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Computer Programming MCQs — Test 88

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Question 1
In a D.C. machine the number of brush arms is _________ the number of poles?
Question 2
Which of the following problem arises in D.C. motors which are fed from thyristor bridge circuits ?
Question 3
Which of the following brushes can be used for high values of current density ?
Question 4
is usually used for brush rockers____________?
Question 5
The stator of a D.C. machine comprises of_____________?
Question 6
Which of the following in an application of D.C. motors?
Question 7
The cylindrical windings using circular conductors are used for current rating of____________?
Question 8
D.C. servomotors are used in______________?
Question 9
The laminations of the armature of a D.C. machine are usually ___________ thick?
Question 10
___________ brushes are fragile and cause excessive wear of commutator?