NFPA
CFPS
Q1:
The types of overspray collectors associated with spray booths can be categorized into venturi scrubbers, waterfall scrubbers, dry filter, and
○
A
cartridge filter.○
B
cyclone separator.○
C
baffle maze.○
D
vertical oscillator.
NFPA
CFPS
Q2:
Hazardous materials (dangerous goods) are divided into now many numbered classes divided by Hazard and characteristics of material?
○
A
5○
B
7○
C
9○
D
11
NFPA
CFPS
Q3:
Explosions or fires from flammable gas or oil fuel vapor-air mixtures may be prevented by ventilation and controls that keep the flammable vapor content below what percent of the lower flammable limit of the vapor-air mixture?
○
A
15%○
B
25%○
C
35%○
D
45%
NFPA
CFPS
Q4:
What is the minimum pipe diameter size for direct discharge of steam inside a water tank?
○
A
1/2 in. (13 mm)○
B
1 in. (25 mm)○
C
1 1/2 in. (38 mm)○
D
2 in. (50 mm)
NFPA
CFPS
Q5:
Which extinguishing agent can break down during flame extinguishment to form a weak acid that can cause respiratory and eye irritations?
○
A
Inert clean agent○
B
Carbon dioxide○
C
Water○
D
Halocarbon clean agents