A 200-pound air handler is to be suspended by four threaded rods with a spring-mounted vibration isolator on each rod. What weight rating (in pounds) of the vibration isolators should be used?
a. 200
b. 100
c. 75
d. 50
b. 100
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How many degrees in 5/8 of a circle?
What will be an ideal response?
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The data shown below were obtained by time-lapse photography on a highway. Use regression analysis to fit these data to the Greenshields model and determine (a) the mean free speed, (b) the jam density, (c) the capacity, and (d) the speed at maximum flow.
What will be an ideal response?
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____________________ mites lodge in the air passages of adult bees and suffocate them.
Fill in the blank(s) with the appropriate word(s).
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When an air conditioning system has been pumped down, which component is not isolated?
A. evaporator B. filter/drier C. TXV D. compressor
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