Chillers manufactured in the last few years all have ____ controls.
A. electronic
B. hydraulic
C. pneumatic
D. pressure-based
Answer: A
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All safety glasses should meet standards set by ________
A) ASE B) ANSI C) DOT D) SAE
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Using a sketch, explain the difference between a handrail and guardrail of a stair, and give their code-mandated heights.
What will be an ideal response?
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Name two materials that are commonly used to provide or increase the fire -resistance rating of assemblies.
What will be an ideal response?
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What are the state(s) of the refrigerant in the accumulator-drier?
A) Vapor B) Liquid C) Both A and B D) Neither A nor B
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