Amphibians do not have teeth
Indicate whether the statement is true or false
True
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What type of wire is recommended for use when wiring PV systems?
What will be an ideal response?
The term "real" as opposed to "nominal" means that economists are making adjustments
What will be an ideal response?
How is a temperature-pressure relief valve on a hot-water boiler tested?
A) Pull the lever and look for water at outlet of discharge pipe. B) Jump the high limit and operate the burners until the pressure relief valve opens. C) Pressurize the boiler with nitrogen until the pressure relief valve opens. D) Pressure relief valves are optional, so testing is not required.
Grease and oil must be kept away from oxygen tanks used for brazing because they _____
a. will contaminate the brazed joints and cause them to fail b. could trigger an explosion in the presence of oxygen c. are incompatible with lubricants used on the oxygen regulator d. will clog the oxyacetylene torch