Explore topic-wise MCQs in Concrete Technology.

This section includes 5 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.

What is the main function of set retarders?

A. Increase curing rate
B. Slows curing rate
C. Improves workability at low w/c ratio
D. Speeds up start of finishing operations
Answer» C. Improves workability at low w/c ratio
Discussion
2.

Mid-range water reducers result in at least _________ %.

A. 2
B. 4
C. 6
D. 8
Answer» E.
Discussion
3.

Which of the following option doesn t come in mineral admixtures?

A. Set retarders
B. Blast Furnace Slag
C. Flyash
D. Silica Fume
Answer» B. Blast Furnace Slag
Discussion
4.

Which of the following option doesn t come in chemical admixtures?

A. Plasticizers
B. Pozzolanic
C. Super plasticizer
D. Accelerators
Answer» C. Super plasticizer
Discussion
5.

Which of the following statement is incorrect about the function of admixtures?

A. To accelerate the initial set of concrete, to speed up the rate of development of strength at early ages
B. To enhance the workability
C. To reduce the segregation in grout and concrete mixers
D. To retard the initial set, to keep concrete workable for a shorter time for placement
Answer» E.
Discussion