Which of the following drives is suitable for mines where explosive gas exists ?

Related Mcqs:

_________ locomotive has the highest operational availability?

A. Electric B. Diesel C. Steam...

Which of the following braking systems on the locomotives is costly ?

A. Regenerative braking on electric locomotives B. Vacuum braking on diesel locomotives C. Vacuum braking on steam locomotives D. All braking systems are equally costly...

Quadrilateral speed-time curve pertains to which of the following services ?

A. Main line service B. Urban service C. Sub-urban service D. Urban and sub-urban service...

When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when_______________?

A. wheel base of axles is more B. degree of curvature is more C. both A. and B. D. none of the above...

_______________watt-hours per tonne km is usually the specific energy consumption for suburban services?

A. 15—20 B. 50—75 C. 120—150 D. 160—200...