7 ASME B31.3 Final Exam Open Book

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! "O#en Boo$% 1.

For calculating reinforcement pad requirements for 24" NB Plant piping the diameter of finished opening for a certain branch is 150 mm and required required thicness of header pipe is 10 mm. !hat ill be reinforcement area required# $a% $c% $c%

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00 00 llb b min min (00 (00 lb lb min min 400 lb lb min None None of of the the abo/ abo/e e

* car carbon ste steel *) *) * 5( ra rade B ma material is bei being impa impac ct tested. tested. !hat is the minimum minimum a/erage energ3 energ3 requiremen requirementt for this material $a/erage for ( specimensfull3 deoidi6ed steel%# a. b. c. d.

4.

$b% 1'500 sq. mm $d% $d% 1'00 1'000 0 sq. sq. mm

)uitab )uit able le rati rating ng for for pip pipe e flan flange ges s $*1 $*105 05%% for for +esig +esign n pr pr , 400 400 psi' psi' o design temp , 400 F ill bea. b. c. d.

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&50 sq. mm ('00 ('000 0 sq.m sq.mm m

& ftlbs 10 ftlbs 1( ftlbs 15 ftlbs

!her !here e the the desi design gn tem tempe pera ratu ture re of of the the s3st s3stem em is is the the same same as as the the h3drostatic test temperature' the h3drostatic test pressure shall not be less than- $7ield stress during h3drotest is not go/erning factor.% a. b. c. d.

1.15 times design pressure 1.1 ti times th the design pr pressure 1.25 ti times th the operating pr pressur sure 1.5 ti times th the design pr pressure

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

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Professional Training and Consultation

ASME B31.3 Process Piping 3  upto 5  December 2005, Dammam, Saudi Arabia rd

5.

th

* 10 gr B pipe after installation' required pneumatic lea test. +esign pr , (00 psi. !hat is first stage pressure for preliminar3 chec and final test pressure for final chec# a. b. c. d.

150 psi and ((0 psi 25 psi and ((0 psi 150 psi and 450 psi 25 psi and 450 psi

 8nd 

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

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