TB 4 Flashcards
1
Q
Explosion hazard due to presence of ______ vapor
A
Hydrogen
2
Q
Control of emissions from evaporation of fuel is called a? It’s required in models since?
A
Vapor canister
1970
3
Q
______ gas is used in air conditioners.
It may emit what two toxic gases
A
Freon
Phosgene and Flourise
4
Q
Hydraulic Bumpers are filled with what gas and what psi? May travel how many inches
A
Nitrogen/helium pressurized to 150 psi
Bumper travel may be 3 inches
5
Q
Mechanical bumpers may travel
A
4 inches
6
Q
Gasoline characteristics
A
Flash point - 45 degrees
Specific gravity: 0.8
7
Q
Diesel characteristics
A
Flash point: 125 degrees
Specific gravity: less than 1
