List some maintenance items that can be inspected visually
What will be an ideal response?
Combustion air grills in the case of gas and oil appliances, Mechanical components properly supported, Ductwork insulated, Suction line insulated, Service clearance in front of unit, Drains running downhill
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A very common device that uses the principle of expanding metal to operate a set of contacts is the ____________________ relay found in the refrigeration industry.
Fill in the blank(s) with the appropriate word(s).
Without plenty of ____________________ for the people, little progress can be made by any society or civilization
Fill in the blank(s) with correct word
There are approximately __________ billion people in developed countries and __________ billion people in developing countries
Fill in the blank(s) with correct word
A cylinder is given the dimension Ø18.2/17.8. The feature control frame has one horizontal line as the first element, and "0.1" as the second element. What does this mean?
A. The straightness tolerance is applied to the axis of the cylinder. B. The MMC is 18.3. C. The LMC is 17.8. D. both a and c E. all of the above