Electrical Machines What is the highest possible speed of turbo alternators? 4000 rpm 1000 rpm 3000 rpm 1500 rpm 4000 rpm 1000 rpm 3000 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 3rd harmonics are eliminated in induction motor by using star connection. delta connection. V connection. zig - zag connection. star connection. delta connection. V connection. zig - zag connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does the use the of height flux density value in transformer design lead to? Reduced iron loss. Reduced copper loss. Increase in weight/KVA. Decrease in weight/KVA. Reduced iron loss. Reduced copper loss. Increase in weight/KVA. Decrease in weight/KVA. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Winding conductors of an electrical power transformer are mainly insulated by rubber insulation. wooden insulation. cotton insulation. paper insulation. rubber insulation. wooden insulation. cotton insulation. paper insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a transformer to be tested at full load conditions but consuming only losses from the main, we do OC and SC tests back to back test load test None of these OC and SC tests back to back test load test None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz 1-phase induction motor is running at 1470 rpm. Find the forward and backward slips? 0.02, 0.98 0.04, 1.96 0.02, 1.98 0.04, 0.96 0.02, 0.98 0.04, 1.96 0.02, 1.98 0.04, 0.96 ANSWER DOWNLOAD EXAMIANS APP
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