Electrical Machines What is power factor of a 3 - φ induction motor at no load? High. Low. Equal to 1. Same as full load. High. Low. Equal to 1. Same as full load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on synchronous reactance load angle excitation both 1and 2 synchronous reactance load angle excitation both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If input of a transformer is square wave the output will be square wave. triangular wave. sine wave. pulsed wave. square wave. triangular wave. sine wave. pulsed wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the temperature of armature resistance is increased, the speed of a series motor would not change. decrease. None of above. increase. not change. decrease. None of above. increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, if P be the number of poles and N be the rpm of the rotor, then frequency of magnetic reversals will be PN/120. PN/2. PN/60. PN/3000. PN/120. PN/2. PN/60. PN/3000. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a lap winding dc machine number of conductors are 100 and number of parallel paths are 10. Find the average pitch 10 100 1 50 10 100 1 50 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS