____ tile is a thin surfacing unit composed of various clays fired to hardness.
A. Porcelain
B. Ceramic
C. Plaster
D. both a and b
Answer: D
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Some diagrams will use dashed lines to ____.
a. indicate factory-installed wiring b. represent edges hidden in views of a complex object c. indicate that an object within the drawing space is selected d. illustrate field-connected devices
In a crisis that entails a public health risk, you should give the public the information they need:
a. in a drawn-out manner b. only upon request c. in hard-to-understand language d. quickly
After a sealed container of low-hydrogen SMAW electrodes is opened, the electrodes must be stored in an
appropriate oven at a minimum temperature setting of _____. a. 100°F b. 150°F c. 200°F d. 250°F
The shell of a hermetic type reciprocating compressor is in the low pressure side of the system.
Answer the following statement true (T) or false (F)