Subject Repository
Electrical Engineering Mcqs
Showing 2861 – 2880 of 3,699 verified multiple choice questions with answers and explanations.
Q2861NTS / FPSC / PPSC
The material for commutator brushes is generally_______________?
Q2862NTS / FPSC / PPSC
In case of a 4-pole D.C. generator provided with a two layer lap winding with sixteen coils, the pole pitch will be__________________?
Q2863NTS / FPSC / PPSC
If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by______________?
Q2864NTS / FPSC / PPSC
If a D.C. generator fails to build up the probable cause could not be_____________?
Q2865NTS / FPSC / PPSC
Brushes of D.C. machines are made of_________?
Q2866NTS / FPSC / PPSC
In D.C. generators, current to the external circuit from armature is given through_____________?
Q2867NTS / FPSC / PPSC
Iron losses in a D.C. machine are independent of variations in______________?
Q2868NTS / FPSC / PPSC
Iron losses in a D.C. machine are independent of variations in_____________?
Q2869NTS / FPSC / PPSC
The armature of D.C. generator is laminated to_______________?
Q2870NTS / FPSC / PPSC
Laminations of core are generally made of________________?
Q2871NTS / FPSC / PPSC
Which of the following could be lamina-proximately the thickness of laminations of a D.C. machine ?
Q2872NTS / FPSC / PPSC
The commutator segments are connected to the armature conductors by means of___________?
Q2874NTS / FPSC / PPSC
The field coils of D.C. generator are usually made of_____________?
Q2877NTS / FPSC / PPSC
While applying Fleming’s right-hand rule to And the direction of induced e.m.f., the thumb points towards___________?
Q2878NTS / FPSC / PPSC
In D.C. generators the pole shoes are fastened to the pole core by_____________?
Q2879NTS / FPSC / PPSC