What tests can a technician perform on an oil furnace that will check the combustion efficiency?

What will be an ideal response?


Draft test, smoke test, flue stack test (net temperature), CO2 test.

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A test that is used to measure the consistency or stiffness of concrete is a(n) _____.

a. air entrainment test b. gravimetric test c. air entrapment test d. slump test

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Nozzles can be cleaned to remove any carbonization by using a very fine wire brush.

Answer the following statement true (T) or false (F)

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Why did Romans divide power in their government between the two guardians of the Republic, each of whom could veto the actions of the other?

a. to introduce a system of checks to limit the power of a single ruler b. to limit the consul’s term to a single year c. to choose magistrates to guide the state d. to ensure that the Roman lower classes would play no role in Roman affairs

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Nondestructive examination (NDE) methods are any tests that are used to test equipment and components _____

A) without damaging them B) while causing only minor damage C) using chemicals D) without touching them

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