Usually a raised hearth is not built _____ to avoid the fireplace appearing out of proportion to the room.
A. higher than 12"
B. higher than 6"
C. lower than 15"
D. lower than 12"
Answer: A
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ASME standards recommend which line thicknesses:
a. 0.005?? (0.13 mm) and 0.007?? (0.18 mm) extra fine lines b. 0.005?? (0.13 mm) extra fine and 0.010?? (0.25 mm) thin lines c. 0.02?? (0.6 mm) thick and 0.01?? (0.3 mm) thin lines d. 0.014?? (0.35 mm) medium and 0.020?? (0.50 mm) wide lines
The greatest avenue for organisms to enter the body is which of the following systems?
a. Digestive c. Digestive and respiratory b. Respiratory d. Neither digestive nor respiratory
How might a ring be a safety hazard?
A) It could become a path for an electrical circuit B) It could get caught on a moving part C) Both A and B D) Neither A nor B
An undersized valve may cause
A) trickling. B) cavitation. C) cycling. D) hunting.