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Questions and Answers
Which fastener is appropriate for mounting a thermostat to a standard 2x4?
Which fastener is appropriate for mounting a thermostat to a standard 2x4?
- Nails
- Wood Screws (correct)
- Plastic Anchors
- Self-tapping Screws
What is the best method to secure a plastic drain tube to the drain outlet of a furnace?
What is the best method to secure a plastic drain tube to the drain outlet of a furnace?
- Screw Fasteners
- Zip Ties
- Hose Clamp, Gear Clamp (correct)
- Electrical Tape
What device is used to fasten wires together in electrical installations?
What device is used to fasten wires together in electrical installations?
- Twist Tie
- Marrette or wire nut (correct)
- Solder
- Duct Tape
To fasten plates of steel together, which hardware should be used?
To fasten plates of steel together, which hardware should be used?
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What is the method used for joining ductwork efficiently?
What is the method used for joining ductwork efficiently?
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What is the calculated volume of a room measuring 15 feet by 40 feet by 8 feet?
What is the calculated volume of a room measuring 15 feet by 40 feet by 8 feet?
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Study Notes
Fasteners and Tools
- Wood screws are used to mount thermostats to 2x4s.
- Hose clamps or gear clamps are used to fasten plastic drain tubes to furnace drain outlets.
- Marrettes or wire nuts are used to fasten two wires together.
- Bolts and nuts are used to fasten plates of steel together.
- S cleats or drive cleats are used to join ductwork together.
- Wire strippers are used to remove the plastic sheathing on wire.
- Shot for powder-actuated tools should be stored in a dry, secure location.
- Coring bits and masonry bits are used for driving concrete.
Calculations
- The volume of a room is calculated by multiplying length, width, and height.
- A room measuring 15' x 40' x 8' has a volume of 4800 cubic feet.
- One PSI (pound per square inch) is equal to 28 inches of water column.
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