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.
B
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People moved into the Old Northwest for all of the following reasons EXCEPT
A. the canal and highway boom opened the area to settlement. B. the Indian threat had been substantially weakened. C. to acquire cheap and productive land. D. to escape the domination of wealthy plantation owners. E. to expand the territory where slavery was legal.
The ASHRAE standard for whole house ventilation in CFM is calculated as ____% of the CFA, plus 7.5 CFM times the number of bedrooms plus 1.
A. 1 B. 5 C. 10 D. 25
The Occupational Safety and Health Act, or OSH Act, of 1970 mandates that employers provide safety and health training.