In reference to the valve-face angle, what is the purpose of a flatter interference angle?
What will be an ideal response?
A 1° flatter interference angle (44°) will exert more pressure on the contact area and can help the valve face and seat conform to each other. The interference angle helps keep heat in the combustion chamber rather than allowing it to be absorbed into the valve seat.
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A common method of exterior construction design that helps deflect wind is a long, flat roof.
Answer the following statement true (T) or false (F)
GPS surveying systems receive location information from _____.
a. infrared reflectors b. mapping software c. satellites d. NOAA computers
A scan tool can help in troubleshooting electronic control problems.
Answer the following statement true (T) or false (F)
An inverter ___________
a. Converts DC voltage to AC voltage and back to DC voltage. b. Converts AC voltage to DC voltage and back to AC voltage. c. Converts DC frequency to a new DC frequency.