In regards to refrigerant flow through a fixed orifice tube:
A. It enters as a high pressure liquid
B. It enters as a low pressure liquid
C. It leaves as a low pressure gas
D. It leaves as a high pressure liquid
Answer: A
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The ____ is the federal agency that publishes safety standards for business and industry.
a. Environmental Protection Agency (EPA) b. National Fire Protection Agency (NFPA) c. Occupational Safety and Health Administration (OSHA) d. National Electrical Code (NEC)
In the 19th century, estate owners required some staff horticulturists to not only bring plants from
production in the stove house to display in the interior, but ____ as well.
a. to provide proper humidity levels and irrigation b. to lead classes on horticulture c. to provide birds and butterflies to accompany the plants d. to organize the displays
As long as bags of crayfish are kept cool and wet, the crayfish will reach the processing plant in good condition
Indicate whether the statement is true or false
A weeping relief valve on a hot water boiler may be an indication of
A) An extinguished pilot light B) A water-logged expansion tank problem C) A circulating pump that is running continuously D) Low return water temperature