Evacuating a system is accomplished with a(n) ____________________ and helps to remove air and non-condensable gases from a system.
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Q10: An instrument called a clamp-on ammeter is
Q11: A wiring and crimping tool is used
Q12: A programmable charging scale measures the volume
Q13: A sling psychrometer _.
A) measures the dry-bulb
Q14: Air conditioning and refrigeration reversible ratchet wrenches
Q16: The tool used to create pipe threads
Q17: Which of the following tools is different
Q18: Flare nut wrenches are used to _.
A)
Q19: A gauge manifold used in refrigeration work
Q20: The tool used to create internal threads
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