Flue-gas analysis instruments analyze products of combustion from fossil-fuel-burning equipment, such as oil and gas furnaces and ____.

A. boilers
B. CO2 testers
C. cooling towers
D. refrigerators


Answer: A

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The amount of voltage drop across each component in a series circuit is proportional to the resistance of the components and the amount of ____________________ flow.

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

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All manufacturers currently use a ________ type fluid.

A) Friction modified B) Semi-low viscosity C) Highly friction modified D) Synthetic

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

1. Often it is necessary to reduce the inrush current during the starting period of large motors. 2. Most starters use three transformers connected in an open delta. 3. Interlocking is used to prevent one contactor being energized while some other contactor is energized. 4. In a wye connection, the line current is greater than the phase current by a factor of the square root of 3. 5. Motors intended for use with part winding starting contains two separate stator windings.

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When the plunger metering recesses have minimum exposure to the spill port(s) through plunger stroke, how is the engine being fueled?

A. full fuel B. no fuel C. half fuel D. idle fuel

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