Portland cement and lime (PCL) together function as the binder in masonry mortar. What is the role of lime (L) in mortar after the wall has been constructed?
What will be an ideal response?
Post construction, lime increases the wall's watertightness so that the wall has greater water leakage resistance.
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Explain why modern networks are more susceptible to attacks than mainframe computers of the past.
What will be an ideal response?
You and your partner have become very interested in cross-country motorcycle racing and wish to purchase entry-level equipment. You have identified two alternative sets of equipment and gear. Package K has a first cost of $160,000, an operating cost of $7000 per quarter, and a salvage value of $40,000 after its 2-year life. Package L has a first cost of $210,000 with a lower operating cost of $5000 per quarter, and an estimated $26,000 salvage value after its 4-year life. Which package offers the lower present worth analysis at an interest rate of 8% per year, compounded quarterly?
What will be an ideal response?
What does the air conditioning compressor do to the system refrigerant?
A. Increases its volatility. B. Increases its pressure C. Changes it form a vapor to a liquid. D. Increases its speed.
Of the following choices, the warmest temperature is ____ while the coldest temperature is ____.
A. 20°C B. 303°K C. 501°R D. 77°F