Subject Repository
Electrical Engineering Mcqs
Showing 2741 – 2760 of 3,699 verified multiple choice questions with answers and explanations.
Q2741NTS / FPSC / PPSC
The crawling in the induction motor is caused by____________?
Q2742NTS / FPSC / PPSC
Which of the following methods is easily applicable to control the speed of the squirrel-cage induction motor _____________?
Q2744NTS / FPSC / PPSC
The injected e.m.f. in the rotor of induction motor must have__________?
Q2745NTS / FPSC / PPSC
In case of the induction motors the torque is___________?
Q2746NTS / FPSC / PPSC
The good power factor of an induction motor can be achieved if the average flux density in the air gap is___________?
Q2747NTS / FPSC / PPSC
A double squirrel-cage induction motor has______________?
Q2748NTS / FPSC / PPSC
Star-delta starting of motors is not possible in case of____________?
Q2749NTS / FPSC / PPSC
The starting torque of a squirrel-cage induction motor is___________?
Q2750NTS / FPSC / PPSC
In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be___________?
Q2752NTS / FPSC / PPSC
In case the air gap in an induction motor is increased____________?
Q2753NTS / FPSC / PPSC
In squirrel cage induction motors, the rotor slots are usually given slight skew in order to__________?
Q2754NTS / FPSC / PPSC
In medium sized induction motors, the slip is generally around___________?
Q2755NTS / FPSC / PPSC
Which of the following component is usually fabricated out of silicon steel ?
Q2756NTS / FPSC / PPSC
An induction motor with 1000 r.p.m. speed will have____________?
Q2757NTS / FPSC / PPSC
The term ‘cogging’ is associated with___________?
Q2758NTS / FPSC / PPSC
The number of slip rings on a squirrel cage induction motor is usually____________?
Q2759NTS / FPSC / PPSC