Subject Repository
Electrical Engineering Mcqs
Showing 2601 – 2620 of 3,699 verified multiple choice questions with answers and explanations.
Q2601NTS / FPSC / PPSC
Speed control of a universal motor is achieved by__________?
Q2602NTS / FPSC / PPSC
Which of the following statements regarding hysteresis motor is in incorrect?
Q2603NTS / FPSC / PPSC
The starting winding of a single-phase motor is placed in_________?
Q2604NTS / FPSC / PPSC
The speed of a universal motor is usually reduced by using____________?
Q2606NTS / FPSC / PPSC
Which motor is normally free from mechanical and magnetic vibrations ?
Q2607NTS / FPSC / PPSC
As hysteresis motors are free from mechanical and magnetic vibrations therefore these are considered as suitable for__________?
Q2608NTS / FPSC / PPSC
The direction of rotation of universal motor can be reversed the by reversing the flow of current through__________?
Q2609NTS / FPSC / PPSC
When a D.C. series motor is connected to A.C. supply, the power factor will be low because of____________?
Q2610NTS / FPSC / PPSC
In which single-phase motor, the rotor has no teeth or winding ?
Q2611NTS / FPSC / PPSC
The speed of a universal motor is generally reduced by using_________?
Q2612NTS / FPSC / PPSC
Which of the following single-phase motors has relatively poor starting torque ?
Q2613NTS / FPSC / PPSC
Which of the following motors can be used for unity power factor ?
Q2614NTS / FPSC / PPSC
Which type of load is offered by cranes and hoists ?
Q2615NTS / FPSC / PPSC
The wattage rating for a ceiling fan motor will be in the range_________?
Q2616NTS / FPSC / PPSC
The wattage of motor for driving domestic sewing machine will be around__________?
Q2617NTS / FPSC / PPSC
In case of high speed universal motor which of the following needs more attention?
Q2618NTS / FPSC / PPSC
The repulsion-start induction-run motor is used because of___________?
Q2619NTS / FPSC / PPSC