Hand Tools Flashcards
What tool is used to measure with an accuracy greater than a hundredth of an inch?
Micrometers & Vernier calipers
What tool can be used to measure inside and outside objects?
Side caliper (caliper rule)
The pitch of screw thread on a micrometer spindle has a revolution of how many inches?
1/40 in
What are the names of a square‘s short and long arm?
Short- tongue
Long- Blade/ body
What type of head on a combination square can pivot to measure angles of any size?
A protractor head
What type of socket wrench gives you the most leverage with tight bolts?
Hinged handle socket wrench
What type of wrench can be used to move a very tight bolt that is frozen?
A striking face box wrench
What tip on a screwdriver can fit into the screw head so it doesn’t slip out?
Phillips screwdriver
What type of steel are the best wrenches made of? (lightweight and almost unbreakable)
Chrome-vanadium steel
What benefit does using a strap wrench have?
Doesn’t leave marks on polished metal or plastic pipes
If the back of the hook jaw touches the pipe, the gripping action is ____?
Reduced
The distance across a nut & bolt flat are usually how many times the diameter of the hole in the bolt/nut?
1& 1/2 times
When cutting pipe how many times should you turn the cutter around the pipe?
1 time
What is a tool used to thread on the inside surface of a pipe fitting?
A pipe tap
What are the 3 rules of tool maintenance?
Clean, oil, and replace tools
Through what levels of pressure (psi) does the water supply system flow?
25-60 psi
PVC pipe & fittings commonly used for drain, waste, & vent piping. They don’t corrode and rust. What is useful about using PVC pipe?
They are easy to cut and join together
What type of plunger is being used if you plug a sink overflow opening?
A force-cup plunger
What does a trap spoon guide in a branch inside a drain system?
An auger
What type of wrench is used for tight situations, inside sink walls?
Basin wrench