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 For standing a DC motor a starter is required because it limits the speed of the motor. it limits the starting current to a safe value. None of these It starts the motor. it limits the speed of the motor. it limits the starting current to a safe value. None of these It starts the motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cross magnetization effects which of the following? both 2 and 3 reduction in main field flux commutation reduces the terminal voltage both 2 and 3 reduction in main field flux commutation reduces the terminal voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as magnetostriction. zoom. boo. hum. magnetostriction. zoom. boo. hum. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for parallel operation of alternators? Speed of alternators should be same Terminal voltage is same Frequency should be same Both 1and 2 Speed of alternators should be same Terminal voltage is same Frequency should be same Both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase slip ring induction motor is wound for 4 poles on stator and 6 poles on the rotor. When 3-phase balanced voltage source at 50 Hz is applied, it will run at zero speed 1500 rpm 1000 rpm 750rpm zero speed 1500 rpm 1000 rpm 750rpm ANSWER DOWNLOAD EXAMIANS APP
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