Title: Unit 2 Quiz
Course: HET 194 NATE Certification Preparation - Spring 2015 > Section: HET 194 NATE Certification Preparation - Spring 2015

Q: Housekeeping” includes ______.
- disposal of waste
- fire prevention and protection
- proper storage of materials
- All of the above
A: All of the above

Q: What type of eye protection should you wear when drilling overhead?
- Face sheild
- Goggles
- Side shields
- Spectacles
A: Goggles

Q: What agency regulates cylinders and chemicals transported in a service vehicle?
- ASHRAE
- DOT
- EPA
- OSHA
A: DOT

Q: Material safety data sheets ______.
- contain information about personal protective equipment
- do not provide recommendations regarding emergency procedures
- should be kept in a safe place off-site
- should be kept in a safe place off-site
A: contain information about personal protective equipment

Q: When should oxygen be used in a refrigeration system?
- To clear a restriction in the line.
- To pressurize for leak-testing.
- To purge lines for brazing.
- Never
A: Never

Q: What is the maximum safe storage temperature of a refrigerant cylinder filled to 80% capacity by weight?
- 120 F
- 125 F
- 130 F
- 135 F
A: 125 F

Q: Which of the following classifications of fire extinguishers should be used for electrical fires?
- A
- B
- C
- D
A: C

Q: Which of the following categories could be considered a hazardous atmosphere in a confined space?
- Asphyxiation
- Flammable
- Toxic
- All of the above
A: All of the above

Q: Which of the following best describes an asphyxiating atmosphere?
- Low oxygen level
- Presence of ammonia
- Presence of carbon monoxide
- Presence of nitrogen
A: Low oxygen level

Q: If a ladder is placed against a wall that is 20 ft tall, what is the proper distance away from the wall for the base of the ladder?
- 3 ft
- 4 ft
- 5 ft
- 6 ft
A: 5 ft