What would happen if a hydronic system was installed without an expansion tank?
What will be an ideal response?
When water is heated, it expands a great deal; if the expansion tank was not there, the relief valves would open and cause constant flooding.
You might also like to view...
Why must an insulating glass unit (IGU) be fully sealed?
What will be an ideal response?
Beginning 1 month from now, Thaxton Mechanical Products will set aside $1500 per month for possibly replacing its corrosion-resistant diaphragm pumps whenever it becomes necessary. The replacement isn’t needed for 3 years. How much will the company have available if the hoped-for rate of return of 18% per year is achieved?
What will be an ideal response?
A delivery car had a first cost of $30,000, an annual operating cost of $12,000, and an estimated $4000 salvage value after its 6-year life. Due to an economic slowdown, the car will be retained for only 2 years and must be sold now as a used vehicle. (a) At an interest rate of 10% per year, what must the market value of the 2-year-old vehicle be in order for its AW value to be the same as the AW for a full 6-year life cycle? (b) Compare your answer in (a) with the first cost and expected salvage after 6 years. Is the required market value a reasonable one, in your opinion?
What will be an ideal response?
When constructing a truth table from a Boolean expression the first step is to reduce the expression to an SOP form
Indicate whether the statement is true or false