as 01 piping tubing pipintv1.1

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Piping/Tubing Assignment 01 Professor Alan Gaunt

Piping/Tubing Systems Assignment #01 Using the B149.1 code book and any other available resources answer the following

questions. Submissions will be graded on both content and presentation.

1. General knowledge question:

When compared with Schedule 80 pipe, Schedule 40 pipe has: (circle one) a. Same O.D., Same I.D. b. Smaller O.D., Larger I.D. c. Larger O.D., Smaller I.D. d. Larger I.D., Same O.D.


Working Pressure is: (circle one) a. Used to detect gas leaks in the system b. Adjusted at the appliance regulator c. Used to measure system pressure drop d. Used to adjust firing rate


Static Pressure is: (circle one) a. Used to detect gas leaks in the system b. Adjusted at the appliance regulator c. Used to measure system pressure drop d. Used to adjust firing rate

4. Piping for propane in a vaporous state shall be made of: (circle one)

a. Plastic b. Copper c. Steel d. any of the above Code Reference:_______

5. If a coupling is used with a steel pipe it shall be made from: (circle one)

a. Steel b. Iron c. Malleable iron d. a or c Code Reference:_______

Name:_____________________ Date:

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6. In a detached house how shall gas piping be identified? (circle one)

a. Does not have to be identified. b. Painted yellow or have yellow banding at appropriate intervals c. Have Gas or Propane labeling at appropriate intervals d. Answers B or C Code Reference:_______

7. In a Church how shall gas piping be identified? (circle one)

a. Painted yellow b. Have yellow banding at appropriate intervals c. Have Gas or Propane labeling at appropriate intervals d. Any of the above Code Reference:______

8. In a detached house how shall gas tubing be identified? (circle one)

a. Does not have to be identified. b. Painted yellow or have yellow banding at appropriate intervals c. Have Gas or Propane labeling at appropriate intervals d. Answers B or C Code Reference:_______

9. Flared nuts shall be: (circle one)

a. Are not permitted on gas systems b. Milled c. Malleable iron or steel d. Forged Code Reference:_______

10. Brazing with a material melting point over 1000F is permitted to join steel

piping. (circle one) a. True b. False

11. Copper tubing installed above ground shall be of: (circle one)

a. Type L, G, or M b. Type M, ACR, or G c. Type G, K, or L d. Type G or M Code Reference:_______

12. Brazing with a material melting point over 1000F is permitted for seamless

copper tubing. (circle one) a. True b. False Code Reference:_______

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13. A natural gas BBQ on wheels may be connected to the gas supply using: (circle one)

a. Corrugated Stainless Steel Tubing (CSST) b. A certified hose of not more than 10ft (3m) in length c. A certified hose of not more than 30ft (9.5m) in length d. A pressurized storage tank Code Reference:_______

14. When applied to gas piping threads as a sealant, approved teflon tape shall be applied: (circle one)

a. In an anti-clockwise direction with 50% overlap b. In a clockwise direction with 25% overlap c. In an anti-clockwise direction with 25% overlap d. In a clockwise direction with 50% overlap Code Reference:_______

15. A union fitting may be installed in a piping system: (circle one) a. Above a suspended ceiling b. Behind a dry walled partition c. Behind panels removable with screws d. None of the above Code Reference:_______

16. There is natural gas piping running under the driveway for Amandeeps house. The minimum depth of cover is: (circle one)

a. 12 inches b. 15 inches c. 24 inches d. Not permitted Code Reference:_______

17. There is natural gas piping running under the driveway for the Department Store that Baljinder owns. The minimum depth of cover is: (circle one)


18. There is natural gas piping running under a single detached residential house. The minimum depth of cover is: (circle one)


as 01 piping tubing pipintv1.1

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