Electrical Machines Reversing the direction of rotation of split phase motors is done by All of these interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of starting winding. reversing the terminals of main winding. All of these interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of starting winding. reversing the terminals of main winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 1-phase induction motor, if the forward torque slip is S, what is the backward torque slip? 1/S 1-S 2-S S 1/S 1-S 2-S S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a shunt generator delivers 100 A at 200 V, and the resistances of the shunt field and armature are 100 ohms and 0.01 ohms respectively, the generator emf will be series. parallel. no resistance is connected. any one of the connection. series. parallel. no resistance is connected. any one of the connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator runs at 750 rpm and generate an emf of 240 V. The armature is wave wound and has 792 conductors. If the total flux from each pole is 0.0145 Wb. What is the leakage co-efficient? 1.2. 1.8. 1.5. 1.4. 1.2. 1.8. 1.5. 1.4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct statements? EMF per turn in both the windings are equal EMF per turn in HV winding is more than EMF per turn in LV winding All of these EMF per turn in HV winding is less than EMF per turn in LV winding EMF per turn in both the windings are equal EMF per turn in HV winding is more than EMF per turn in LV winding All of these EMF per turn in HV winding is less than EMF per turn in LV winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an additional resistance is connected in series with a DC motor operating at rated speed, the speed of the motor will Reduce. Remain unaltered. Increase. Oscillate around the normal speed. Reduce. Remain unaltered. Increase. Oscillate around the normal speed. ANSWER DOWNLOAD EXAMIANS APP
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