What is the purpose of the legend on HVACR electrical diagrams?
A) To provide a reference list of the circuits used in the diagram
B) To show all the product variations and trace the history of that model
C) To provide the operational sequence for the unit
D) To list the symbols used in the diagram and define their use
D
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Pressure gauges are usually attached to the vessel with one or more _____.
a. shutoff valves b. test blinds c. elbows d. thermowells
This is a condition when, due to the limits of dimensions, there is always clearance between mating parts.
a. clearance fit b. allowance c. interference fit d. maximum material condition
Define atomization.
What will be an ideal response?
Cutting plants apart into sections and allowing them to grow is a propagation method called _____
a. tissue culture c. separation b. division d. cuttings