Civil Engineering - UPSC Civil Service Exam Questions

What will be the curve lead for a 1 in 8 1/2 turnout taking off from a straight broad gauge track?

A timber beam of 100 mm width and 200 mm depth is reinforced with two steel plates of 100 mm width and 5 mm thickness as shown in figures.

Which one of the following statements is correct for the same value of bending stress in the timber ?

The following statements relate to the pressure exerted by a fluid on a Submerged curved surface :
1. The vertical component of hydrostatic force acting on a submerged curved surface acts through the centre of volume of the fluid directly above the submerged area.
2. The horizontal component of the force acting on a curved surface is the hydrostatic force acting on the vertical projection of the curved surface.
3. The resultant force on a curved surface acts on the bottom of th6 curved surface.
Of these statements :

The lost time due to starting delay on a traffic signal is noted to be 3s, the actual green time is 25s and yellow time is 3s. How much is the effective green time ?

Consider the following locations of a turnout:
1. Tongue rail
2. Lead rail
3. Toe of switch
4. Crossing.
Which is the correct sequence for a train to pass over the turnout from the facing direction?