Electrical Machines Skewing of cage rotors offers the following advantages all of below. uniform torque. locking tendency is reduced. less noise. all of below. uniform torque. locking tendency is reduced. less noise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Universal motors are used in food processing cranes traction All of these food processing cranes traction All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer core is made up of a silicon steel laminations which has maximum flux density 1 Tesla. If it was cold rolled grain oriented its flux density increases to 1.6 Tesla. What is the saving in core size or area due to cold rolled grain oriented process? 40% 38% 68% 60% 40% 38% 68% 60% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following windings are necessary in case of all dc machines? wave winding open type winding lap winding closed winding wave winding open type winding lap winding closed winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the synchronous reactance of alternators in which a given field current of 200 A on short circuit and a generated emf of 50 V on open circuit. Armature resistance is 0.1 ohm 0.23Ω. 0.25Ω. 1Ω. 0.5Ω. 0.23Ω. 0.25Ω. 1Ω. 0.5Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The sequence of induction motor is RYB, then the direction of induction motor can be changed by which of the following sequence? RBY BYR All of these BRY RBY BYR All of these BRY ANSWER DOWNLOAD EXAMIANS APP
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