What kinds of pressures are expressed in inches of water column?
A) Atmospheric pressure or vacuum
B) Air pressure in ductwork or gas line pressure
C) Refrigeration system high and low side pressures
D) Saturation pressures on a saturation pressure-temperature chart
B
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When can electrical shock occur?
A) When a person comes into contact with an insulated wire B) When a person uses properly grounded electrical equipment C) When a person works on electrical equipment without checking that the power source is off D) When a person works with electrical equipment in a wet or damp environment
Which of the following is the most important requirement before taking a truck out on a road test?
A. circle test B. check oil level C. driver is properly licensed D. check coolant level
Determine the amount of backfill needed for the basement in Problem 31. Ignore any backfill inside of the walls. From Problem 31 the depth of excavation was 10 ft and quantity of excavation was 594 bcy. Find the volume of the basement:
What will be an ideal response?
A recently hired CEO (chief executive officer)wants to reduce future production costs to improve the company’s earnings, thereby increasing the value of the company’s stock. The plan is to invest $70,000 now and $50,000 in each of the next 2 years to improve productivity. By how much must annual costs decrease in years 3 through 10 to recover the investment plus a return of 15% per year?
What will be an ideal response?