What is water cement ratio (w-c ratio) and why is it important?
What will be an ideal response?
Water-cement ratio is the weight of water in concrete divided by the weight of Portland cement. The greater the w-c ratio, the lower the strength of concrete.
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Calculate, in inches, the length of 1/8” plate needed to bend a 90-degree angle with I/S leg measurements of a = 3.75” and b = 6.15”. Round to the nearest hundredth.
What will be an ideal response?
Which of the following terms means displacement of soil particles from their original position?
a. Pollution b. Sedimentation c. Erosion d. Turbidity
The effect of a harmonic on the current flowing in the supply conductors is approximately ____ percent.
A. 10 B. 3 to 5 C. 40 to 50 D. 90
The compression system of internal combustion engines uses ____________________ that move up and down in a cylinder
Fill in the blank(s) with correct word