Provide a list of preliminary checks when troubleshooting oil furnaces
What will be an ideal response?
Check the Fuel - Start by checking to see if there is oil in the tank and if the oil is clean.
Make sure all valves in the fuel lines are open.
Check the combustion chamber for unburned oil - better safe than sorry! Check the voltage to the furnace, including the grounding and polarity. Check to see that the thermostat is calling for heat. The furnace won't operate unless it is told to.
Check to see if the primary control has tripped.
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Networking smaller more specialized modules is more cost effective than using one or two centralized complex modules.
Answer the following statement true (T) or false (F)
?If a graph of a distribution shows a very narrow range, which statement is most likely true?
A. ?the mean and the median are identical B. ?the distribution has a large standard deviation C. ?the distribution has a small standard deviation D. ?there is much variation in the values in the distribution
When using inert gas to displace oxygen from a container prior to cutting, provide a _____.
a. relief valve b. weephole c. drain plug d. vent hole
In 1971, a group of Vietnam War veterans in the U.S.
A. tossed their medals in front of the Capitol building to protest against the war. B. fought the antiwar movement with a demonstration on behalf of U.S. soldiers. C. protested the lack of medical care and benefits for returning soldiers. D. encouraged young men in Times Square, NY, to enlist in the U.S. military. E. supported expanded roles for women in the military.