Technician A says that a diesel engine uses the heat of compression to ignite the diesel fuel. Technician B says that direct injection (DI) uses a pre-combustion chamber. Which technician is correct?

A) Technician A B) Technician B C) Both technicians D) Neither technician


A

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The ____________________ portion of a horse's daily ration contains grain and may include a protein supplement, minerals, and vitamins.

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

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The viscosity of engine oil is found where?

A) Lubrication guide B) Owners manual C) Factory service manual or service information D) All of the above

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Engine stands ________

A) Hold the engine from the rear B) Hold the engine block from the sides C) Either A or B D) Neither A nor B

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When a liquid boils:

A) It is absorbing heat while changing from liquid to gas. B) It is releasing heat while changing from liquid to gas. C) Its temperature is always 212°F. D) Spontaneous gasification creates new gas molecules.

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