NCCER module 4 questions and answers graded A+ 2023/2024

NCCER module 4A tool feature added for convenience that turned out to be very unsafe and should never be used is the... Trigger Lock. Before changing the blade or bit or doing any kind of repair... Unplug the Tool! Before plugging in tools with on/off switches... Turn it off! Most commonly used to make holes but with the right bit can be used as a sander, polisher, screwdriver, grinder, or countersink tool. Power Drill If you can't loosen the drill chuck by hand to remove the drill bit then you probably need a... Chuck Key These tools do not activate the hammering function until pressure is applied to the bit. Hammer Drill When there is no electricity or high production is necessary then you need these kind of drills. Pneumatic Drills A tool for cutting that has an adjustable blade depth and two blade guards, one of which moves as you cut. Circular Saw The width of the saw blade should be on the wasted side of the cut. That's called the... Kerf Good for cutting intricate details or rounded cuts. Commonly called a Jigsaw Saber Saw A great saw for demolition. Often called a Sawzall. Reciprocating Saw This saw has a one-piece blade that runs in one direction around two guides. It is often used for cutting metal pipe. Band Saw A combination of a miter box and a circular saw Miter Saw