Computer Programming MCQs — Test 180
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Question 1
A cumulatively compounded long shunt generator when operating as a motor would be____________?
Question 2
To avoid formation of grooves in the commutator of a D.C. machine?
Question 3
The following constitute short-circuit in the armature winding.
Question 4
To achieve sparkless commutation brushes of a D.C. generator are rockedm ahead so as to bring them?
Question 5
In a D.C. generator the critical resistance refers to the resistance of_____________?
Question 6
When a live conductor of public electric supply breaks down and touches the earth which of the following will happen?
Question 7
Flashing the field of D.C. generator means:______________?
Question 8
The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be_____________?
Question 9
When a conductor carries more current on the surface as compared to core, it is due to___________?
Question 10
The following system is not generally used?