Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 16. 32. 4. 8. 16. 32. 4. 8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If s is the slip and f is the supply frequency of an induction motor, the frequency of rotor current is given by sf. sf / 2. s2. f / s. sf. sf / 2. s2. f / s. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A triangular mmf wave is produced in the air gap of an electric machine. Such wave is produced by rotor of a dc machine. stator of a dc machine. rotor of an synchronous machine. stator of a induction machine. rotor of a dc machine. stator of a dc machine. rotor of an synchronous machine. stator of a induction machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 35 ppm. 45 ppm. 20 ppm. 25 ppm. 35 ppm. 45 ppm. 20 ppm. 25 ppm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? Demagnetization None of these Cross magnetization Magnetization Demagnetization None of these Cross magnetization Magnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC motor is laminated to reduce the hysteresis loss. to reduce the inductor. to reduce the eddy current loss. to reduce the mass. to reduce the hysteresis loss. to reduce the inductor. to reduce the eddy current loss. to reduce the mass. ANSWER DOWNLOAD EXAMIANS APP
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