A BTU is what?

A. Burn time unit
B. British thermal unit
C. Bath tub unit
D. Bold temperature unit


Answer: B

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E-85 is a mixture of _____percent gasoline and ____  percent ethanol.

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

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

1. Matter can be described as any substance that occupies space and has weight. 2. Four-stroke engines are much simpler in design than two-stroke engines. 3. The purpose of the two-stroke crankcase is the same as that of the four-stroke crankcase—to house and support the major engine components. 4. With a cylinder reed valve engine, the intake port is always closed. 5. The rotary valve engine design is seldom used in today’s power equipment engines because of its size.

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In which step of the grading process is topsoil leveled?

a. stripping sod b. rough grading c. stripping topsoil d. finish grading

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The line current is the ____________________ of the two phase currents.

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

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