Home/Volume-3/Internal Combution engines and Locomotives Volume-3 Internal Combution engines and Locomotives Admin03/08/20240 23 Less than a minute Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 0% Internal Combution engines and Locomotives Internal Combution engines and Locomotives 1 / 16 1. The maximum percentage of CO in the exhaust gases before they enter the mine atmosphere is? 0.02% 0.20% 0.30% 0.40% 2 / 16 2. When running the coefficient of friction is taken as? 0.01 0.0025 0.25 0.025 3 / 16 3. In Exhaust conditioner the gases are mixed with about...times their volume of fresh air before being exhausted into ventilating current? 20 to 30 30 to 40 40 to 50 70 to 80 4 / 16 4. Diesel locomotives are not allowed where CH4 percentage exceeds....in general body of air? 0.75% 1.25% 0.50% 1% 5 / 16 5. The minimum thickness of the seam for using trolley wire locomotive is? 1.5 m 1.8 m 2 m 3 m 6 / 16 6. In flame trap of diesel locomotives the plates have a width of ....mm and gap of ...mm between two adjacent plates? 50 ; 0.5 40 ;0.4 30 ;0.5 20 ;0.5 7 / 16 7. The resistance to motion of loco itself when in motion is called? Coefficient of friction Tractive effort Drawbar pull Rolling resistance 8 / 16 8. The steepest gradient in favour of load in loco is determined by? Tractive effort required Load on the train Braking effort Drawbar pull 9 / 16 9. The loco can barely stop itself and the wheels begin to skid when the gradient is? 1 in 15 1 in 25 1 in 12 1 in 14 10 / 16 10. To remove the oxides and aldehydes from the exhaust gases locomotives are fitted with? Dust trap Gas collectors Exhaust conditioners None 11 / 16 11. The diesel oil should have a flash point of not less than? 50 deg C 60 deg C 65 Deg C 75 deg C 12 / 16 12. The optimum gradient for the loco is? 1 in 15 1 in 25 1 in 100 1 in 300 13 / 16 13. The exhaust gases from the engine amounting in all to about....cu.m per B.H.P per minute? 0.5 0.65 0.85 0.085 14 / 16 14. In electrical locomotive the battery consists....of the total weight? 30% 40% 50% 60% 15 / 16 15. Under favourable conditions diesel locomotives of 10 te may deal with output of? 2000 te/day 1500 te/day 1000 te/day 600 te/day 16 / 16 16. The safe distance for brakes in loco is? 30 m 60 m 90 m 15 m Your score is The average score is 53% LinkedIn Facebook Twitter 0% Admin03/08/20240 23 Less than a minute
