High soot levels in the flue gas of oil-burning furnaces is an indication of which condition?

A. too much air
B. too little air
C. too high of a draft
D. high stack temperature


Answer: B

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During the 1950s, the Central Intelligence Agency engineered pro-American political coups in both

A. Iran and Guatemala. B. Iraq and Nicaragua. C. Lebanon and El Salvador. D. Libya and Costa Rica. E. Egypt and Cuba.

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Igneous, sedimentary, and metamorphic are three ________

A) master horizon names B) processes of weathering C) basic classes of soils D) forms of minerals E) types of rocks

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Technician A says that powdered metal connecting rods cannot be reconditioned and must be replaced if damaged or worn. Technician B says that the piston and the connecting rod must be correctly assembled according to identifying notches or marks. Who is right?

A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B

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Technician A says that a spinout condition can result in an immediate failure in either the power divider or the differential carrier. Technician B says that a spinout condition can cause geartrain damage that does not result in a breakdown until sometime later. Who is correct?

A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B

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