Electrical Machines If a DC Series motor is connected across an AC supply it will not run. burn. run at lower speed. run at normal speed. not run. burn. run at lower speed. run at normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, maximum power occurs at a load angle of less than 90° 0° 90° Greater than 90° less than 90° 0° 90° Greater than 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for simple wave-winding ? PZL/ 4Sa PZL/4Sp² PZL/4S PZL/4Sa² PZL/ 4Sa PZL/4Sp² PZL/4S PZL/4Sa² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 4KVA 0KVA 16KVA 20KVA 4KVA 0KVA 16KVA 20KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of transformer core is made of cast iron. wrought iron. silicon steel. cast steel. cast iron. wrought iron. silicon steel. cast steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has maximum efficiency at 3/4 load. The ratio of iron loss and full load copper loss is 9/16. 16/9. 3/4. 4/3. 9/16. 16/9. 3/4. 4/3. ANSWER DOWNLOAD EXAMIANS APP