A common practice in condensing units is to use a contactor with only one set of contacts opening only one side of the power to the unit. This is to ____.
A. reduce the cost of the contactor
B. make it easier to wire the unit
C. teach the service technician not to put hands in the unit with the power on
D. provide off-cycle heat to the compressor
Answer: D
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Discuss the different methods horticulturalists may use to control the growth rate,
size, and shape of plants. Which are the advantages and disadvantages of each method?
What will be an ideal response?The hole drilled in sheet metal for a tapping screw should be the approximate size of the ____.
A. thread diameter B. thread root diameter C. shank diameter D. head diameter
Old Southwest Canning Co. has determined that any one of four machines can be used in its chili-canning operation. The cost of the machines are estimated below, and all machines have a 5-year life. If the minimum attractive rate of return is 25% per year, determine which machine should be selected on the basis of a rate of return analysis.
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These are separate notes that identify the quality, quantity, or type of materials and fixtures to be used in the project:
A. stipulations B. qualifications C. conditions D. specifications E. all of the above