How much metal should be cut from the valve face while reconditioning?

What will be an ideal response?


just enough to remove imperfections

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A transformer in which the primary and secondary are physically separated and not connected by a conductor is called a(n) _____ transformer.

A. isolation B. step-up C. step-down D. turns

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The most significant difference between fiberscopes and videoscopes with CCD probes is that videoscopes have a(n) _____.

a. lower resolution b. remote control c. longer working length d. objective lens

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The D/d ratio represents the relationship between rope diameter and the _____.

a. groove width of a sheave b. groove depth of a sheave c. pitch diameter of a sheave d. outside diameter of a sheave

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A 212-pound worker slips on a sloping roof, free-falling 8' before contacting the safety guardrail. How many pounds of force in foot-pounds did the worker exert on the safety guardrail?

What will be an ideal response?

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