Technician A says that all compressors pass some oil to the vehicle air system. Technician B says that oil passing is nothing to worry about, as it helps lubricate the air brake valves. Who is correct?

a. Technician A.

b. Technician B.

c. Both are correct.

d. None are correct.


a. Technician A. All compressors pass minute quantities of oil into the air circuit

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? Identify and state the historical significance of Clayton-Bulwer Treaty.

What will be an ideal response?

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Determine the amount of excavation needed for the basement in Figures 9.50 and 9.51. A two-foot working distance is required and the excavation will be sloped 1.5:1 (1.5 vertical feet for every horizontal foot).

What will be an ideal response?

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Brake pedal feedback to the driver is provided by the ________

A) Vacuum check-valve operation B) Vacuum diaphragm C) Charcoal filter unit D) Reaction system

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Welding away from the work clamp will reduce arc-blow

Indicate whether the statement is true or false

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