Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 13 HP. 14 HP. 10 HP. 15 HP. 13 HP. 14 HP. 10 HP. 15 HP. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The reduced air gap results in an increase cost of operation. starting torque. breaking torque. power factor. cost of operation. starting torque. breaking torque. power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - φ induction motor running at full load which of these parameters is stationary with respect to the stator mmf wave? Stator winding. Both rotor and stator winding. Rotor winding. Rotor mmf wave. Stator winding. Both rotor and stator winding. Rotor winding. Rotor mmf wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the operating region of slip in a 1-phase induction motor? 0 < S < 1 -1 < S < 1 -2 < S < 2 0 < S < 2 0 < S < 1 -1 < S < 1 -2 < S < 2 0 < S < 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which one of the following statement is correct ? In an induction motor if the air gap is increased then its power factor will reduce its speed will reduce its efficiency will improve its speed will increase its power factor will reduce its speed will reduce its efficiency will improve its speed will increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a single phase capacitor start induction motor which of the following is valid? Direction of rotation cannot be changed. Rotation can be changed by interchanging supply terminals. None of these. Rotation can be changed by reversing main winding terminals. Direction of rotation cannot be changed. Rotation can be changed by interchanging supply terminals. None of these. Rotation can be changed by reversing main winding terminals. ANSWER DOWNLOAD EXAMIANS APP
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