A HVAC technician must know how to determine _________ and ____________ in order to determine cooling and heating loads.
Fill in the blank(s) with the appropriate word(s).
areas and volumes
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What defines plunger actual stroke in a sleeve metering rotary distributor pump?
A. control sleeve B. plunger dimension C. engine rpm D. cam plate
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What material, used in friction linings, may cause lung damage with repeated exposure?
A) Fiberglass B) Carbon fiber C) Asbestos D) Ceramic fiber
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The lowest level of copper in brake friction material is shown on the leaf mark as ________
A) A single leaf B) Two leafs C) Four leafs D) Three leafs
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A series circuit dissipates a total of 56.25 mW of power with a current of 3.75 mA. If R2 dissipates 21.09 mW of power, what is the value of R1?
A) 2000 ? B) 1000 ? C) 2500 ? D) 1500 ?
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