# Civil Engineering Top 100 Interview Questions

- What is Water-Cement Ratio and How it is related to the strength of concrete?
- What is a bearing capacity of soil?
- How to increase the bearing capacity of soil?
- What are the different types of foundation?

- Explain moment of inertia and its importance.
- How do we determine the specific gravity of a cement?
- What are the steps involved in the concreting process, explain?
- Describe briefly the various methods of concrete curing.
- What is the minimum curing period?

- What Do You Understand by
**M25 Concrete**? - Density Of 1 cum cement?What are the causes of building collapse?
- What is bar bending schedule (BBS) & how to prepare it?
- Why is concrete cube test carried out?
- Why is concrete slump test carried out?
- What is bleeding, segregation, honeycombing of concrete?
- What is pre-stressed concrete? Which reinforcement is used in prestressed concrete?
- What is the ratio of steel and concrete to use in slabs, beams, columns?

- How many bricks are there in 100cft?
- 28 days compressive strength of concrete in PSI?
- How to calculate the unit weight of steel bars?
- What is Plinth Level and Sill Level?
- What is Brest Wall?
- What is Brick crushing strength(PSI)?
- How many are the types of joints?

- How can cracks in concrete be avoided?
- Types Of DPC and its Thickness used?
- 28 Days Strength of Concrete (1:2:4)?
- What are the CAD softwares you have used?
- Interpret a strss vs strain curve.
- Define modulus of elasticity.
- What are the chemical compositions of cement?
- What is creep & shrinkage of concrete?

- Difference between pre-tensioning and post-tensioning?
- What are the weights of 16mm, 12mm, 20mm, 25mm, 8mm Dia. Bars.
- What is the minimum Propping Period of Beams and Slabs of various Spans?
- What are the advantages of Prestressed Concrete over R.C.C?
- Quantity of materials required for different works.
- Which is stronger solid steel rod or hollow steel pipe?
- Initial & final setting time of concrete?
- Why we provide steel in concrete?

- Is brick strength more or concrete block?
- How many types of slabs are there & how to design it?How much is the cover for slab?
- What do you mean by Fe415?
- What are the functions of a column in a building?
- How many feet are in 4 square yards?
- What is the average density of soil?
- What is the ratio of Grades M5, M7.5, M10, M15, M20, M25, M30, M35, M40?
- Why foundation is provided?
- The concrete slump recommended for beams and slabs; is-
- What is the meaning of soil reinforcement?

- What is the different type of slump test indications?
- What is buckling or crippling load?
- Define slenderness ratio. What is its effect on the design of compression member?

- Maximum % of Steel in columns and beams?
- What is fineness modulus?
- What is Packing Factor?
- Difference between one way slab & two way slab?
- Difference between QA & QC?
- What do 53 stands for in 53-grade cement?

- How do you construct a 25 storey building with no columns?
- Types of loads on structure?
- Difference between pre-tensioning and post-tensioning?
- What is the L/D ratio of a cantilever beam?
- What is camber?
- What is batching? Difference between volume and weight batching?
- How is a theodolite leveled?
- What is a benchmark? Name the different types.
- Types of admixtures?

- Define slenderness ratio. What is its effect on the design of compression member?
- Shear force and BM diagrams for different types of loadings on beams.
- Difference between mild steel and HYSD bars?
- What do you understand by 80/100 bitumen?
- What is differential settlement?