The level of a material can be determined by measuring the weight of the contents in a pressurized container.
Answer the following statement true (T) or false (F)
False
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The purpose of the trap in a condensate drain is to:
A) Provide a place for coil slime to collect so that is can be easily cleaned out. B) To insure that some water is always standing in the evaporator drain pan. C) To keep snakes and insects from crawling up the drain into the coil. D) Offset the negative pressure on the drain that can prevent the water from draining.
Emery boards are discard after each use because:
What will be an ideal response?
The advantage of using a thermistor-type thermometer over a mercury-filled thermometer for measuring refrigerant line temperature is that the thermistor-type does not have to be insulated.
Answer the following statement true (T) or false (F)
The term "Empirical Program Development" describes ________
A) A development process that is highly structured and always produces the same ladder logic program B) A development process that often produces a slightly different ladder logic program, after testing the program often has to be modified, but all are equally optimal solutions C) A development process that is not structured but always produces the same ladder logic program D) A development process that often produces a slightly different ladder logic program, after testing the program often has to be modified, and where one solution is more optimal than all the others