Three fuel gases other than acetylene used for cutting include _____
a. argon, oxygen, and helium
b. methane, butane, and oxygen
c. natural gas, propylene, and propane
d. benzene, halon, and fluorine
c
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What are the two advantages of using electro-magnets to create a magnetic field?
What will be an ideal response?
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Which of the following attributes is not on the axis of a positioning map?
A. Unique B. Cluttered C. Streamlined D. Professional
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When given values are stated with metric prefixes instead of basic units, it is recommended to convert the metric prefixes to ____.
a. basic units b. complex units c. the power of 1 d. powers of 10
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A control or contraction joint prevents cracking, and controls where cracks develop in the slab.
Answer the following statement true (T) or false (F)
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