Explore topic-wise MCQs in Basic Civil Engineering.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Basic Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Gravel is a type of:

A. Rounded aggregate
B. Angular aggregate
C. Flaky aggregate
D. Irregular aggregate
Answer» E.
Discussion
2.

What is the symbol used for well graded gravel as per ISC system of classification?

A. WG
B. G
C. GW
D. W
Answer» D. W
Discussion
3.

What is the density of undisturbed gravel?

A. 2630-2760 kg/cum
B. 1920-2160 kg/cum
C. 1600 kg/cum
D. 1200 kg/cum
Answer» C. 1600 kg/cum
Discussion
4.

In crushing test on coarse aggregates, what size particle is taken as a sample?

A. Passing 12.5mm IS sieve
B. Retained on 10mm IS sieve
C. Passing 10mm and retained on 4.75mm IS sieve
D. Passing 12.5mm and retained on 10mm IS sieve
Answer» E.
Discussion
5.

Elongation index of coarse aggregates is calculated using:

A. E=w<sub>1</sub>/w<sub>2</sub>
B. E=w<sub>2</sub>/w<sub>1</sub>
C. E=w<sub>2</sub>-w<sub>1</sub>
D. E=w<sub>2</sub>+w<sub>1</sub>
Answer» B. E=w<sub>2</sub>/w<sub>1</sub>
Discussion
6.

Which size coarse aggregate is ideal for use in a concrete mix?

A. Smaller
B. 4.75-10mm
C. Larger
D. 10-20mm
Answer» D. 10-20mm
Discussion
7.

Flaky particles have:

A. Small thickness
B. Elongated sides
C. Sharp edges
D. Rounded edges
Answer» B. Elongated sides
Discussion
8.

Graded aggregate contains particles of size:

A. Single grade
B. 4.75mm
C. Multi grade
D. &lt;80mm
Answer» D. &lt;80mm
Discussion
9.

How much percent of material which passes through a specific sieve is contained in that single-size aggregate?

A. 50-60%
B. 85-100%
C. 70-90%
D. 80-85%
Answer» C. 70-90%
Discussion
10.

Coarse aggregates are classified into how many groups?

A. 3
B. 4
C. 6
D. 2
Answer» E.
Discussion