Electrical Machines In case of induction motors the ratio of length to pole pitch for minimum cost, is taken as 3 to 5. 2 to 3. 1.0. 1.5 to 2. 3 to 5. 2 to 3. 1.0. 1.5 to 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor Increase. Decrease. Remains same. None of these. Increase. Decrease. Remains same. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is suitable for frequent starting and stoppings? Capacitor start capacitor run motor Resistance split phase motor Capacitor start motor All of these Capacitor start capacitor run motor Resistance split phase motor Capacitor start motor All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne test is conducted under which of the following condition? no load full load half load any of the above no load full load half load any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 230.2 V. 100 V. 50 V. 399 V. 230.2 V. 100 V. 50 V. 399 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 14 HP. 13 HP. 15 HP. 10 HP. 14 HP. 13 HP. 15 HP. 10 HP. ANSWER DOWNLOAD EXAMIANS APP
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