Preview only show first 10 pages with watermark. For full document please download

10 Asme B31.3 Final Exam Closed

ASME B31.3 FINAL EXAM

   EMBED


Share

Transcript

Professional Training and Consultation ASME B31.3 Process Piping 3rd upto 5th December 2005, Dammam, Saudi Arabia ASME B 31.3 PROCESS PIPING Final Ea! "Closed Boo#$ 1. To avoid excessive excessive stress stress concentrat concentration ion at flanged flanged joints joints which type of flange will you recommend? a. b. c. d. ". #hoose correct statement. a. b. c. d. '. $%W $%W pipe pipes s are are expe expens nsiv ive e co comp mpar ared ed to se seam amle less ss.. Seam Se amle less ss pipe pipes s are are c che heap aper er than than $%W $%W but but the they y have have lowe lowerr strength than $%W. Seam Se amle less ss pipe pipes s a are re expe expens nsiv ive e but but ca can n not not be used used for for higher temperatures. &ll &ll of abo above are are inco incorrrect rect stat statem eme ents. nts. (T) *T) +T) ,T and %T shall be performed as specified in the a. b. c. d. 0. Slip on flange Weld-nec flange !oth a and b are oay !lind flange &S*$ &S*$ &S*$ &S*$ !+( !+( !+ !+( !+( #ode) #ode) #o #ode) #ode) Section Section Section Section ( / (  What What is is the the only only cat categ egor ory y flui fluid d serv servic ice e that that may may be be subj subjec ectt to an initial service lea test? a. b. c. d. #ategory #ategory #ategory #ategory *  2 3 8th Floor, Al-Subeaei Towers, Kin Abdula!i! cor" #rince Faisal $in Fahd Streets, Al-Khobar, Saudi Arabia ● T%& '())* 3 88+ 88+ ))33 ● FA '())* 3 88+ )5)5 ● ino.otoitc"com ● www"otoitc"com 1 Professional Training and Consultation ASME B31.3 Process Piping 3  upto 5  December 2005, Dammam, Saudi Arabia rd 4. What will be 3ydrotest pressure for a piping system with design pr 5 166 psig) and safe stress at design condition is 17)666 psi while safe stress at test condition 8ambient9 is 1:)766 psi? a. b. c. d. ;. 146 psig 1'6 psig 1;4 psig 2one of above & piping is to be pneumatically tested at test pr 5 76 psig. What will the pressure at which a preliminary lea chec shall be performed? a. b. c. d. <. th 06 "6 "4 76 psig psig psig psig +re-heating) whenever specified is a. &pplicable to strength welds and not for tac welds b. c. d. 7. Strength welds and seal welds only Strength welds) tac welds and seal welds Strength welds only =or pressure testing of piping systems) which of the following statement8s9 are correct? a. b. c. d. 3a>ard of released energy is higher in case of hydrostatic test since 3ydrostatic pressure is 46 higher than design pr while pneumatic pressure is only 16 higher. =or hydrotesting water alone can be used and no other [email protected]. +neumatic test shall be conducted only if hydrostatic test is impracticable. a and c above 8th Floor, Al-Subeaei Towers, Kin Abdula!i! cor" #rince Faisal $in Fahd Streets, Al-Khobar, Saudi Arabia ● T%& '())* 3 88+ ))33 ● FA '())* 3 88+ )5)5 ● ino.otoitc"com ● www"otoitc"com 2 Professional Training and Consultation ASME B31.3 Process Piping 3  upto 5  December 2005, Dammam, Saudi Arabia rd :. #ode ! '1.' recommends and mandates min) [email protected] pre-heat temp) for welding of pipes. When do the recommendations become mandatory? a. b. c. d. 16. th &t &t &t &t ambient ambient ambient ambient temperature temperature temperature temperature above 6 deg # above 16 deg # below 16 deg # below 6 deg # f Two pipes different pre-heat [email protected] say t1 and t" are to be welded) the pre- heat for their joining shall be 8t 1 and t" are in o #9 a. b. c. d. 3igher of to1 and to" Aower of to1 and to" &verage of to1 and to" 2one of above --------------- $nd -------------- 8th Floor, Al-Subeaei Towers, Kin Abdula!i! cor" #rince Faisal $in Fahd Streets, Al-Khobar, Saudi Arabia ● T%& '())* 3 88+ ))33 ● FA '())* 3 88+ )5)5 ● ino.otoitc"com ● www"otoitc"com 3