NATE Core Final Exam Practice Test.
Class A - CORRECT ANSWER Ordinary Extinguisher
Class B - CORRECT ANSWER Liquid Extinguisher
Class C - CORRECT ANSWER Electrical Extinguisher
Asphyxiation causes what? - CORRECT ANSWER Nausea, Dizziness, Heart Irregularities, and
Unconciousness
Ladder must be at what dimensions in relation to a house? - CORRECT ANSWER 4 ft for every 1 ft, 3 ft
above the top of the roof.
What different amounts does Copper Tubing come in? - CORRECT ANSWER 25, 50, 100
Soft drawn copper tubing means what? - CORRECT ANSWER Copper tubing that is on a roll
Hard drawn copper tubing means what? - CORRECT ANSWER Copper tubing that is bought long (a stick)
Type K Copper Tubing - CORRECT ANSWER Green and thick
Type L Copper Tubing - CORRECT ANSWER Blue and medium
Type M Copper Tubing - CORRECT ANSWER Red and thin
How is copper tubing measured in ACR? - CORRECT ANSWER 1/2 in OD (Outside Dimensions)
, Armaflex - CORRECT ANSWER Adhesive used with copper tubing
Annealed - CORRECT ANSWER Softened by heat treatment
Flux - CORRECT ANSWER Compound that minimizes oxidation, does NOT clean copper.
Nitrogen Tank needs what? - CORRECT ANSWER Regulator (controls tank pressure)
Human Comfort is achieved by what factors? - CORRECT ANSWER Temperature, Humidity, and Air
Quality
Do refrigerants expire? - CORRECT ANSWER No
What are the two types of humidifiers? - CORRECT ANSWER Fan powered type and Bypass type
Bypass Type Humidifier - CORRECT ANSWER Open in heating/closed in cooling
Specific Heat - CORRECT ANSWER BTU/Ib/F
Specific Heat of water - CORRECT ANSWER 1
Specific Heat of ice - CORRECT ANSWER 0.5
Infiltration - CORRECT ANSWER Outside air seeping inside
Ex-filtration - CORRECT ANSWER Air leaking out
Heat - CORRECT ANSWER a form of energy
Class A - CORRECT ANSWER Ordinary Extinguisher
Class B - CORRECT ANSWER Liquid Extinguisher
Class C - CORRECT ANSWER Electrical Extinguisher
Asphyxiation causes what? - CORRECT ANSWER Nausea, Dizziness, Heart Irregularities, and
Unconciousness
Ladder must be at what dimensions in relation to a house? - CORRECT ANSWER 4 ft for every 1 ft, 3 ft
above the top of the roof.
What different amounts does Copper Tubing come in? - CORRECT ANSWER 25, 50, 100
Soft drawn copper tubing means what? - CORRECT ANSWER Copper tubing that is on a roll
Hard drawn copper tubing means what? - CORRECT ANSWER Copper tubing that is bought long (a stick)
Type K Copper Tubing - CORRECT ANSWER Green and thick
Type L Copper Tubing - CORRECT ANSWER Blue and medium
Type M Copper Tubing - CORRECT ANSWER Red and thin
How is copper tubing measured in ACR? - CORRECT ANSWER 1/2 in OD (Outside Dimensions)
, Armaflex - CORRECT ANSWER Adhesive used with copper tubing
Annealed - CORRECT ANSWER Softened by heat treatment
Flux - CORRECT ANSWER Compound that minimizes oxidation, does NOT clean copper.
Nitrogen Tank needs what? - CORRECT ANSWER Regulator (controls tank pressure)
Human Comfort is achieved by what factors? - CORRECT ANSWER Temperature, Humidity, and Air
Quality
Do refrigerants expire? - CORRECT ANSWER No
What are the two types of humidifiers? - CORRECT ANSWER Fan powered type and Bypass type
Bypass Type Humidifier - CORRECT ANSWER Open in heating/closed in cooling
Specific Heat - CORRECT ANSWER BTU/Ib/F
Specific Heat of water - CORRECT ANSWER 1
Specific Heat of ice - CORRECT ANSWER 0.5
Infiltration - CORRECT ANSWER Outside air seeping inside
Ex-filtration - CORRECT ANSWER Air leaking out
Heat - CORRECT ANSWER a form of energy
