Q. Check rails help only in the reduction of lateral wear on the outer rail.

View solution

Q. What is the minimum clearance prescribed for check rails for BG?

View solution

Q. Where are check rails provided on a track?

View solution

Q. Which is the formula for railexcess length which the inner rail gains over outer?

View solution

Q. What should be the maximum station to station variation of versine on curves where speed in excess of 100 kmph are permitted?

View solution

Q. According to cumulative frequency diagrams when should the realignment take place?

View solution

Q. Which of the following is not a major reason for the distortion of alignment of curve?

View solution

Q. Which of the following is the correct formula for finding the length of vertical curve for achieving maximum permissible speed?

View solution

Q. What should be the maximum rate of change of gradient in case of Summit curve?

View solution

Q. Which of the following decides the length of Vertical curve?

View solution

Q. What is formed when 2 different gradients meet?

View solution

Q. Which of the following clearances will not be taken into consideration for adjacent and curved Tracks?

View solution

Q. Which of the following gives the extra clearance outside the curve?

View solution

Q. What is the value of the extra clearance on inside of the curve due to sway of vehicles?

View solution

Q. What is the formula for calculating the extra clearance required for leaning?

View solution

Q. The extra clearance required at centre of the vehicle which projects towards the inside of the curve is called _________

View solution

Q. Why is the effect of curvature taken into consideration for providing extra clearance on curves?

View solution

Q. In case of high speed A and B routes minimum length of 30m should be kept between the 2 curves constituting a reverse curve.

View solution

Q. Which curve is formed by the combination of 2 circular curves with opposite curvatures?

View solution

Q. Length of transition curve connecting two circular curves can be calculated by L=0.008(Cₐ₁-Cₐ₂)xV.

View solution