Describe how colored mortar is made.
What will be an ideal response?
Colored mortars are made using white masonry cement or white Portland cement and adding color pigments, colored sand, or colored masonry cements. The final color achieved is the result of blending these ingredients. Trial batches are made and cured until the desired color is developed.
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The steam pressure on Boiler-402 is set at:
a. 60 psig b. 100 psig c. 120 psig d. 180 psig
PROBLEM 3.6 (a) For the hollow shaft and loading shown, determine the maximum shearing stress. (b) Determine the diameter of a solid shaft for which the maximum shearing stress under the loading shown is the same as in part a.
Technician A says that an electronic throttle control uses a stepper motor. Technician B says that an electronic throttle control uses is spring loaded to about 16% to 20% throttle opening. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
The power factor can be defined as the ratio of true power to _____
a. apparent power b. total resistance c. total current d. reactive power