What is commonly done when a drop-in refrigerant is placed in operating equipment?

a. A crankcase heater is installed.
b. The oil is replaced.
c. A leak-detecting dye is added.
d. The refrigerant piping is replaced.


b

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Some of the wiring under the hood of a late model vehicle is encased in bright orange covering. This indicates ________.

A) High pressure air conditioning system B) High pressure hydraulic systems C) High voltage electrical system D) None of these

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Considering the five major sources of renewable energy—biomass, hydropower, wind, geothermal, and solar—prepare a paper outlining what you believe will be the major source of renewable energy in 2015.

What will be an ideal response?

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Which of the following types of RNA synthesizes amino acids?

a. mRNA c. aRNA b. tRNA d. rRNA

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Welding wire that has been graded for rigid control fabrication comes with a(n) _____

A) Certificate of Conformance B) Certified Chemical Analysis report C) AWS guarantee for chemical safety D) set of cast and helix instructions

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