Computer Programming MCQs

A. Cumulatively compounded long shunt
B. Deferentially compounded long shunt
C. Cumulatively compounded short shunt
D. Differentially compounded short shunt

A. The brushes of opposite polarity should track each other
B. The brushes of same polarity should track each other
C. Brush position has no effect on the commutator grooving
D. None

A. Insulation failure between two commutator bars
B. Insulation failure between two turns of a coil
C. Two of more turns of the same coil getting grounded
D. All of the above

A. Just ahead of magnetic neutral axis
B. In magnetic neutral axis
C. Just behind the magnetic neutral axis
D. None

A. Brushes
B. Field
C. Armature
D. Load

A. current will flow to earth
B. supply voltage will drop
C. supply voltage will increase
D. no current will flow in the conductor

A. Neutralising residual magnetism
B. Creating residual magnetism by a d.c. source
C. Making the magnetic losses of forces parallel
D. Increasing flux density by adding extra turns of windings on poles

A. 640 v
B. 620 v
C. 600 v
D. 580 v

A. permeability variation
B. corona
C. skin effect
D. unsymmetrical fault

A. 1-phase 3 wire
B. 1-phase 4 wire
C. 3-phase 3 wire
D. 3-phase 4 wire