In a domestic freezer using R-12, if the suction pressure reading is 1.3 psig, the evaporator boiling point is ____°F.
A. +18
B. +10
C. -12
D. -18
Answer: D
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Chilled water pipes should be _____.
a. kept above ambient temperature b. painted to help prevent corrosion c. insulated to prevent harm to personnel d. insulated to help prevent condensation
The snowshoe hare is white throughout the whole year
a. True b. False Indicate whether the statement is true or false
Technician A says the hinges on some vehicles are welded to both the door and the hinge pillar. Technician B says even though they are welded to the body, the door can still be adjusted. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B
Aluminum-faced forms are unsuitable for architectural-concrete applications because they _____
a. react chemically with concrete b. are difficult to erect c. are not sufficiently strong d. are available only in small sizes