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).
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
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
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.