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Computer Programming MCQs — Test 177

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Question 1
For three-phase induction motors which of the following is the least efficient method of speed control ?
Question 2
Quadrilateral speed-time curve pertains to which of the following services ?
Question 3
Which of the following is the disadvantage of electric traction over other systems of traction ?
Question 4
The rate of acceleration on suburban orurban services is restricted by the consideration of______________?
Question 5
Which of the following braking systems is used on steam locomotives ?
Question 6
Co-efficient of adhesion is________________-?
Question 7
The normal value of adhesion friction is______________?
Question 8
The friction at the track is proportional to________________?
Question 9
Speed-time curve of main line service differs from those of urban and suburban services on following account_______________?
Question 10
The specific energy consumption of a train depends on which of the following ?