Rooftop units should be leveled when they are installed so that
A) the airflow will travel in the right direction through the evaporator
B) the oil will return to the compressor
C) the refrigerant will travel through the system correctly
D) the condensate can drain properly
D
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The order in which the major divisions involved in a construction project are to perform their work is indicated in the _____.
a. final portion of the takeoff master sheet b. non-technical section of the specifications c. submittal document's summary page d. technical aspects section of the specifications
All residential alarm-sounding devices must have a minimum rating of _____.
a. 60dBA at 10' b. 75dBA at 10' c. 85dBA at 10' d. 120dBA at 10'
Susan planted 62 acres of peanuts following cotton the year before. The cotton needed 215-85-180 units of fertilizer per acre of which some is left over for the peanuts. She used 46-0-0 urea at $501.99 per ton, 18-46-0 DAP at $704.85 per ton, and 0-0-60 muriate of potash at $569.79 per ton. She planted the peanuts 8 inches apart in 36-inch rows. The seed germination was 88.5 percent. Susan used a four-row digger and an eight-row combine with a 36-inch row header to harvest her peanuts. Her digger broke down after digging 0.6 of the peanuts and was in the shop 7.5 days. The mechanic worked 28 hours at $75 per hour to repair the digger and replaced $2,075.60 worth of parts. Since she did not have the use of the digger, she lost 61/ /3 percent ofthe remaining crop because of late digging.
She expected a yield of 3,150 pounds per acre. a. What was the cost of the fertilizer? b. What was the population per acre? c. How many pounds of peanuts were lost because of the breakdown? d. What did the breakdown cost without counting the peanuts lost?
The faster the water flows, the more ____ it becomes
A) destructive B) helpful C) ?benign D) compacted