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Type 3

v3. A+. JEOPARDY. Type 3. K. Martin. Router Modes. Router Modes. Type 3 a. Type 3 b. WAN Encapsulation. WAN Encapsulation. Type 3 c . WAN Services. WAN Services. Type 3 d. Router Basics. Router Basics. Type 3 e. Router Commands . Router Commands . Type 3 f.

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Type 3

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  1. v3 A+ JEOPARDY Type 3 K. Martin

  2. Router Modes Router Modes Type 3 a Type 3 b WAN Encapsulation WAN Encapsulation Type 3 c WAN Services WAN Services Type 3 d Router Basics Router Basics Type 3 e Router Commands Router Commands Type 3 f ► ► ► F i n a l J e o p a r d y ◄ ◄ ◄ 100 100 100 100 100 100 100 100 200 200 200 200 200 200 200 200 300 300 300 300 300 300 300 300 400 400 400 400 400 400 400 400 500 500 500 500 500 500 500 500

  3. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 a 100 When leak testing a low pressure centrifugal with nitrogen, what is the maximum test pressure? A: 10 psig. CCNA1 v3 Module 9

  4. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 a 200 Charged low pressure refrigeration machines may be most efficiently leak checked by. . . A: Raising system pressure by heating with circulated hot water or heating blankets. CCNA1 v3 Module 9

  5. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 a300 A hydrostatic tube test kit will. . . A: Determine if a tube leaks. CCNA1 v3 Module 9

  6. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 a400 Where would you place a leak detector probe to check gas leaks into the water box with water removed? A: Through a drain value. CCNA1 v3 Module 9

  7. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 a500 EPA regulations require that all appliances containing MORE than 50 pounds Of refrigerant (except for commercial and industrial process refrigeration) be repaired when the leak rate ____ percent of the charge per year. A: 15%. CCNA1 v3 Module 9

  8. 100 100 100 100 100 100 100 100 100 100 100 100 200 200 200 200 200 200 200 200 200 200 200 200 Question 300 300 300 300 300 300 300 300 300 300 300 300 400 400 400 400 400 400 400 400 400 400 400 400 500 500 500 500 500 500 500 500 500 500 500 500 Type 3 b100 EPA regulations require that leaking commercial and industrial process refrigeration be repaired when the leak rate exceeds ____ percent of the charge per year. A: 35%. CCNA1 v3 Module 9

  9. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 b200 R-11 or R-123 system refrigerant removal stars with. . . A: Liquid removal. CCNA1 v3 Module 9

  10. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 b300 Why do chillers using CFC-11 and HCFC-123 require purge units? A: System operates below atmospheric pressure. CCNA1 v3 Module 9

  11. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 b400 When removing oil from a low pressure system, the temp. should be 130 degrees Fahrenheit because. . . A: Less refrigerant will be contained in the oil at the higher temp. CCNA1 v3 Module 9

  12. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 b500 During vapor removal from a low pressure refrigeration system the system water pumps, recovery compressor, and the recovery condenser should all be: A: What isON? CCNA1 v3 Module 9

  13. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 c 100 Water must be circulated through a chiller during refrigerant evacuation in order to. . . A: Prevent freezing of the water. CCNA1 v3 Module 9

  14. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 c 200 Charging refrigerant liquid into a refrigeration system under a 29 in. Hg. vacuum can cause the. . . A: System water to freeze. CCNA1 v3 Module 9

  15. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 c 300 How do you determine when enough vapor has entered the refrigeration system before you charge refrigerant liquid? A: Refrigerant saturation temp. increases to 36 degrees Fahrenheit. CCNA1 v3 Module 9

  16. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 c 400 After reaching the required recovery vacuum on an appliance, you should. . . A: Wait a few minutes to see if the system pressure rises, indicating that there is still refrigerant in liquid form or in the oil. CCNA1 v3 Module 9

  17. 4 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 c 500 Which of the following repairs would always be considered “major” under EPA’s regulations? A: Replacement of an evaporator coil. CCNA1 v3 Module 9

  18. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 d 100 Appliances need not be evacuated all the way to the prescribed level when. . . A:Leaks in the appliance make evacuation to the prescribed level unattainable. CCNA1 v3 Module 9

  19. . 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 d 200 Under EPA’s regulations, which of the following methods can be used to pressurized on R-11 or R-123 system for a non-major repair? A: Warming the refrigerant. CCNA1 v3 Module 9

  20. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 d 300 When using recovery or recycling equipment manufactured BEFORE Nov. 15, 1993, technicians must evacuate low-pressure appliances to the following level before making a major repair. A: 25 inches of Hg. Vacuum. CCNA1 v3 Module 9

  21. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 d 400 When using recovery or recycling equipment manufactured AFTER Nov. 15, 1993, technicians must evacuate low-pressure appliances to the following level before disposing of the appliance. A: 25 mm of Hg Absolute. CCNA1 v3 Module 9

  22. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 d 500 Approximately how much refrigerant vapor is left in an average 35 or 350 ton R-11 chiller at 0psig pressure once all the R-11 liquid has been removed? A: 100 lbs CCNA1 v3 Module 9

  23. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 e 100 A centrifugal chiller rupture disk is connected to the chillers. . . A: Evaporator. CCNA1 v3 Module 9

  24. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 e 200 ASHRAE standard 15-1994 requires the use of room sensors and alarms to detect. . . A: Refrigerant leaks. CCNA1 v3 Module 9

  25. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 a 300 R-11 at a pressure of 18.1 inches Hg vacuum has saturation temperature of: A: 32 degrees Fahrenheit. CCNA1 v3 Module 9

  26. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 e 400 Which of the following are safety precautions for low pressure system? (Choices: Don’t siphon liquid refrigerant by mouth, Avoid spilling liquid refrigerant on the skin, Use gloves and safety goggles when working with liquid refrigerant) A: All of the above. CCNA1 v3 Module 9

  27. 100 100 100 100 100 100 200 200 200 200 200 200 Question 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Type 3 e 500 Under what code group of ASHRAE standard 34 does R-123 fall? A: B1. CCNA1 v3 Module 9

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