Two technicians are discussing an engine with an interference design. Technician A says if a valve remains open when its cylinder reaches TDC, the piston may strike the valve. Technician B says if a valve remains open when its cylinder reaches TDC, valvetrain damage can result. Which technician is correct?

A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B


C

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A broadleaf deciduous tree is classified as ____________________

Fill in the blank(s) with correct word

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Micrometers are calibrated using a _______

A) Metric ruler B) Gauge rod C) Both A and B D) Neither A nor B

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If a restriction clears up when the system is turned off and allowed to warm, the restriction was probably due to:

A) Acid. B) Moisture. C) Carbon. D) Noncondensables.

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Which of the following factors can affect the timing of service brakes?

A. relay valve crack pressures B. hose and tubing diameters and length C. replacing a 45-degree fitting with a 90-degree fitting D. all of the above

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