Civil Engineering - Highway Engineering - Discussion

Discussion Forum : Highway Engineering - Section 5 (Q.No. 36)
36.
In a braking test, a vehicle travelling at 36 km ph was stopped at a braking distance of 8.0 m. The average value of the vehicle's skid resistance (friction coefficient) is
0.64
6.25
0.16
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
16 comments Page 2 of 2.

Binny bana said:   5 years ago
A is correct.

Breaking distance =v^2/2gf.
8=10^2/2*9.81*f,
so = 100/156.7.
=.64 answer.
(6)

Sudhanshu said:   4 years ago
@Shubham.

It's given breaking distance, not SSD.

Braking dist:V^2/254f.
(5)

Nabin Adhikari said:   1 decade ago
F = V^2/(254S) = 0.64.

So correct answer might be A.
(1)

Sourish said:   7 years ago
What about none of this? 16 also more than .15.

Roy said:   8 years ago
The correct Answer is A.

Koushal said:   5 years ago
Here f= a/g.


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