# Quiz on General Civil Engineering Topics Part C – Interview & Exam Preparation

## Quiz on General Civil Engineering Topics Part C – Interview & Exam Preparation

### Introduction on Civil Engineering

CivilDigital brings you series of frequently asked and discussed multiple choice and interview questions for the benefit of every civil engineering student or job seeker for Interview & Exam Preparation.

### Quiz on General Civil Engineering Topics Part C

1.

The following characteristics pertain to the sand filters used in water industry.
I. Filtration rate is 1 to 4 m3/(m2 day).
II. Typical duration of operation in one run is 24 to 72 hours.
III. Operating cost is low.
Which of the above characteristics pertain to slow sand filters?

2.

Water flows at a rate of 10 m3/s in a rectangular channel 3 wide. The critical depth of flow is

3.

A tube well having a capacity of 4/hour operates for 20 hours each day during the irrigation season. How much area can be commanded if the irrigation interval is 20 days and depth of irrigation is 7 cm?

4.

The ruling minimum radius of horizontal curve of a national highway in plain terrain for a fuling design speed of 100 km/hour with e = 0.07 and f = 0.15 is close to

5.

Design rate of super elevation for horizontal highway curve of radius 450 m for a mixed traffic condition, having a speed of 125 km/hour is

6.

Width of carriage way for a single lane is recommended to be

7.

Water flows at a depth of 0.1 m with a velocity of 6 m/s in a rectangular channel. The alternate depth is

8.

In an area of 200 hectare, water table drops by 4 m. If the porosity is 0.35 and the specific retention is 0.15, change in volume of storage in the aquifer i

9.

To have zero active pressure intensity at the tip of a wall in cohesive soil, one should apply a uniform surcharge intensity of

10.

Two footings, one circular and the other square, and founded on the surface of a purely cohesionless soil. The diameter of the circular footing is same as that of the side of the square footing. The ratio of their ultimate bearing capacities is