Computer Programming MCQs — Test 17
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Question 1
Hopkinson’s test on D.C. machines is conducted at_______________?
Question 2
During rheostat braking of D.C. series motors_____________?
Question 3
For which types of D.C. motor, dynamic braking is generally used ?
Question 4
Which method of braking is generally used in elevators ?
Question 5
In variable speed motor___________?
Question 6
When the armature of a D.C. motor rotates, e.m.f. induced is___________?
Question 7
Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control______________?
Question 8
If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens____________?
Question 9
D.C. motor is to drive a load which has certain minimum value for most of the time and some peak value for short duration. We will select the________________?
Question 10
D.C. motor is to a drive a load which is almost nil for certain part of the load cycle and peak value for short duration. We will select this______________?