To safely increase the pressure in a refrigerant cylinder while charging a system, the technician should:
A) Heat the bottom of the cylinder with a small propane torch.
B) Run warm water over the cylinder.
C) Immerse the cylinder in a tub of boiling water.
D) Heat the top of the cylinder with a small propane torch.
B
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NEC® Article __________ provides many installation requirements for overcurrent protection devices.
a. 210 b. 230 c. 250 d. None of the above
____________________ prototyping is the process of creating a solid model in a computer-controlled machine using a CAD design file.
Fill in the blank(s) with the appropriate word(s).
A friable soil is usually more likely to be indurated
Indicate whether the statement is true or false
The sum of all angles in a square, rectangle or parallelogram is equal to
Fill in the blank(s) with the appropriate word(s).