Wear rate of a truck tyre under an average load of 53 tonnes was 0.6m per kilometre of travel when it was just rolling, however, it increased to 5um when it was slipping under a stopping brake on a downhill slope having the grade g = 17%. Calculate the tyre working life in terms of number of kilometres travelled for both (1) rolling and (il) slipping case, if the maximum tyre thread depth was 21 mm. Calculate the stopping brake distance for the case of (iii) rolling and (iv) slipping, when the truck started braking at the speed of 52km/hr.
Wear rate of a truck tyre under an average load of 53 tonnes was 0.6m per kilometre of travel when it was just rolling, however, it increased to 5um when it was slipping under a stopping brake on a downhill slope having the grade g = 17%. Calculate the tyre working life in terms of number of kilometres travelled for both (1) rolling and (il) slipping case, if the maximum tyre thread depth was 21 mm. Calculate the stopping brake distance for the case of (iii) rolling and (iv) slipping, when the truck started braking at the speed of 52km/hr.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
Wear rate of a truck tyre under an average load of 53 tonnes was 0.6m per
kilometre of travel when it was just rolling, however, it increased to 5um when it was slipping
under a stopping brake on a downhill slope having the grade g = 17%. Calculate the tyre
working life in terms of number of kilometres travelled for both (1) rolling and (il) slipping
case, if the maximum tyre thread depth was 21 mm. Calculate the stopping brake
distance for the case of (iii) rolling and (iv) slipping, when the truck started braking at the
speed of 52km/hr.
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