Subject Repository
Electrical Engineering Mcqs
Showing 2901 – 2920 of 3,699 verified multiple choice questions with answers and explanations.
Q2901NTS / FPSC / PPSC
In the D.C. motor the iron losses occur in____________?
Q2902NTS / FPSC / PPSC
Which D.C. motor has got maximum self relieving property ?
Q2903NTS / FPSC / PPSC
D.C. motor is to a drive a load which is almost nil for certain part of the load cycle and peak value for short duration. We will select this______________?
Q2904NTS / FPSC / PPSC
D.C. motor is to drive a load which has certain minimum value for most of the time and some peak value for short duration. We will select the________________?
Q2905NTS / FPSC / PPSC
If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens____________?
Q2906NTS / FPSC / PPSC
Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control______________?
Q2907NTS / FPSC / PPSC
When the armature of a D.C. motor rotates, e.m.f. induced is___________?
Q2909NTS / FPSC / PPSC
Which method of braking is generally used in elevators ?
Q2910NTS / FPSC / PPSC
For which types of D.C. motor, dynamic braking is generally used ?
Q2911NTS / FPSC / PPSC
During rheostat braking of D.C. series motors_____________?
Q2912NTS / FPSC / PPSC
Hopkinson’s test on D.C. machines is conducted at_______________?
Q2913NTS / FPSC / PPSC
Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity ?
Q2914NTS / FPSC / PPSC
The purpose of retardation test on D.C. shunt machines is to find out____________?
Q2915NTS / FPSC / PPSC
D.C. generators are installed near the load centres to reduce_____________?
Q2916NTS / FPSC / PPSC
In a D.C. generator, the iron losses mainly take place in___________/
Q2917NTS / FPSC / PPSC
D.C. generators are normally designed for maximum efficiency around_____________?
Q2918NTS / FPSC / PPSC