Answer the following statement(s) true (T) or false (F)
Masonry nails and other hardened steel items are safe to drive with a hammer because they do not often break.
ANS: F
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?Which scale on the micrometer is used to measure to 0.0001"?
What will be an ideal response?
What is subcooling?
A) Lowering liquid refrigerant temperature below its saturation temperature B) Lowering refrigerant temperature by flashing some of it off to a gas, cooling the remaining liquid C) Lowering refrigerant temperature below 0°F D) Lowering refrigerant temperature below freezing
Before starting the unit:
A) Purge the system with nitrogen. B) Check the low- and high-side pressures. C) Check the power supply with the unit off. D) Remove the refrigerant.
The colors of the wires in an electrical circuit are usually shown on the _____
a. ladder diagram b. wiring diagram c. component location diagram d. drawing legend