Technician A says that nitrogen can combine in the combustion chamber with oxygen to form nitrogen oxides, a regulated air pollutant. Technician B says that nitrogen makes up 78 percent of the air that we breathe every day. Who is correct?

A. A only
B. B only
C. both A and B
D. neither A nor B


Answer: C

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___________________ is found by subtracting the lowest reading of the dial indicator needle from the highest reading.

Fill in the blank(s) with the appropriate word(s).

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If a blower motor has seized or dragging bearings it will pull too many amps when on high. This can be checked by using a ________

A) Fused 20A jumper wire B) Disconnecting the battery C) New blower resistor pack D) Test light

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What best describes "constraint-based modeling"?

a. Mechanical supports for the physical model b) Relationships that defined parts of a 2D model that are maintained by the software when you make changes to the drawing c) A system that can be used only on 2D drawings d) None of the above

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When water at 212°F boils, it is only absorbing latent heat.

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

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