SSC JE Civil Engineering 25th Jan 2018 Shift-2

The wetted perimeter and cross-sectional area of a channel is 5 m and 9 sq. m
respectively. What is the hydraulic radius of the channel?

The flow is classified as the laminar flow when the calculated value of the
Reynolds number is____.

For a laminar flow through a channel, Reynolds number is given by 1500. What is
the friction factor?

“The intensity of pressure at any point in the liquid at rest is same in all the
directions,” this statement is given by_____.

With an increase in the supply of irrigation water, yields of the crops _____.

Calculate the water distribution efficiency, if the depths of penetration along the
length of a border strip at an interval of 20 m are 1.5 m, 1.8 m and 2.1 m
respectively.

Which of the followings are CORRECT values for coefficient of lateral and
longitudinal friction as per IRC?

Calculate the number of sleepers required for 1 km railway track, if sleeper
density is (n+d: for broad gauge and the length of one rail for a broad gauge is
13 m.

What is the surface area $$(m^{2})$$ of settling tank used for design discharge
of $$1.5\frac{m^{3}}{s}$$? (Assume design overflow rate for tank as 40 $$m^{3}/m^{2}$$/day.)

The plume behavior which occurs in the super adiabatic condition with light to
moderate wind speed in the presence of large scale thermal eddies are
known as _____.