Technician A says that all of the high pressure lines used in a Mack E-Tech EUP fuel system use identical pipes with common part numbers. Technician B says that the high pressure pipes used with pre-2007 EUP fuel systems connect directly to the inlet ports on hydraulic injectors. Who is correct?

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


Answer: A

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The first accurate measurements of the properties of high-pressure gases were made by E. H. Amagat in France between 1869 and 1893. Before developing the dead-weight gauge, he worked in a mineshaft and used a mercury manometer for measurements of pressure to more than 400 bar. Estimate the height of manometer required.

What will be an ideal response?

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_____ are used to seal the end of a pipe when the pipe is being used for a handrail or other similar application, and where the pipe will not be carrying a fluid.? ?  

A. Fillet welds? B. Base plates? C. Fillet plates? D. Blank-off plates?

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A stallion can detect a mare in heat from a great distance if he is _____ from her.

Fill in the blank(s) with the appropriate word(s).

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What is the span of an instrument whose 0% output is 5 PSIG and whose 100% output is 15 PSIG?

A) 5 psig B) 15 psig C) 0 psig D) 10 psig

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