Question: The entrained air in concrete A ) Increases workability B ) Decreases workability C ) Decreases resistance to weathering D ) Increasesstrength

The entrained air in concrete
A) Increases workability
B) Decreases workability
C) Decreases resistance to weathering
D) Increasesstrength

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Civil Engineering Questions!

Q:

19. 20. 21. 22. 23. 24. 25. For ensuring quality of concrete, use Graded aggregates Single sized aggregates Two sized aggregate Coarse aggregates. a. b. C. d. Pick up the correct statement from the...

Q:

Why is air entrainment effective? a ) The cushioning effect of the air bubbles relieves the pressure developed by the freezing of water in pores. b ) Entrained air prevents water from freezing. c )...

Q:

You have been introduced to the process of batching and mixing concrete given a mix design. Determine a mix design that meets the following criteria: a. Target strength: 4,000 psi b. Target slump: 2...

Q:

Project specification may effect: a ) Characteristics of the mixture b ) Characteristics of the cement c ) Characteristics of freshly mixed d ) All of the above Defect from over vibration a ....

Q:

Determine the amounts of water, cement, and sand in 10 m 3 of concrete if the cementsandaggregate ratio is 1:2.5:4.5 and the watercement ratio is 0.4. Assume that no air is entrained into the...

Q:

We have been asked to prepare 100 yd 3 of normal concrete using a volume ratio of cementsandcoarse aggregate of 1:2:4. The watercement ratio (by weight) is to be 0.5. The sand contains 6 wt% water,...

Q:

Why is entrained air necessary in concrete? Describe the reason and process for reinforcing concrete.

Q:

Choose the best answer and then select Submit. What is the key to making lightweight concrete? a ) Aggregate selection b ) Using less water c ) Minimal entrained air d ) High strength cement e )...

Q:

A concrete mix contains 1 3 6 kg of gravel, 9 5 kg of sand, 4 2 . 5 kg of Portland cement and 2 2 . 5 kg of water plus 5 % entrained air. How many cement is required to build a low retaining wall 2 8...

Q:

We plan to prepare 10 yd 3 of concrete using a 1:2.5:4.5 weight ratio of cementsandcoarse aggregate. The watercement ratio (by weight) is 0.45. The sand contains 3 wt% water; the coarse aggregate...

Q:

Calculate the Acid test ratio. (Round your answers to the nearest hundredth.) 2015 2014 Acid test ratio

Q:

Raul purchased a new office computer system on February 15, 2015, at a cost of $8,300. He would like to use the General Depreciation System (GDS) straight-line method to depreciate the system and...

Q:

Gamma measures how much an options' value changes if the underlying asset's value increases by $ 1 . a ) True b ) False

Q:

Question 5 of 6 Paid-in Capital in Excess of Par-Common Stock 191,000 Retained Earnings 579,000 During the year, the following transactions occurred. Feb. 1 Mar. 1 Declared a $2 cash dividend per...