Electrical Machines Swinburne test is conducted under which of the following condition? half load any of the above no load full load half load any of the above no load full load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ wound rotor induction motor the short circuit gear is used to short circuit the rotor at slip rings. stator phases of the motor. None of these starting resistance in the starter. rotor at slip rings. stator phases of the motor. None of these starting resistance in the starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard method of speed control, the direction of rotation of motor is reversed usually reversing the connection of the generator field terminal. motor armature terminal. generator armature terminal. motor field terminal. generator field terminal. motor armature terminal. generator armature terminal. motor field terminal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements: To control the speed of a dc shunt motor above the base speed over a reasonably wide range, the motor must 1. have compensating winding 2. have interpole winding 3. be started using a 3-point starter 4. be started using a 4-point starter Of these statements 2 and 4 are correct 1, 2 and 4 are correct 1 and 3 are correct 1, 2 and 3 are correct 2 and 4 are correct 1, 2 and 4 are correct 1 and 3 are correct 1, 2 and 3 are correct ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tertiary winding in a transformer is mostly zig - zag delta connected. star connected. delta connected. zig - zag star connected. zig - zag delta connected. star connected. delta connected. zig - zag star connected. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm. Find the rotor efficiency? 92% 94% 95% 96% 92% 94% 95% 96% ANSWER DOWNLOAD EXAMIANS APP
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