A(n) ____ occurs when a flame goes out with a loud snap or pop.

A. overheating
B. flashback
C. burn
D. backfire


Answer: D

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Bladder tanks used in private water systems are pressurized through the use of a _____.

a. Schrader valve b. Schneider valve c. Switzer valve d. Statler valve

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When making GTAW groove welds on aluminum pipe in the 5G position, the root pass and remaining

passes are applied _____. a. horizontally b. diagonally c. downhill d. uphill

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The definition of negligence is:

A. Failure to take reasonable care or failure to perform duties in ways that prevent harm to humans or damage to property. B. Duty to compensate as a result of being held responsible for an act or omission. C. Action involving a failure to exercise reasonable care that may lead to civil litigation. D. None of the above

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Express eight million nine hundred twenty-six thousand fifty in number form.

What will be an ideal response?

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