Frost on the outside of the receiver/dryer, but not on the liquid line between the condenser and receiver/dryer indicates ______.

a. 
b. 
c. 
d. 


B. A restriction in the receiver/dryer

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At 250 psi, water has vf = 0.01865 ft3/lbm and vg = 1.845 ft3/lbm. A saturated mixture of water at 250 psi has a quality of 0.71.

(a) Determine the specific volume of the water. (b) If the water occupies a volume of 10 ft3, determine the mass of the water. Given: vf = 0.01865 ft3/lbm; vg = 1.845 ft3/lbm; x = 0.71 What will be an ideal response?What will be an ideal response?

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A substance that kills plants is called an

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When there is a lack of a certain mineral in an animal’s ration, this is called a

____________________.

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A discrete-time system is described by y[n] + 1.8y[n ? 1] + 1.2y[n ? 2] = x[n]. Is it BIBO stable?

What will be an ideal response?

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