Class C fire extinguisher, contain dry chemical fire dampeners, and may be filled with simple……………
a) sodium bicarbonate
b) potassium bicarbonate
c) both a & b
d) none of these
There are multipurpose extinguishers, which can be used for type A, B and C fires and contain mono-ammonium phosphate, which is a dry…………powder.
a) pink
b) yellow
c) blue
d) purple
Class D Fire:-
Class D fires involve metals such as ……….
a) magnesium
b) titanium
c) sodium
d) all of these
Class D fire extinguishers are usually only found in chemical laboratories and can only be used for ………….fire.
a) class A
b) class B
c) class C
d) class D
