An inline 4-cylinder engine has a theoretric airflow of 290 CFM at its maximum engine speed of 7000 RPM. Assuming this engine operates with 90% volumetric efficiency, calculate the maximum airflow through to the engine. Round to the nearest whole number

What will be an ideal response?


261 CFM

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If cylinder valves are set loose, which of the following performance-altering conditions will result?

A. advanced valve timing B. hotter valve operating temperatures C. noisier valve operation D. retarded valve timing

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The most popular surface-mounted lift style is a two-post, drive-through, frame-engaging type. It has two lifting carriages, each one supporting two swing arms. Which of the following is LEAST-Likely to be used to keep the two carriages moving together?

A. Hydraulic circuits B. Bearings C. Steel chain D. Cables

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The temperature rise of a furnace is

A) The temperature difference between the air entering the furnace and leaving the furnace B) The amount of temperature a furnace can add to a house C) The difference between the flue gas temperature and the combustion air temperature D) The BTU rating of the furnace

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The door latch engages the door striker on the vehicle body to hold the door closed.

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

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