Specific gravity is used in the HVACR industry:
A) For charging air conditioners. B) For determining system capacity.
C) For sizing gas lines. D) For recovering refrigerant.
C
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What are simple drawings that show a general overview of a process and contain few specifics?
A. Block flow diagrams B. Process flow diagrams C. Utility flow diagrams D. Electrical diagrams
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_____ is the union of the pollen and the stigma
a. Flowering c. Pollination b. Styling d. Pagination
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The majority of the bees in a colony are drones
Indicate whether the statement is true or false
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Many chemical and toxic substances used in modern industry are flammable or combustible.