1. Fire class depends on:
a. the fire triangle
b. none of these
c. fuel content
d. flashpoint
e. boiling point
2. The required frequency for hydrostatic testing of fire extinguishers is:
a. quarterly
b. annually
c. according to a prescribed test schedule
d. monthly
3. How many current standards relate to ergonomics?
a. 3
b. 0
c. 1
d. 2