Subject Repository
Electrical Engineering Mcqs
Showing 2881 – 2900 of 3,699 verified multiple choice questions with answers and explanations.
Q2881NTS / FPSC / PPSC
Copper brushes in D.C. machine are used_____________?
Q2882NTS / FPSC / PPSC
For a D.C. generator when the number of poles and the number of armature conductors is fixed, then which winding will give the higher e.m.f___________ ?
Q2883NTS / FPSC / PPSC
In D.C. generators, the cause of rapid brush wear may be___________?
Q2884NTS / FPSC / PPSC
The bearings used to support the rotor shafts are generally______________?
Q2885NTS / FPSC / PPSC
In lap winding, the number of brushes is always_____________?
Q2887NTS / FPSC / PPSC
A separately excited generator as compared to a self-excited generator_____________?
Q2888NTS / FPSC / PPSC
Ward Leonard method of speed control is basically a______________?
Q2889NTS / FPSC / PPSC
Which of the following test can be performed on DC series motor?
Q2890NTS / FPSC / PPSC
Armature reaction in dc motor results___________?
Q2891NTS / FPSC / PPSC
In a DC motor the inter-pole winding is connected in________________?
Q2892NTS / FPSC / PPSC
A dc series motor should not be started on no load because it would___________?
Q2893NTS / FPSC / PPSC
Which of the following method is used for the speed control of DC shunt motor?
Q2894NTS / FPSC / PPSC
If the field winding resistance of a DC shunt motor is increases, its speed will____________?
Q2895NTS / FPSC / PPSC
With the increase in temperature, the speed of DC series motor______________?
Q2896NTS / FPSC / PPSC
With the increase in temperature, the speed of DC shunt motor____________?
Q2897NTS / FPSC / PPSC
In which of the following device the generated emf and armature current are in the opposite directions?
Q2898NTS / FPSC / PPSC