Civil Engineering - GATE Exam Questions - Discussion
Discussion Forum : GATE Exam Questions - Section 3 (Q.No. 8)
8.
The superelevation needed for a vehicle travelling at a speed of 60 kmph on a curve of radius 128 m on a surface with a coefficient of friction of 0.15 is :
Discussion:
10 comments Page 1 of 1.
Ravi said:
3 years ago
I think the answer should be in mm.
SUMAN SAURABH said:
4 years ago
0.22145 - 0.15 = 0.0714.
Uttu said:
7 years ago
It is 0.071456.
Morphi said:
7 years ago
@ Ritesh Kumar:
The super elevation "needed" is asked, so the answer is 0.071.
However, the super elevation "provided" will be 0.07, as we can't exceed the limit prescribed by IRC.
The super elevation "needed" is asked, so the answer is 0.071.
However, the super elevation "provided" will be 0.07, as we can't exceed the limit prescribed by IRC.
Ritesh kumar said:
8 years ago
But you cannot exceed the limit for e=0.07?
Vinay singh said:
8 years ago
Answer is 0.0714.
Rakesh kumar said:
9 years ago
Yes, the answer is 0.071 only. I agree.
Ambadas said:
9 years ago
Yes, the answer must be 0.071.
Mayuri said:
10 years ago
But it comes 0.071, can any one explain?
Parwinder said:
1 decade ago
e+f = v^2/127r.
e+0.15 = 60^2/127*128.
e = 0.71.
e+0.15 = 60^2/127*128.
e = 0.71.
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