Floor And Power Equipment ( 110101h) Flashcards
When selecting an extension cord for a portable power tool which statement is true?
The longer the cord the greater the resistance to the flow of electricity
A portable grinder that has the grinding disk running at 90 to the body is known as?
An angle grinder
Which portable power tool uses a punching action to cut through metal?
Nibblers
What are the two types of shanks found on twist drills?
The straight shank
Taper shank
How are feed rates for twist drills measured?
Inches per revolution
What brake has adjustable removable fingers instead of solid nose bar?
The box and pan brake
What is the upper blade of a squaring shear attached to?
The crosshead
What piece of equipment does the same job as an easy edger?
Power flanging attachment
What is another term used for the process of spot welding?
Resistance welding
Smaller portable drills have what for chuck sizes?
1/4 and 3/8
Heavy duty drills usually have what for a chuck size?
1/2
What are the three main parts of a drill bit (twist drills)?
The shank
The body
The point
What are the two types of shank?
Taper shank
Straight shank
What part of the drill bit does all the cutting take place?
The point of the bit
What is a general purpose drill point angle?
118 degree
Sharper than 118 for soft materials
Flatter than 118 for tough materials
What do hammer drill bits have that make them different than regular drill bits?
A carbide tip
What is the most common floor machine used in a sheet metal shop to bend or fold metal?
Standard hand brake
What should never be bent in a hand brake?
Band iron
Rod
Wire
What does a magnabend brake use to hold material in place during operation?
A magnetic force
What are the different gauges used on squaring shears?
Back gauge
Side gauge
Front gauge
Bevel gauge
Name 3 ways a portable drill can be powered?
Electrically powered
Battery operated
Pneumatically operated
What is the minimum width of a bend that can be obtained at the full capacity and entire length of a standard hand brake if the angle bar and insert bar are in place?
1”
What are drill bits (twist drills) made out of?
Carbon tool steel
High speed steel (HSS)
Cobalt
Titanium coated high speed steel
What is the purpose of the flutes or grooves cut into a twist drill ( drill bit )?
These grooves carry chips up and out of the hole
What are nibblers used for?
This is a tool that literally punches out small squares of metal.
The benefit of this tool is it leaves the metal undistorted on both sides of the cutting line
What machine finishes groove seams much quicker than by hand?
Noyes groover
What is cutting speed?
The rate at which the cutting edge of a tool moves through the metal in feet per minute
What’s the main use of cutting fluids?
To reduce heat
The distance of a tool rest should be how far below the center of the grinding wheel on a grinder?
1/4 to 1/2
How far from a grinding wheel should a tool rest be?
No more than 3mm
What happens to the edges of plasma cut material?
It hardens
What is a triplex cleat former for?
Forming slip and drive cleats
