Electrical Machines A delta/star transformer is connected in parallel to a star/delta transformer. The turn ratio former is x times latter, the x is 1/√3 3 1/3 √3 1/√3 3 1/3 √3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors is/are widely used? either of these squirrel cage induction motor None of these slip ring induction motor either of these squirrel cage induction motor None of these slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cross magnetization effects which of the following? reduces the terminal voltage commutation reduction in main field flux both 2 and 3 reduces the terminal voltage commutation reduction in main field flux both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The factors that are responsible for decrease in terminal voltage of a shunt generator are armature resistance, effect of armature reaction. armature resistance, inter poles, armature. reduction in field current, effect of armature reaction, armature. armature resistance, effect of armature reaction. armature resistance, effect of armature reaction. armature resistance, inter poles, armature. reduction in field current, effect of armature reaction, armature. armature resistance, effect of armature reaction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 45 ppm. 25 ppm. 20 ppm. 35 ppm. 45 ppm. 25 ppm. 20 ppm. 35 ppm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The crawling in the induction motor is caused by improper design of stator laminations harmonics developed in the motor low voltage supply high loads improper design of stator laminations harmonics developed in the motor low voltage supply high loads ANSWER DOWNLOAD EXAMIANS APP