Unit 4 (Safety Protocols) Exam Study Guide.

Unit 4 (Safety Protocols) Exam Study Guide. To help remain safe on the job, it is always recommended that field personnel - CORRECT ANSWER be aware of all potential hazards around them List 6 examples of PPE - CORRECT ANSWER 1. hardhat 2. ear plugs 3. safety glasses 4. respirator 5. face shield 6. gloves 7. boots 8. sun block 9. long sleeved shirts 10. safety vest 11. dust mask 12. back brace What will happen if a full nitrogen cylinder's top is broken off? - CORRECT ANSWER the cylinder will become a projectile Which of the following tasks could potentially subject a technician to frostbite? (a) Connecting or removing a service hose from a suction-line service port (b) Connecting or removing a services hose from a liquid-line service port (c) Connecting or removing a services hose from a discharge line service port (d) Connecting or removing a services hose from the inlet port on a vacuum pump - CORRECT ANSWER (b) Connecting or removing a services hose from a liquid-line service port Which of the following statements is true regarding the use of nitrogen? (a) The nitrogen tank must be outfitted with a pressure regulator. (b) Nitrogen must only be added to systems that are in a deep vacuum (c) Nitrogen must only be added to fully charged HVACR systems. (d) Dry nitrogen is a volatile gas that follows a pressure/ temperature relationship. - CORRECT ANSWER (a) The nitrogen tank must be outfitted with a pressure regulator.