Electrical Machines A 3 stack stepper motor has 12 teeth on stator as well as on rotor. Determine the step size when each stack excited? 24°. 10°. 30°. 45°. 24°. 10°. 30°. 45°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature of DC machine is made of insulating material. silicon steel. conducting material. non-ferrous material. insulating material. silicon steel. conducting material. non-ferrous material. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following pairs is/are correct? semi closed slot-----leakage flux is moderate open slot----- leakage flux is less closed slot----- leakage flux is high All of these semi closed slot-----leakage flux is moderate open slot----- leakage flux is less closed slot----- leakage flux is high All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A lap wound DC machine has 400 conductors and 8 poles. The voltage induced per conductor is 2 volts. The machine generates a voltage of 100 V. 200 V. 400 V. 800 V. 100 V. 200 V. 400 V. 800 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For small value armature current Ia the torque developed by a DC series motor is proportional to √Ia. 1/Ia. Ia2. Ia. √Ia. 1/Ia. Ia2. Ia. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a necessary condition to be satisfied for synchronising an incoming alternator to an already operating alternator? same prime mover speed same frequency same phase sequence same voltage magnitude same prime mover speed same frequency same phase sequence same voltage magnitude ANSWER DOWNLOAD EXAMIANS APP
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