Electrical Machines The emf induced in the dc generator armature winding is AC AC and DC None of these DC AC AC and DC None of these DC ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, armature reaction refers to what? Effect of field flux on the armature flux. None of these Effect of armature flux on the load. Effect of armature flux on the main field flux. Effect of field flux on the armature flux. None of these Effect of armature flux on the load. Effect of armature flux on the main field flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. Any of above method. None of above. Ward Leonard control. Rheostatic control. Any of above method. None of above. Ward Leonard control. Rheostatic control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 13 HP. 15 HP. 10 HP. 14 HP. 13 HP. 15 HP. 10 HP. 14 HP. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor of a three phase induction motor has an impedance of 0.4 + j4 ohm per phase at standstill the maximum torque occurs at a slip of _____________. 15 %. 25 %. 10 %. 50 %. 15 %. 25 %. 10 %. 50 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the highest possible speed of turbo alternators? 1500 rpm 4000 rpm 3000 rpm 1000 rpm 1500 rpm 4000 rpm 3000 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
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