Electrical Machines Open circuit test on transformer gives eddy current loss hysteresis loss both 1and 2 copper loss eddy current loss hysteresis loss both 1and 2 copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ IM in order to eliminate cogging the number of stator slots must be unequal to number of rotor slots and skewed in shape. an integral multiple of number of rotor slots. either (B) or (C). equal to number of rotor slots. unequal to number of rotor slots and skewed in shape. an integral multiple of number of rotor slots. either (B) or (C). equal to number of rotor slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is the largest conversion device? Synchronous machine DC machine Induction machine All of these Synchronous machine DC machine Induction machine All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On which of the following factor/factors the speed of a DC motor depends upon? All of these. Applied voltage. Field flux. Armature current. All of these. Applied voltage. Field flux. Armature current. 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/2. PN/3000. PN/120. PN/60. PN/2. PN/3000. PN/120. PN/60. 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? 5 24 12 10 5 24 12 10 ANSWER DOWNLOAD EXAMIANS APP
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