SBTV July 2014 Quiz

Anchors are used to provide proper strength and stability when attaching items to a surface. Without the use of anchors, the items may not be securely attached and could potentially fall or become loose. Therefore, it is true that attaching items to a surface without proper strength requires the use of anchors.

According to Canadian electrical regulations, it is mandatory for all new construction to have an in-use weatherproof receptacle cover device. This device ensures that electrical outlets are protected from weather conditions, preventing potential damage and ensuring safety. Therefore, the statement "True" is the correct answer.

The statement is true because head types on screws do commonly include round, flat, hex, and various other types of heads. These different head types serve different purposes and can be chosen based on the specific requirements of the application. Additionally, screws are available in a variety of finishes, which can include different coatings or materials to provide corrosion resistance or aesthetic appeal.

The statement is true because the in-use weatherproof outdoor receptacle cover is designed with 2 cut-outs in the bottom. These cut-outs allow cords to be guided through, ensuring that the cover can be closed properly while still allowing for the use of cords and preventing water or debris from entering the receptacle.

An electric water heater's energy costs will be higher than a traditional natural gas water heater's energy costs because electricity is generally more expensive than natural gas. Electric water heaters use electricity to heat the water, which requires more energy and therefore results in higher costs compared to natural gas water heaters that use natural gas as a fuel source.

False. Hot water recovery time for a traditional natural gas water heater is faster than hot water recovery time for an electrical water heater. Purchasing a larger capacity electric water heater will help overcome this delay.

False. When using fasteners in concrete, sleeves, shields, and lag anchors are often used because it’s a heavier construction.

False. Spiral or Ardox nails have a spiral line down the shank that causes the nail to spin during installation, allowing for increased holding power.

False. Electric and natural gas water heaters are Home’s best selling water heaters.

b. The main reason the outdoor electrical box design has changed to an in-use outdoor electrical box, is to keep rain and snow from getting at the receptacle.