alone 1 and 2 2 and 3 1 and 3 ANSWER DOWNLOAD EXAMIANS APP