Explore topic-wise MCQs in Concrete Technology.

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

1.

C3 S and C2S require approximately the _____________ amount of water for hydration.

A. Same
B. More
C. Less
D. Depends on the paste
Answer» B. More
Discussion
2.

On cooling below 1250oC, C3S decomposes ____________

A. Fast
B. Slowly
C. Never
D. Depends on the conditions
Answer» C. Never
Discussion
3.

C4AF is not a true compound.

A. True
B. False
Answer» B. False
Discussion
4.

C3 S and C2S require approximately the _____________ amount of water for hydration.

A. Same
B. More
C. Less
D. Depends on the paste
Answer» B. More
Discussion
5.

Gypsum reacts with ____________ to form calcium sulfo aluminates and calcium sulfo ferrite.

A. C<sub>4</sub>AF
B. CF<sub>4</sub>
C. SO<sub>3</sub>
D. CaO
Answer» B. CF<sub>4</sub>
Discussion
6.

On cooling below 1250oC, C3S decomposes ____________

A. Fast
B. Slowly
C. Never
D. Depends on the conditions
Answer» C. Never
Discussion
7.

“C4AF is not a true compound.” Is this statement true or false?$

A. True
B. False
Answer» B. False
Discussion
8.

Loss on Ignition (L.O.I.) is the loss in weight of cement after being heated to _____________

A. 1000°C
B. 100°C
C. 500°C
D. 1500°C
Answer» B. 100¬¨¬®‚Äö√†√ªC
Discussion
9.

Insoluble Residue mainly comes from which compound?

A. Lime
B. Soda
C. Silica
D. Alumina
Answer» D. Alumina
Discussion
10.

”Portland cement is composed of four major oxides (CaO, SiO2, Al2O3, Fe2O3 ≥90%)”. Is this statement true or false.

A. True
B. False
Answer» B. False
Discussion