Nut drivers are especially useful to the air conditioning technician when ___________.
What will be an ideal response?
service panels on equipment need to be removed or replaced
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The ________ is a piece of stem inserted by means of two graft unions between the scion and the rootstock.
Fill in the blank(s) with the appropriate word(s).
The ____________________ creates much less pressure drop through the valve than the globe valve and is a much better application where excess pressure drop is a concern.
Fill in the blank(s) with the appropriate word(s).
Windshield washer pumps can be damaged if ________
A) Pure water is used in freezing weather B) Ethylene glycol antifreeze is used C) Contaminated windshield washer fluid is used D) All of the above
When searching for the break in a circuit by hop scotching, the technician checks:
A) The voltage at each switch in the circuit. B) The amp draw at each switch in the circuit. C) The resistance of each switch in the circuit. D) The wattage of each switch in the circuit.