Electrical Machines Iron loss in a transformer mainly occurs in iron made tank of transformer. steel core in transformer. winding of transformer. transformer insulating oil. iron made tank of transformer. steel core in transformer. winding of transformer. transformer insulating oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 2 pole synchronous machine is operating at 3000 rpm. Find the relation between electrical angular momentum (ωe) and mechanical angular momentum (ωm) ? ωe = 1/2*ωm ωe = 2*ωm ωe = ωm ωe = 4*ωm ωe = 1/2*ωm ωe = 2*ωm ωe = ωm ωe = 4*ωm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of a DC machine is laminated to minimise temperature rise hysteresis loss mechanical loss eddy-current loss temperature rise hysteresis loss mechanical loss eddy-current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of operation of a 3 - Φ induction motor is almost similar to that of capacitor start induction motor. repulsion start induction motor. transformer with secondary short circuited. synchronous motor. capacitor start induction motor. repulsion start induction motor. transformer with secondary short circuited. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Inter pole winding is connected in-------------------------- ? parallel with main poles parallel with armature series with armature series with main poles parallel with main poles parallel with armature series with armature series with main poles ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine, the demagnetizing effect of armature reaction is due to magnetic saturation in half of the field pole component of armature mmf along field axis non-sinusoidal nature of armature mmf uneven air-gap length magnetic saturation in half of the field pole component of armature mmf along field axis non-sinusoidal nature of armature mmf uneven air-gap length ANSWER DOWNLOAD EXAMIANS APP
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