API 510. Daily Exam-2(Open Exam-2(Open Book)
Note: Encircle only one answer which you think is most appropriate.
1.
A sta stand ndar ard d se seam amle less ss,, ASM ASME E F & D head head (Tor (Toris isph pher eric ical al)) is is use used d for the followin conditions! Material of "onstruction Desin 'ressure Desin temp +nside "rown adius Minimum aaila/le th0.
# # # # #
SA $1$ r % $ psi $*F - inches 1.1 inches
"ateor2 3 welds are spot radioraphed. "orrosion allowance # .1$ inches Allowa/le stress at desin temp. # 1% psi 4our assessment is! a. The head head does does not meet meet code re5uir re5uiremen ements. ts. /. The head head meets meets the code code re5uir re5uiremen ements. ts. c. Suita/ilit Suita/ilit2 2 would depend depend on decisio decision n of 'ressure 'ressure 6essel 6essel inspector. d. Data Data are not ade5ua ade5uate. te. .
A pressure essel is to /e constructed with MDMT # 78F, M.9." # SA $1$ r % . +mpact testin not performed. e5u e5uir ired ed shel shelll thic thic0n 0nes ess s # : , dish dished ed head head th0. th0. # 1;< 1;< = ( torisph. head). Determine if this material is suita/le for! a. /. c. d.
?.
3oth shell as well as dished he head Suita/le fo for he head /u /ut no not fo for sh shell Suit Su ita a/le /le for shell onl2 /ut /ut no not for for head head >ot suita/le for either
For For a ce cert rtai ain n pre press ssur ure e es esse sell wit with h spo spott rad radio ior rap aph2 h2,, and and all all @elds t2pe 1, 6essel diameter # - - inch +.D. M.9. " # SA $1$ r - Desin temp. # %8F Allowa/le stress at desin temp. # , psi +f shell th0. # $= and ". A # 1=, the MA@' for the shell will /e a. /. c. d.
? psi 1% psi $% psi >one of the a/oe conersiontmpscratch??1 conersiontmpscratch??1-?%%.doc -?%%.doc ?1 ?!$!? AM >"D
.
A pressure essel (M.9.". $1% r. -) has eBternal Cac0et spread oer - inches lenth of the shell. (ac0et pressure # 1 psi, ac0et temperature # ?$8F) the essel 9D # ?% inches. Shell thic0ness# .$ inch, ".A. # >il. Decide which of the followin are applica/le in the present case. a. /. c. d.
$.
Shell thic0ness is 9. Shell thic0ness is >9T 9. Data are not ade5uate. Acceptance of shell thic0ness depends on opinion of essel enineer.
"hoose correct h2drostatic test pressure from ien options for a essel with the followin data! Desin 'r Desin temp M.9." Allow stress (Am/ient) Allow stress (%-$8F) a. /. c. d.
%.
# # # # #
?% psi %-$*F SA $?- "l. 1 1% psi 1% psi
$ psi $1$ psi $ psi >one of a/oe
+mpact test re5uirement for the two plates is to /e assessed for MDMT # *F, to /e used for 6essel which will /e h2drotested and used for stead2 operation. 'late A. 'late 3.
'lates $?- class 1, 'lates $1$ r %,
. inch thic0 .-$ inch thic0
4our assessment is! a. /. c. d. -.
'late (A) and plate (3) /oth re5uire impact test. 9nl2 (A) re5uires, (3) is eBempt. 9nl2 (3) re5uires, (A) is eBempt. 3oth do not re5uire impact testin.
For essel shell, th0# . inch, maB. weld mismatch shall /e as follows! a. /. c. d.
Gon Gon Gon Gon
seam seam seam seam
# # # #
HI, circ seam # JI HI, circ seam # -?I -?I, circ seam # HI $I, circ seam # JI
conersiontmpscratch??1-?%%.doc ?1 ?!$!? AM >"D
.
Touhness (opposite of /rittleness) will /e /est for which materials! a. /. c. d.
.
represented represented represented represented
/2 /2 /2 /2
cure cure cure cure
A 3 " D
+n a pressure essel one of the !1 ellipsoidal dished head is remoed and a new seamless dished head of same t2pe is installed with a sinle K6L Coint with /ac0in strip and full radioraph2. @hat is the Coint cateor2, t2pe and efficienc2 of the Coint now a. /. c. d.
1.
Materials Materials Materials Materials
"ateor2;3, "ateor2;3, "ateor2;A, "ateor2;3,
T2pe;1 T2pe; T2pe; T2pe;
& & & &
E;. E;. E;1. E;1.
A pressure essel of oerall heiht L has its part MA@' at arious parts as detailed in the s0etch. @hat is the essel MA@' (h2drostatic head 1L # .?? psi) a. /. c. d.
1 ? %
psi psi psi psi
4'
426 psi 32'
54'
80'
440 psi
442.5 psi
454.64 psi
conersiontmpscratch??1-?%%.doc ?1 ?!$!? AM >"D
