The purpose of a lap joint is to:
A. reinforce the edge
B. join two separate pieces
C. roll the end of the material
D. all of the above
Answer: B
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Incremental cash flow is calculated as (cash flowB? cash flowA), where B represents the alternative with the larger initial investment. If the two cash flows were switched wherein B represents the one with the smaller initial investment, which alternative should be selected if the incremental rate of return is 20% and the MARR is 15%? Explain.
What will be an ideal response?
A cardan-type U-joint may require what tool(s) to replace?
A) A press or a vice B) A special tool C) A torch D) May require any of the above
Why does the compression refrigeration cycle have a high-pressure side?
A) So the refrigerant can evaporate at a high pressure and temperature B) To allow the refrigerant to boil C) To save on the amount of refrigerant required at lower pressures D) So the refrigerant can condense at a high pressure and temperature
With a dual-fuel heat pump, at what outdoor temperature is the heat pump typically locked out and the
furnace activated to provide heat? a. Below 25°F b. Below freezing c. Slightly above the structure's balance point d. 10°F below the balance point