and Correct Answers, Latest 2025-2026/ NCCER
Power Tools Module 4 Review Questions and Answers
This is used to grind away hard, heavy metal like welds.
Angle Grinder
Bits used to remove rough edges form the inside and outside of pipes or other
objects. These operate at very high RPM and can catch on burrs.
Burr Bits
1/8" between tool rest and wheel
¼" between wheel guard and wheel
What tool are these numbers important for?
Bench Grinder
pg. 1
,Slide the wheel onto a rod that fits the grinding wheel. Tap the wheel gently with a
piece of wood or tool. It should ring clearly if it is in good condition. This test is
called a...
Ring Test
These tools run on air and you should always read the owners manual before
operating them so you know about all the special features and switches.
Pneumatic Nailers
pg. 2
, These tools require special training and use actual gunpowder to fire nails through
steel or concrete.
Powder Actuated Tools
Make sure you know what kind of pipes and electrical wires are buried in the
ground before using these large demolition tools.
Pavement Breakers: AKA Jackhammer
Often referred to as a Porta-Power, this lever operated hydraulic tool is used to lift
things up off the ground.
Hydraulic Jack
pg. 3