Professional Training and ConsultationASME B31.3 Process Piping 3rd upto 5th December 2005, Dammam, Saudi Arabia ASME B 31.3 PROCESS PIPING Final Exam (Closed Book) 1. To avoid excessive stress concentration at flanged joints which type of flange will you recommend? a. Slip on flange b. Weld-neck flange c. Both a and b are okay d. Blind flange 2. Choose correct statement. a. ERW pipes are expensive compared to seamless. b. Seamless pipes are cheaper than ERW but they have lower strength than ERW. c. Seamless pipes are expensive but can not be used for higher temperatures. d. All of above are incorrect statements. 3. VT, MT, PT, UT and RT shall be performed as specified in the: a. ASME BPV Code, Section V b. ASME BPV Code, Section IX c. ASME BPV Code, Section VIII d. ASME BPV Code, Section I 4. What is the only category fluid service that may be subject to an initial service leak test? a. Category M b. Category D c. Category N d. Category H 8th Floor, Al-Subeaei Towers, King Abdulaziz cor. Prince Faisal Bin Fahd Streets, Al-Khobar, Saudi Arabia 1 ● TEL (966) 3 887 6633 ● FAX (966) 3 887 6565 ● [email protected] ● www.gotoitc.com 20 psig c. What will be Hydrotest pressure for a piping system with design pr = 100 psig. Applicable to strength welds and not for tack welds b. Strength welds only 8.000 psi while safe stress at test condition (ambient) is 19. Strength welds and seal welds only c. 165 psig d. which of the following statement(s) are correct? a. 25 psig d. 130 psig c. b. Saudi Arabia 5. For pressure testing of piping systems.com ● www. Al-Khobar. Hazard of released energy is higher in case of hydrostatic test since Hydrostatic pressure is 50% higher than design pr while pneumatic pressure is only 10% higher.com . A piping is to be pneumatically tested at test pr = 80 psig.Professional Training and Consultation ASME B31. and safe stress at design condition is 18. 150 psig b. a and c above 8th Floor. King Abdulaziz cor. Saudi Arabia 2 ● TEL (966) 3 887 6633 ● FAX (966) 3 887 6565 ● info@gotoitc. d. None of above 6. 40 psig b. c. Strength welds. 80 psig 7. Pre-heating. For hydrotesting water alone can be used and no other liquid. tack welds and seal welds d. Pneumatic test shall be conducted only if hydrostatic test is impracticable.gotoitc. Prince Faisal Bin Fahd Streets. What will the pressure at which a preliminary leak check shall be performed? a. Dammam.800 psi? a. Al-Subeaei Towers.3 Process Piping 3rd upto 5th December 2005. whenever specified is: a. Lower of to1 and to2 c. When do the recommendations become mandatory? a.gotoitc.com ● www.End -------------- 8th Floor. Al-Subeaei Towers. Dammam.3 recommends and mandates min. King Abdulaziz cor. Higher of to1 and to2 b. required pre-heat temp. for welding of pipes. Code B 31. At ambient temperature below 0 deg C 10. If Two pipes different pre-heat requirements say t1 and t2 are to be welded. None of above --------------. At ambient temperature below 10 deg C d. Saudi Arabia 9. Average of to1 and to2 d.Professional Training and Consultation ASME B31.com .3 Process Piping 3rd upto 5th December 2005. the pre. Saudi Arabia 3 ● TEL (966) 3 887 6633 ● FAX (966) 3 887 6565 ● [email protected] for their joining shall be (t1 and t2 are in o C): a. At ambient temperature above 0 deg C b. At ambient temperature above 10 deg C c. Al-Khobar. Prince Faisal Bin Fahd Streets.