Electrical Machines In DC machine torque depends on which of the following? armature current (I) both A and B speed flux (φ) armature current (I) both A and B speed flux (φ) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In escalator which motor is used? 1 - φ IM. 3 - φ IM. DC shunt motor. Universal motor. 1 - φ IM. 3 - φ IM. DC shunt motor. Universal motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dissolve gas analysis of transformer oil is carried out to determine condition of bushings. condition of transformer oil. condition of bushing stud. condition of transformer. condition of bushings. condition of transformer oil. condition of bushing stud. condition of transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On what factors the speed of dc motor depends? Armature current Ia. All of these. Applied voltage. Field flux. Armature current Ia. All of these. Applied voltage. Field flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit in a transformer is prefered with rated transformer current high frequency supply direct current rated transformer voltage rated transformer current high frequency supply direct current rated transformer voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The efficiency of a transformer is mainly dependent on stray losses. dielectric losses. copper losses. core losses. stray losses. dielectric losses. copper losses. core losses. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS