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

## Quiz on General Civil Engineering Topics Part B – 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.

1. The four cross sections shown below are required to be ordered in the increasing order of their respective shape factors.

Which of the following order is correct? 2. If the pump head is 75m, discharge is 0.464 m3/s and the motor speed is 1440 rpm at rated condition, the specific-speed of the pump is about
3. In a drained triaxial compression test, a saturated specimen of a cohesionless sand fails under a deviatoric stress of 3 kgf/cm2 when the cell pressure is 1 kgf/cm2. The effective angle of shearing resistance of sand is about
4. A deep cut of 7m has to be made in a clay with unit weight 16 kN/ and a cohesion of 25 kN/. What will be the factor of safety if one has to have a slope angle of 30°? Stability number is given to be 0.178 (from Taylor’s chart) for a depth factor of 3.
5. The BOD removal efficiency, in percentage, during primary treatment, under normal conditions is about
6. If duty (D) is 1428 hectares/cumec and base period (B) is 120 days for an irrigated crop, then delta (Δ) in meters is given by
7. The two criteria for the determination of allowable bearing capacity of a foundation are
8. The following two statements are made with reference to the planar truss shown below:

I. The truss is statically determinate
II. The truss is kinematically determinate

With reference to the above statements, which of the following applies? 9.

Cavitation is caused by

10.

The ultimate bearing capacity of a soil is 300 kN/. The depth of foundation is 1m and unit weight of soil is 20 kN/. Choosing a factor of safety of 2.5, the net safe bearing capacity is