Only two substances should be in the refrigeration system for proper operation. They are ____________________ and ____________________.

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


refrigerant, oil

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A _____ is a mortar joint that is applied across the full length of a brick.

A. cross joint B. bed joint C. humored joint D. parged joint

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AFRMA Research

(a) Characteristics of the ideal fancy mouse include the following:

What will be an ideal response?

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A crest vertical curve connects a +4.90% grade and a –1.85% grade. The PVI is at station 77+00.00 at an elevation of 770.00 ft. The design speed is 60 mi/h. Determine: the following below

(a) The length of the vertical curve using the AASHTO method (“K” factors) (b) The station of the BVC (c) The elevation of the BVC (d) The station of the EVC (e) The elevation of the EVC (f) The station of the high point (g) The elevation of the high point (h) The elevation of station 75+30.00 Also, provide a tabulation showing the elevations at each full station on the curve, including the distance from the BVC for each full station, the elevation on initial tangent, the offset, and the elevation on the vertical curve. This can be in the form of a computer printout from Microsoft Excel or another program. What will be an ideal response?

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The most complicated method of starting a motor is across-the-line starting.

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

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