The parking brake chamber used with S-cam brakes is:

a. air actuated spring released
b. oil actuated spring released
c. spring actuated air released
d. spring actuated oil released


C

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Which of the following statements is LEAST-Likely true?

A. Brake linings are made of asbestos or an asbestos substitute. B. Brake dust is dangerous to breathe. C. High-pressure wet brake washers are the most popular way of cleaning brake assemblies. D. A HEPA vacuum can be used to safely remove asbestos dust from brakes.

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? Identify and state the historical significance of the Casablanca Conference.

What will be an ideal response?

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Which of the following measures is the minimum steam pressure for a high-pressure boiler?

A) 15 psi B) 160 psi C) 50 psi D) 150 psi

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In a purely inductive circuit, the current lags behind the applied voltage by ____ degrees.

A. 30 B. 60 C. 90 D. 180

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