Electrical Machines The stator frame in an induction motor is used to ventilate the armature. protect the whole machine. hold armature stamping in position. provide return path for the flux. ventilate the armature. protect the whole machine. hold armature stamping in position. provide return path for the flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series motor is efficiently suitable for low starting torque operation. high starting torque operation. constant speed operation. none of these. low starting torque operation. high starting torque operation. constant speed operation. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wound rotor type IM is used for____________ speed operation. variable. maximum. minimum. constant. variable. maximum. minimum. constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The inertia constant H of a synchronous condenser is none of these. equal to that of the effective length of the line. greater than that of turbo alternator. greater than that of hydro generator. none of these. equal to that of the effective length of the line. greater than that of turbo alternator. greater than that of hydro generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series generators are used in which of the following applications? Arc welding. Air crafts. All of these Used as boosters in dc distribution or transmission. Arc welding. Air crafts. All of these Used as boosters in dc distribution or transmission. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. Rheostatic control. Any of above method. None of above. Ward Leonard control. Rheostatic control. Any of above method. None of above. Ward Leonard control. ANSWER DOWNLOAD EXAMIANS APP