Which of the following keeps the flame from entering the hoses and regulator?
a. Oxygen shutoff valve
b. Acetylene shutoff valve
c. Flame suppressor
d. Flashback arrestor
d
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The manner in which multiple computers are physically connected together is called________.
A. Network Protocol B. Network Topology C. A LAN D. Network Addressing
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The ____________________ type output module is used when dry reed relays are desirable.
Fill in the blank(s) with the appropriate word(s).
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A T-8 fluorescent tube is __________ inch(es) in diameter.
a. 5/8 b. 1 c. 1.5 d. 2
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All forms of ventilation that use fans or other powered equipment are classified as _____ ventilation.
a. hydraulic b. assisted c. positive pressure d. mechanical
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