Pipe ____________________ when heated and ____________________ when cooled.
Fill in the blank(s) with the appropriate word(s).
ANSWER: expands, contracts
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The orifice tube is usually located at the inlet tube to the ________.
A) Evaporator B) Receiver-drier C) Compressor D) Condenser
?According to the API code, the maximum offset for pipes of the same nominal diameter is ____.
A. ?1/32 in. (0.8 mm) B. ?1/16 in. (1.6 mm) C. ?3/32 in. (2.4 mm) D. ?1/8 in. (3 mm)
Summarize the requirements and related safe practices for conveyors in construction
What will be an ideal response?
The noise criteria (NC) rating system used to rate the sound levels of registers and grilles is:
A) A subjective scale ranking registers from 1—10. B) Based on graphical analysis of standing pressure waves. C) The average decibel reading of five specific frequencies of sound. D) The decibel reading at a frequency of 1,500 Hz.