The DOT-approved cylinder used for recovering refrigerant is gray and yellow.
Answer the following statement true (T) or false (F)
True
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In a wastewater cooled system, the difference between the condensing temperature of the refrigerant and the leaving water temperature is approximately ____.
A. 10°F B. 20°F C. 30°F D. 40°F
In a right triangle, if one leg is 17.5 inches and the other leg is 19.25 inches, what is the length of the hypotenuse to the nearest hundredth inch?
What will be an ideal response?
What are two-position controls?
A) Two-position controls will work correctly on either side of the electrical circuit. B) Two-position controls simply stop and start devices to maintain the desired condition. C) Two-position controls can be mounted either horizontally or vertically and still operate correctly. D) Two-position controls incorporate a normal operating setting and an energy-saving economy mode.
When using power tools, never engage the _____
a. locking spring b. booster c. bit shank d. trigger lock