VMO Chapter 3 Test Questions
with 100% Correct Answers
Air bags with a very high lift with a maximum working air pressure of approximately 7
psi; used to lift an object or spread one or more objects away from each other to assist
in freeing a victim - Answer- Low-pressure air-lift bags
Bags that have a rugged design and utilize a working air pressure of approximately 15
psi used to lift an object or spread one or more objects. Lease common type of air bag -
Answer- Medium-pressure air-lift bags
Air bags that offer a distinct height advantage over traditional flat bags and utilize a
unique lifting system. Round-shaped bag that can be locked together with a threaded
connector, creating one bag with multiple cells - Answer- Multi-cell high-pressure air-lift
bags
Metals or alloys free of iron, such as aluminum, copper, nickel, lead, zinc, and tin -
Answer- Nonferrous metals
Attachment designed to join chains together or join a chain to come along utilizing a
hook - Answer- O-ring
Pneumatic tools used to cut through various types and sizes of metal - Answer-
Pneumatic chisels
Pneumatic tool utilizing a small carbide disk, normally 3 inches in diameter, which
rotates at high revolutions per minute to cut most metals - Answer- Pneumatic cut-off
tool
Tools that use air under pressure to operate - Answer- Pneumatic tools
A power driven saw in which the cutting action occurs through a back and forth motion
of the blade - Answer- Reciprocating saw
Fuel-powered saws capable of cutting wood, concrete, and metal; tow types of blades.
Application of these tools in vehicle extrication is limited - Answer- Rotary saws
Objects that are smaller than wedges used to snug loose cribbing under a load or to fill
void spaces - Answer- Shims
with 100% Correct Answers
Air bags with a very high lift with a maximum working air pressure of approximately 7
psi; used to lift an object or spread one or more objects away from each other to assist
in freeing a victim - Answer- Low-pressure air-lift bags
Bags that have a rugged design and utilize a working air pressure of approximately 15
psi used to lift an object or spread one or more objects. Lease common type of air bag -
Answer- Medium-pressure air-lift bags
Air bags that offer a distinct height advantage over traditional flat bags and utilize a
unique lifting system. Round-shaped bag that can be locked together with a threaded
connector, creating one bag with multiple cells - Answer- Multi-cell high-pressure air-lift
bags
Metals or alloys free of iron, such as aluminum, copper, nickel, lead, zinc, and tin -
Answer- Nonferrous metals
Attachment designed to join chains together or join a chain to come along utilizing a
hook - Answer- O-ring
Pneumatic tools used to cut through various types and sizes of metal - Answer-
Pneumatic chisels
Pneumatic tool utilizing a small carbide disk, normally 3 inches in diameter, which
rotates at high revolutions per minute to cut most metals - Answer- Pneumatic cut-off
tool
Tools that use air under pressure to operate - Answer- Pneumatic tools
A power driven saw in which the cutting action occurs through a back and forth motion
of the blade - Answer- Reciprocating saw
Fuel-powered saws capable of cutting wood, concrete, and metal; tow types of blades.
Application of these tools in vehicle extrication is limited - Answer- Rotary saws
Objects that are smaller than wedges used to snug loose cribbing under a load or to fill
void spaces - Answer- Shims
