Electrical Machines Slip rings of an induction motors are made of carbon. phosphor bronze. stainless steel. aluminium. carbon. phosphor bronze. stainless steel. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 4KVA 20KVA 16KVA 0KVA 4KVA 20KVA 16KVA 0KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tap changer is generally provided in current transformer. voltage transformer. power transformer. earthing transformer. current transformer. voltage transformer. power transformer. earthing transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of a DC machine is laminated to minimise temperature rise hysteresis loss eddy-current loss mechanical loss temperature rise hysteresis loss eddy-current loss mechanical loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which is the arrangement of windings in a core type single phase transformer? Lv on one core limb and hv on the other Half lv inside and half hv outside on each core limb Sandwiched lv and hv discs on each core limb Half hv inside and half lv outside on each core limb Lv on one core limb and hv on the other Half lv inside and half hv outside on each core limb Sandwiched lv and hv discs on each core limb Half hv inside and half lv outside on each core limb ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a 3-phase, 4 pole, 50 Hz synchronous motor the frequency, pole number and the frequency are halved. The motor speed will be 75 rpm 3000 rpm 1500 rpm 375 rpm 75 rpm 3000 rpm 1500 rpm 375 rpm ANSWER DOWNLOAD EXAMIANS APP