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 BRY All of these RBY BYR BRY All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in induction motor. none of above. synchronous motor. in both machines. induction motor. none of above. synchronous motor. in both machines. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The material used for commutator brushes is mostly carbon. cast iron. mica. copper. carbon. cast iron. mica. copper. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wound rotor type IM is used for____________ speed operation. constant. maximum. variable. minimum. constant. maximum. variable. minimum. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. None of above. Rheostatic control. Any of above method. Ward Leonard control. None of above. Rheostatic control. Any of above method. Ward Leonard control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous reactance( Xs) is the reactance due to leakage flux reactance either due to armature reaction or leakage flux reactance due to armature reaction of the machine combined reactance due to armature reaction and leakage flux reactance due to leakage flux reactance either due to armature reaction or leakage flux reactance due to armature reaction of the machine combined reactance due to armature reaction and leakage flux ANSWER DOWNLOAD EXAMIANS APP
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