Hamad Electric Traction 06/02/2021A. wheel base of axles is more B. degree of curvature is more C. both A. and B. D. none of the aboveRelated Mcqs:The efficiency of diesel locomotives is nearly_______________?A. 20 to 25 percent B. 30 to 40 percent C. 45 to 55 percent D. 60 to 70 percent...Tractive effort is required to_____________?A. overcome the gravity component of train mass B. overcome friction, windage and curve resistance C. accelerate the train mass D. do all of the above...The value of co-efficient of adhesion will be high when rails are_________________?A. greased B. wet C. sprayed with oil D. cleaned with sand...Vacuum is created by which of the following ?A. Vacuum pump B. Ejector C. Any of the above D. None of the above...Suri transmission is_________________?A. electrical-pneumatic B. mechanical-electrical C. hydro-mechanical D. hydro-pneumatic...
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