what are the key interview questions that newby civil engineer should be prepared for Site/Construction based Entry Level Roles? Part 1 Concrete and Steel from Nirmit Doshi's Idea / Prospect

For site / construction–based entry-level civil engineering roles, interviewers mainly test fundamental knowledge, practical thinking, safety awareness, and attitude—not advanced design.

Below is a high-yield list of key interview questions, grouped by topic, with what the interviewer is really checking.

1. Basic Civil Engineering Fundamentals

(Almost guaranteed)

Concrete

• What is concrete? Its ingredients?

• What is M20 / M25 concrete?

• Difference between cement and concrete

• What is water–cement ratio and why is it important?

• What happens if excess water is added to concrete?

Steel

• Grades of reinforcement steel (Fe415, Fe500)

• Why is ribbed steel used?

• Lap length – what is it and why is it provided?

• Difference between tension and compression members