NCCER IFOS Exam Quiz

What are the three main types of electrical hazards?

• Cuts, bruises, and sprains

• Electric shock, burns, and fires

• Slips, trips, and falls

• Noise pollution, eye strain, and repetitive strain injuries

When using power tools, what should you do if the tool is not working properly?

• Hit it to try to get it to work

• Ignore it and continue working

• Turn it off and unplug it

• Keep using it and hope it fixes itself

If a piece of lumber is 8 feet long, how many inches is it?

• 24 inches

• 96 inches

• 12 inches

• 72 inches

What is the most common type of screwdriver?

• Torx screwdriver

• Phillips screwdriver

• Flathead screwdriver

• Hex screwdriver

What is the purpose of a framing square?

• To aid in making accurate right angles and measurements in carpentry and woodworking

• To be used as a musical instrument

• To measure temperature

• To communicate with aliens

What is the first step in using a hand saw?

• Start cutting without securing the workpiece

• Begin sawing without checking the condition of the saw blade

• Hold the saw with one hand and the workpiece with the other

• Ensure that the workpiece is securely clamped or held in place

What is the purpose of a claw hammer?

• Writing with precision

• Slicing vegetables

• Measuring distances

• Driving and removing nails

What is the standard voltage for most residential electrical systems?

• 60 volts

• 120 volts

• 480 volts

• 220 volts

When should you wear safety goggles when using power tools?

• When swimming

• When sleeping

• When using power tools

• When cooking

What is the formula for calculating the area of a rectangle?

• Length + Width

• Length / Width

• Length x Width

• Length - Width