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 permissible limits for construction of suspended matter in water?

A. 200mg/l
B. 2000mg/l
C. 3000mg/l
D. 500mg/l
Answer» C. 3000mg/l
2.

What is the permissible limits for construction of inorganic matter in water?

A. 200mg/l
B. 2000mg/l
C. 3000mg/l
D. 500mg/l
Answer» D. 500mg/l
3.

The mineral oil if present in mixing for concrete __________

A. Improves strength
B. Reduces strength
C. Gives more slump
D. Gives a smooth surface
Answer» B. Reduces strength
4.

The vegetable oil if present in mixing for concrete __________

A. Improves strength
B. Reduces strength
C. Gives more slump
D. Gives a smooth surface
Answer» C. Gives more slump
5.

Which of the following statement is incorrect for mixing water?

A. Suspended particles of clay and slit < .02%
B. The quality of CaCl<sub>2</sub> is restricted to 1.5%
C. The pH value of water should be between 6-8
D. Free vegetable oil is beneficial
Answer» E.