Electrical Machines The slip of an induction motor normally does not depend on synchronous speed. rotor speed. shaft torque. core loss component. synchronous speed. rotor speed. shaft torque. core loss component. 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 In which of the following speed control of DC motor the speed obtained is below than the rated speed? Armature circuit resistance control. Any of above. Field resistance control. Armature voltage control. Armature circuit resistance control. Any of above. Field resistance control. Armature voltage control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________. 30 %. 1.5 %. 2.67 %. 5 %. 30 %. 1.5 %. 2.67 %. 5 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure resistive load None of these pure inductive load pure capacitive load pure resistive load None of these pure inductive load pure capacitive load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the number of rotor slots is equal to number of stator slots, then motor refuses to start. Hence it is known as cogging. relative speed. air gap. crawling. cogging. relative speed. air gap. crawling. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS