7/25/2019 API 653 Quiz 4

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API-653 Examination Preparation Course

Quiz # 4

Open Book

1. The first ourse of an a!o"eroun$ storae tan% is fa!riate$ of &'() materia*+ the tan%

has !een in-ser"ie for 14 ,ears. Current thi%ness measurements re"ea* the enera*

on$ition of the she** p*ate to !e orro$e$ to an a"erae thi%ness of .643). The

a*u*ate$ minimum reuire$ $esin thi%ness is .4/). 0hat is the remainin *ifeexpetan, of this tan% !ase$ on the first ourse information

a2 emainin *ife &.3 ,ears!2 emainin *ife .3 ,ears

2 emainin *ife 15 ,ears

$2 emainin *ife 1( ,ears

/. 0hat is the maximum permissi!*e e*$ reinforement for a "ertia* 7oint in p*ate

thi%ness 1./5)a2 3'16thinh

!2 1'(th

inh2 1'4thinh

$2 3'3/n$inh

3. A repair oranization has a 0P8+ hih states it is ua*ifie$ for P-( to P-( materia*

e*$e$+ ith either E3(+ E3+ or E316 e*etro$es 98:A0 proess2. The PQsupportin this 0P8 states the e*$ test oupons ere 8A-/4 T,pe 34; materia*+

e*$e$ ith E3( e*etro$es. Is the 0P8 proper*, ua*ifie$ for the !ase materia* *iste$

a2 es - 8A-/4 T,pe 34; is P-( :ateria*

2 es the 0P8 is ua*ifie$ !eause the t,pe of e*etro$e is not an essentia* "aria!*e

4. ?urin the fi**in of a ne a!o"eroun$ storae tan% for initia* testin+ *ea%ae as

o!ser"e$ in a horizonta* seam. epairs are to !e omp*ete$ ith the test ater in the tan%.

The tan% is 61 feet hih an$ the *ea% is $iso"ere$ / feet !e*o the top of the tan%.0here must the ater *e"e* !e $urin the repair

a2 The ater *e"e* sha** !e not more than 31 feet from the !ottom of the tan%

!2 The ater *e"e* sha** !e not *ess than /6 feet from the top of the tan%2 The ater *e"e* sha** !e at the maximum $esin *iui$ *e"e*

$2 The ater sha** !e remo"e$ from the tan%

5. An Tehnia* Assoiates+ In. /& 9612 54-36

7/25/2019 API 653 Quiz 4

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API-653 Examination Preparation Course

Quiz # 4

Closed Book

1. If soi* mo"ement raises the ra$e *e"e* to o"er the *oer portion of the she**+ hat

ou*$ ,ou as the inspetor *oo% for

a2 8e"ere externa* orrosion of the she** !eneath the soi* *e"e* on*,

!2 8e"ere externa* orrosion of the she** at+ 7ust a!o"e or !e*o the ra$e *ine2 8e"ere interna* orrosion of the she** !eneath the soi* *e"e* on*,

$2 8e"ere interna* orrosion of the she** at+ 7ust a!o"e or !e*o the ra$e *ine

/. An inspetor shou*$ !e aare of the possi!i*it, of aumu*ation of $r, p,rophori

$eposits that ou*$ inite $urin the inspetion. 0hat shou*$ !e $one ith these $eposits

if the, an not !e remo"e$ prior to the inspetiona2 These $eposits shou*$ !e %ept moist

!2 These $eposits shou*$ !e %ept $r,

2 These $eposits shou*$ !e o"ere$ ith foam$2 These $eposits shou*$ !e *eft a*one an$ the inspetor shou*$ sta, at *east 1/ feet from

them

3. 0hat is the minimum o"er*ap for u*trasoni thi%ness rea$ins aor$in to API-5&5a2 1 perent !ase$ on the thi%ness of the part !ein examine$

!2 1 perent !ase$ on the $iameter of the trans$uer

2 1 perent !ase$ on the thi%ness of the a*i!ration !*o%$2 1 perent !ase$ on the $iameter of the trans$uer a!*e

4. To ensure suita!i*it, for ser"ie+ hat is the minimum permitte$ freuen, of tan%foun$ation inspetion

a2 Annua**,!2 E"er, fi"e ,ears2 :onth*,

$2 Perio$ia**,

5. A** tan%s sha** !e i"en a "isua* externa* inspetion+ !, an Authorize$ Inspetor+ at hat

freuen,

a2 Inspetion on$ute$ at *east e"er, / ,ears or at the uarter orrosion rate of the

!ottom hihe"er is *ess

!2 Inspetion on$ute$ at *east e"er, 5 ,ears or at the uarter orrosion rate of the!ottom hihe"er is *ess

2 Inspetion on$ute$ at *east e"er, 5 ,ears or at the uarter orrosion rate of the she**

hihe"er is *ess$2 Inspetion on$ute$ at *east e"er, / ,ears or at the uarter orrosion rate of the

she** hihe"er is *ess

@A> Tehnia* Assoiates+ In. /& 9612 54-36

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7/25/2019 API 653 Quiz 4

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API-653 Examination Preparation Course

Quiz # 4

Closed Book

6. eate$ tan%s or tan%s storin hot pro$ut an auseB

a2 Inrease$ ater intrusion $ue to ausin sno to me*t an$ run $on the tan% si$es

!2 Exessi"e $r,in out of onrete foun$ations resu*tin in premature $eterioration an$fai*ure

2 Ae*erate$ orrosion on the interna* surfae espeia**, in tan%s ith ater !ottoms

$2 Ae*erate$ orrosion on the externa* surfae $ue to e*e"ate$ temperature is the areais et

&. The "e*oit, in the materia* un$er test is a funtion of hih of the fo**oin

a2 The ph,sia* properties of the materia*

!2 The ph,sia* properties of the trans$uer2 The s%i** of the T tehniian

$2 The atmospheri on$itions at the time of the test

(. o $oes a e*$er maintain his or her ua*ifiation in a partiu*ar proess

a2 A e*$er must perform Co$e e*$in in eah proess ua*ifie$ at *east e"er, six

months!2 A e*$er must e*$ in eah proess ua*ifie$ at *east e"er, six months

2 A e*$er must perform Co$e e*$in in eah proess ua*ifie$ at *east e"er, three

months$2 A e*$er must e*$ in eah proess ua*ifie$ at *east e"er, three months

. API 8tan$ar$ 653 $efines the DCritia* one) for repairs to tan% !ottoms as hat

a2 That portion of the !ottom or annu*ar p*ate ithin 3F from the insi$e e$e of the she**+

measure$ ra$ia**, inar$!2 0ithin the annu*ar p*ate rin+ ithin 1/ inhes of the she**+ or ithin 1/ inhes of the

insi$e e$e of the annu*ar p*ate rin

2 That portion of the !ottom or annu*ar p*ate ithin 6F from the insi$e e$e of the she**+

measure$ ra$ia**, inar$$2 0ithin the annu*ar p*ate rin+ ithin 3F of the she**+ or ithin 1/ inhes of the insi$e

e$e of the annu*ar p*ate rin

1. 0hat is the reuirement hen proteti"e oatins are use$ on surfaes to !e e*$e$

a2 The oatin must !e remo"e$ prior to e*$in!2 The oatin sha** !e in*u$e$ in the e*$erGs performane ua*ifiation tests

2 The oatin sha** !e in*u$e$ in the e*$in proe$ure ua*ifiation

$2 The oatin sha** !e i$entifie$ on the purhase or$er

@A> Tehnia* Assoiates+ In. /& 9612 54-36