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?