API 653 - SECTION 650 EXAM 2025 WITH
100% ACCURATE SOLUTIONS
API |650 |covers |material, |design, |fabrication, |erection |and |testing |requirements |for |aboveground
|welded |steel |storage |tanks. |Internal |pressure |allowed |for |these |tanks |approximates |atmospheric
|pressure. |However, |the |internal |pressures |mus |not |exceed |what |criteria? |- | |ANSWER |☑☑The |weight
|f |the |roof |plates |(1.1.1)
What |is |the |maximum |temperature |permissible |for |a |'standard |tank' |covered |by |API |650, |unless
|additional |requirements |of |appendix |M |of |API |650 |are |followed? |- | |ANSWER |☑☑200F |(1.1.1)
Appendix |A |provides |alternative |simplified |design |requirements |for |tanks |where |the |stressed
|components, |such |as |shell |plates |and |reinforcing |plates. |They |are |limited |to |a |maximum |nominal
|thickness |of |what |(inches)? |- | |ANSWER |☑☑1/2" |(1.1.7)
Who |is |responsible |for |complying |with |all |of |the |provisions |of |API |650 |when |a |new |tank |is |built? |- |
|ANSWER |☑☑The |manufacturer |(1.3)
Required |sections |of |this |Standard |become |mandatory |if |the |Standard |has |been |adopted |by
|_________ |- | |ANSWER |☑☑Legal |jusrisdiction |(3.11)
The |lowest |tempreature |considered |in |the |design |shall |be |assumed |to |be |how |many |degrees
|Farenheit |above |the |lowest |one-day |mean |ambient |temperature |of |the |locality |where |the |tank |is |to
|be |installed? |- | |ANSWER |☑☑15F |(3.4)
Material |used |to |construct |a |tank |shall |conform |to |the |specifications |of |API |650. |May |other |material
|be |used? |- | |ANSWER |☑☑Yes, |provdied |that |the |material |is |certified |to |meet |all |the |requirements |of
|an |applicable |material |spec |listed |in |650 |and |it |is |approved |by |the |buyer. |(4.1.2)
Shell |plates |for |API |650 |tanks |are |limited |to |what |maximum |thickness? |- | |ANSWER |☑☑1.75" |(4.2.1.4)
, A |tank |is |to |be |fabricated |using |ASTM |A283 |Grade |C |'killed' |material. |The |maximum |thickness |of |the
|lower |two |course |plates |is |3/4". |The |tank |is |to |be |constructed |in |Las |Vegas, |NV. |What |Minimum
|Design |Temperature |could |be |used |without |impact |testing? |- | |ANSWER |☑☑35F |(3.4) |and |(Fig |4.2)
An |impact |specimen |is |removed |from |a |1.25" |thick |ASTM |A516 |Grade |55 |plate. |Three |impact |tests
|are |taken |from |the |specimen. |What |average |longitudinal |impact |value |must |the |test |meet? |- |
|ANSWER |☑☑15ft-lb |(Tab |4.5b)
An |AST |is |to |be |built |in |Mobile, |AL. |No |other |information |is |available. |What |design |temperature
|would |you |use |for |this |tank? |- | |ANSWER |☑☑25F |(Fig |4.2)
An |AST's |bottom |plates |are |1/4" |thick. |They |are |single-welded |lap-jointed. |The |lap |need |not |exceed
|how |much? |- | |ANSWER |☑☑1" |(5.1.3.5)
The |bottom |course |of |a |tank |is |made |from |1" |thick |ASTM |A283 |Gr |C |plate. |The |second |course |of |the
|tank |is |made |from |3/4" |thick |plate. |What |is |the |minimum |distance |that |a |vertical |seam |of |the |top
|course |must |be |offset |from |a |vertical |seam |of |the |bottom |course? |- | |ANSWER |☑☑5t, |thickess |of
|thicker |course. |
(5*1) |= |5"
(5.1.5.1b)
In |a |butt-welded |bottom, |three |plate |joints |shall |be |at |least |how |many |inches |from |each |other |and
|from |the |tank |shell? |- | |ANSWER |☑☑12" |(5.1.5.4)
Who |specifies |the |design |metal |temperature, |the |design |specific |gravity, |the |corrosion |allowance |(if
|any) |and |the |design |wind |velocity |for |the |AST? |- | |ANSWER |☑☑The |purchaser |(5.2.2)
A |tank |is |buit |from |ASTM |A537M |1 |(C-Mn-Si) |normalized, |quenched |and |tempered, |killed |fine-grain,
|reduced |carbon |and |TMCP |steel. |The |welding |is |done |by |an |automatic |process. |The |purchaser
|requires |hardness |testing |of |the |welds. |The |tank |diameter |is |19.1M. |How |many |(if |any) |hardness
|test(s) |will |be |required |for |one |circumferential |weld? |- | |ANSWER |☑☑One |every |30m.
(19.1*pi) |= |60m, |2 |hardness |tests.
(5.3.3.4)
100% ACCURATE SOLUTIONS
API |650 |covers |material, |design, |fabrication, |erection |and |testing |requirements |for |aboveground
|welded |steel |storage |tanks. |Internal |pressure |allowed |for |these |tanks |approximates |atmospheric
|pressure. |However, |the |internal |pressures |mus |not |exceed |what |criteria? |- | |ANSWER |☑☑The |weight
|f |the |roof |plates |(1.1.1)
What |is |the |maximum |temperature |permissible |for |a |'standard |tank' |covered |by |API |650, |unless
|additional |requirements |of |appendix |M |of |API |650 |are |followed? |- | |ANSWER |☑☑200F |(1.1.1)
Appendix |A |provides |alternative |simplified |design |requirements |for |tanks |where |the |stressed
|components, |such |as |shell |plates |and |reinforcing |plates. |They |are |limited |to |a |maximum |nominal
|thickness |of |what |(inches)? |- | |ANSWER |☑☑1/2" |(1.1.7)
Who |is |responsible |for |complying |with |all |of |the |provisions |of |API |650 |when |a |new |tank |is |built? |- |
|ANSWER |☑☑The |manufacturer |(1.3)
Required |sections |of |this |Standard |become |mandatory |if |the |Standard |has |been |adopted |by
|_________ |- | |ANSWER |☑☑Legal |jusrisdiction |(3.11)
The |lowest |tempreature |considered |in |the |design |shall |be |assumed |to |be |how |many |degrees
|Farenheit |above |the |lowest |one-day |mean |ambient |temperature |of |the |locality |where |the |tank |is |to
|be |installed? |- | |ANSWER |☑☑15F |(3.4)
Material |used |to |construct |a |tank |shall |conform |to |the |specifications |of |API |650. |May |other |material
|be |used? |- | |ANSWER |☑☑Yes, |provdied |that |the |material |is |certified |to |meet |all |the |requirements |of
|an |applicable |material |spec |listed |in |650 |and |it |is |approved |by |the |buyer. |(4.1.2)
Shell |plates |for |API |650 |tanks |are |limited |to |what |maximum |thickness? |- | |ANSWER |☑☑1.75" |(4.2.1.4)
, A |tank |is |to |be |fabricated |using |ASTM |A283 |Grade |C |'killed' |material. |The |maximum |thickness |of |the
|lower |two |course |plates |is |3/4". |The |tank |is |to |be |constructed |in |Las |Vegas, |NV. |What |Minimum
|Design |Temperature |could |be |used |without |impact |testing? |- | |ANSWER |☑☑35F |(3.4) |and |(Fig |4.2)
An |impact |specimen |is |removed |from |a |1.25" |thick |ASTM |A516 |Grade |55 |plate. |Three |impact |tests
|are |taken |from |the |specimen. |What |average |longitudinal |impact |value |must |the |test |meet? |- |
|ANSWER |☑☑15ft-lb |(Tab |4.5b)
An |AST |is |to |be |built |in |Mobile, |AL. |No |other |information |is |available. |What |design |temperature
|would |you |use |for |this |tank? |- | |ANSWER |☑☑25F |(Fig |4.2)
An |AST's |bottom |plates |are |1/4" |thick. |They |are |single-welded |lap-jointed. |The |lap |need |not |exceed
|how |much? |- | |ANSWER |☑☑1" |(5.1.3.5)
The |bottom |course |of |a |tank |is |made |from |1" |thick |ASTM |A283 |Gr |C |plate. |The |second |course |of |the
|tank |is |made |from |3/4" |thick |plate. |What |is |the |minimum |distance |that |a |vertical |seam |of |the |top
|course |must |be |offset |from |a |vertical |seam |of |the |bottom |course? |- | |ANSWER |☑☑5t, |thickess |of
|thicker |course. |
(5*1) |= |5"
(5.1.5.1b)
In |a |butt-welded |bottom, |three |plate |joints |shall |be |at |least |how |many |inches |from |each |other |and
|from |the |tank |shell? |- | |ANSWER |☑☑12" |(5.1.5.4)
Who |specifies |the |design |metal |temperature, |the |design |specific |gravity, |the |corrosion |allowance |(if
|any) |and |the |design |wind |velocity |for |the |AST? |- | |ANSWER |☑☑The |purchaser |(5.2.2)
A |tank |is |buit |from |ASTM |A537M |1 |(C-Mn-Si) |normalized, |quenched |and |tempered, |killed |fine-grain,
|reduced |carbon |and |TMCP |steel. |The |welding |is |done |by |an |automatic |process. |The |purchaser
|requires |hardness |testing |of |the |welds. |The |tank |diameter |is |19.1M. |How |many |(if |any) |hardness
|test(s) |will |be |required |for |one |circumferential |weld? |- | |ANSWER |☑☑One |every |30m.
(19.1*pi) |= |60m, |2 |hardness |tests.
(5.3.3.4)
