Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 35 ppm. 25 ppm. 20 ppm. 45 ppm. 35 ppm. 25 ppm. 20 ppm. 45 ppm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate the 5th harmonic in the induced voltages their respective pitch factor angle should be 36° 18° 30° 72° 36° 18° 30° 72° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determent by Amperes law. Flemings right hand rule. Lenzs law. Flemings left hand rule. Amperes law. Flemings right hand rule. Lenzs law. Flemings left hand rule. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: under trailing pole tip. under the interpole. under leading pole tip. pole core. under trailing pole tip. under the interpole. under leading pole tip. pole core. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is suitable for frequent starting and stoppings? Capacitor start capacitor run motor Resistance split phase motor All of these Capacitor start motor Capacitor start capacitor run motor Resistance split phase motor All of these Capacitor start motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In IM the rotor lamination can be ________________ than stator laminations. thicker. thinner. rotor can not have any laminations. sipper. thicker. thinner. rotor can not have any laminations. sipper. ANSWER DOWNLOAD EXAMIANS APP
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