Electrical Machines Generator works on the principle of production dynamically induced emf. None of these both A and B. static induced emf. dynamically induced emf. None of these both A and B. static induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A voltmeter gives 120 oscillations per minute when connected to the rotor of an induction motor. The frequency is 50Hz. The slip of the motor is 2% 5% 25% 4% 2% 5% 25% 4% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Lenz's law. Fleming's right hand rule. Fleming's left hand rule. Ampere's law. Lenz's law. Fleming's right hand rule. Fleming's left hand rule. Ampere's law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator can be considered as power pump. rectifier. rotating amplifier. prime mover. power pump. rectifier. rotating amplifier. prime mover. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reversing the direction of rotation of split phase motors is done by interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of main winding. All of these reversing the terminals of starting winding. interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of main winding. All of these reversing the terminals of starting winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The air gap between stator and the rotor of the 3 - φ induction motor is kept as wide as possible. air gap does not matter. depends on the material of stator and the rotor. as small as possible. as wide as possible. air gap does not matter. depends on the material of stator and the rotor. as small as possible. ANSWER DOWNLOAD EXAMIANS APP
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