Electrical Machines If s is the slip and f is the supply frequency of an induction motor, the frequency of rotor current is given by sf. f / s. sf / 2. s2. sf. f / s. sf / 2. s2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating magnetic field is produced in an induction motor because of either stator winding or rotor winding. None of these stator winding. rotor winding. either stator winding or rotor winding. None of these stator winding. rotor winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The commutator segments of DC machines are made up of copper alloy brass hard-drawn copper copper copper alloy brass hard-drawn copper copper ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors are suitable for computer printer drive ? Reluctance motor. Hysteresis motor. Shaded pole motor. Stepper motor. Reluctance motor. Hysteresis motor. Shaded pole motor. Stepper motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At stand still condition the value of slip is 1 infinite value 0 finite value 1 infinite value 0 finite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the reason for stationary armature essential in alternators above 5 KVA? Collecting of large current is simple. All of these Insulation requirement is less. Operating cost is less. Collecting of large current is simple. All of these Insulation requirement is less. Operating cost is less. ANSWER DOWNLOAD EXAMIANS APP