A vertically-piped geothermal system uses __________ to __________ feet of piping per ton of refrigeration.
A. 100, 300
B. 200, 400
C. 300, 500
D. 600, 800
Answer: B
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Refer to the girder brace in Drawing Number W11784S R1.
Two technicians are discussing A/C systems. Technician A says that the TXV system uses a receiver–drier mounted in the suction line. Technician B says that the orifice tube system uses an accumulator in the suction line. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Why did the Germans employ millions of Europeans as forced slave laborers?
a. to reduce acute labor shortages b. to keep middle-class women at home c. to reduce resistance in occupied areas d. to fulfill Nazi racial policies
Anaerobic decomposition of organic wastes in landfills results in the production of ________ gas which is often recovered and used
A) ethylene B) ozone C) methane D) oxygen E) all of the above