Electrical Machines The slot edges in a DC machine are made of Fibre. Silicon steel. Mild steel. Cast iron. Fibre. Silicon steel. Mild steel. Cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Value of specific electric loading of Induction motor is in the range of 40 - 400 ampere conductor / metre. 400 - 4000 ampere conductor / metre. 30000 - 100000 ampere conductor / metre. 5000 - 45000 ampere conductor / metre. 40 - 400 ampere conductor / metre. 400 - 4000 ampere conductor / metre. 30000 - 100000 ampere conductor / metre. 5000 - 45000 ampere conductor / metre. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. Any of above method. Ward Leonard control. Rheostatic control. None of above. Any of above method. Ward Leonard control. Rheostatic control. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A delta/star transformer is connected in parallel to a star/delta transformer. The turn ratio former is x times latter, the x is 1/3 √3 1/√3 3 1/3 √3 1/√3 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 1 KVA, 230 V, 50 Hz, single phase transformer has an eddy current loss of 30 watts. The eddy current loss when the transformer is excited by a dc source of same voltage will be zero watt 30 W more than 30 W less than 30 W zero watt 30 W more than 30 W less than 30 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator a synchronous dead load (lamp, furnaces etc) has no ____________ hence it has no natural frequency of oscillation. damping torque. mechanical rotatory system. restoring torque. synchronizing power co efficient. damping torque. mechanical rotatory system. restoring torque. synchronizing power co efficient. ANSWER DOWNLOAD EXAMIANS APP