Custodian 2026 test
1 cup = 8 ounces
1 gallon = 128 ounces
= 16 cups
= 4 quarts
1 pint = 2 cups
= 16 ounces
1 pound Equals 16 ounces
1 quart = 2 pints
= 32 ounces
atomization caused by live steam and air in both steam and atomizing burners
benign not harmful
biobased contains natural products
Page 1 of 11
, Custodian 2026 test
biodegradable breaks down naturally in nature
bottom blowdown emptying water from a boiler
Calcium carbonate Can be used as a scouring cream (makes things bright). Will not scratch glass,
ceramics, enamel, bronze, iron and steel. This chemical is used to make linoleum
floors.
C.D.C. Center for Disease Control
(The CDC studies viruses and bacteria, the EPA studies chemicals like
disinfectants.)
CFC's cooling chemicals in an air conditioner or refrigerator
Class A fire extinguisher Used for ordinary material like paper products wood and plastics and cloth.
Class B fire extinguisher Used for liquids such as kerosene and gasoline and paint products.
Class C fire extinguisher Used for eletricial fires
Class D fire extinguisher Used for metals such as magnesium and potassium and titanium
Page 2 of 11
1 cup = 8 ounces
1 gallon = 128 ounces
= 16 cups
= 4 quarts
1 pint = 2 cups
= 16 ounces
1 pound Equals 16 ounces
1 quart = 2 pints
= 32 ounces
atomization caused by live steam and air in both steam and atomizing burners
benign not harmful
biobased contains natural products
Page 1 of 11
, Custodian 2026 test
biodegradable breaks down naturally in nature
bottom blowdown emptying water from a boiler
Calcium carbonate Can be used as a scouring cream (makes things bright). Will not scratch glass,
ceramics, enamel, bronze, iron and steel. This chemical is used to make linoleum
floors.
C.D.C. Center for Disease Control
(The CDC studies viruses and bacteria, the EPA studies chemicals like
disinfectants.)
CFC's cooling chemicals in an air conditioner or refrigerator
Class A fire extinguisher Used for ordinary material like paper products wood and plastics and cloth.
Class B fire extinguisher Used for liquids such as kerosene and gasoline and paint products.
Class C fire extinguisher Used for eletricial fires
Class D fire extinguisher Used for metals such as magnesium and potassium and titanium
Page 2 of 11
