CameraIcon

SearchIcon

MyQuestionIcon

8

You visited us 8 times! Enjoying our articles? Unlock Full Access!

Concrete

Which of the ...

Question

Which of the following parameters is critical in designing cement concrete mix exposed to repeated freeze-thaw?

A

Accelerator

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Water reducer .

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

Excess cement

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

Entrained air

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D Entrained air
Entrained air parameter is critical in designing cement concrete mix exposed to repeated freeze-thaw.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Air entrainment Portland Cement-
(i) offers great resistance to sulphate attack
(iI) offers great resistance to freezing and thawing
(iii) reduces the possibility of shrinkage and crack formation in the concrete surface
(iv) is suitable for mass concreting

Q. Maximum content (kg/m

^{3}

) of ordinary portland cement in design mix of concrete (1 m

^{3}

Q. The minimum quantity of cement content needed in

1 m^{3}

of a reinforced concrete which is exposed to weather is (in kg)

Q. Consider the following statements:
1. The compressive strength of concrete decreases with increase in water-cement ratio of the concrete mix.
2. Water is added to the concrete mix for hydration of cement and workability.
3. Creep and shrinkage of concrete are independent of the concrete mix.
Which of these statements are correct?

Q. Which one of the following is not required in concrete mix-design?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard VII Chemistry

Join BYJU'S Learning Program

CrossIcon