Oxygen is essential for cellular metabolism
A. True
B. False
A
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An advantage of open-drive compressors is that:
A) They are generally less expensive than comparable semihermetic compressors. B) The motor and compressor can be replaced separately. C) They require no type of regular maintenance. D) They are smaller and more compact than hermetic compressors.
What must be done when charging a system that contains a near-azeotropic refrigerant?
a. Charging with refrigerant vapor only. b. Charging with liquid refrigerant. c. Charging by subcooling. d. Charging by weight only.
A geothermal heat pump system:
A) Uses the ground as a heat source in both heating and cooling. B) Uses the ground as a heat source in heating and a heat sink in cooling. C) Uses the ground as a heat sink in heating and a heat source in cooling. D) Uses the ground as a heat sink in both heating and cooling.
In what locations should electric baseboard heaters be installed?
What will be an ideal response?