The tool in the figure above is being discussed. Technician A says the "B" gauge will register vacuum in Hg as well as psig. Technician B says the "A" gauge will register pressure in psig. Who is correct?

A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B


Answer: C

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Block names can be determined by the design itself or can be a description of the block's function in construction.

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

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Technician A says that top dead center (TDC) is simply the point at which a piston stops during its upward travel. Technician B says that piston TDC is the exact midpoint that occurs between the completion of an upstroke and the beginning of a downstroke. Who is correct? 

A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B

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Which of the following is not a centrifugal fan design?

A) Axial fan. B) Utility set. C) Fan array. D) Roof ventilator.

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Which of the following is a recommended approach to overcoming a language barrier?

a. Use humor to make the person feel at ease. b. Speak loudly. c. Use voicemail whenever possible. d. Speak slowly and clearly.

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