ASA Sheetmetal Exam Questions With
Correct Answers
1- |A |well-designed |rivet |joint |will |subject |the |rivets |to |- |CORRECT |ANSWER✔✔-B- |shear |loads.
2- |A |main |difference |between |Lockbolt/Huckbolt |tension |and |shear |fasteners |(other |than |their
|application) |is |in |the |- |CORRECT |ANSWER✔✔-A- |number |of |locking |collar |grooves.
3- |Alloy |2117 |rivets |are |heat |treated |- |CORRECT |ANSWER✔✔-A- |by |the |manufacturer |and |do |
not |require |heat |treatment |before |being |driven.
4- |The |general |rule |for |finding |the |proper |rivet |diameter |is |- |CORRECT |ANSWER✔✔-C- |three |
times |the |thickness |of |the |thickest |sheet.
5- |The |shop |head |of |a |rivet |should |be |- |CORRECT |ANSWER✔✔-A- |one |and |one-half |times |the |
diameter |of |the |rivet |shank.
6- |One |of |the |main |advantages |of |Hi-Lok |type |fasteners |over |earlier |generations |is |that |- |
CORRECT |ANSWER✔✔-C- |they |can |be |installed |with |ordinary |hand |tools.
7- |The |markings |on |the |head |of |a |Dzus |fastener |identify |the |- |CORRECT |ANSWER✔✔-A- |body |
diameter, |type |of |head, |and |length |of |the |fastener.
8- |The |Dzus |turnlock |fastener |consists |of |a |stud, |grommet, |and |receptacle. |The |stud |length |is |
measured |in |- |CORRECT |ANSWER✔✔-A- |hundredths |of |an |inch.
,9- |The |Dzus |turnlock |fastener |consists |of |a |stud, |grommet, |and |receptacle. |The |stud |diameter |
is |measured |in |- |CORRECT |ANSWER✔✔-C- |sixteenths |of |an |inch.
10- |Threaded |rivets |(Rivnuts) |are |commonly |used |to |- |CORRECT |ANSWER✔✔-B- |attach |parts |
or |components |with |screws |to |sheet |metal.
11- |The |installation |of |Cherrymax |and |Olympic-Lok |rivets |is |accomplished |by |utilizing |- |
CORRECT |ANSWER✔✔-B- |a |pulling |tool.
12- |Hole |filling |fasteners |(for |example, |MS20470 |rivets) |should |not |be |used |in |composite |
structures |primarily |because |of |the |- |CORRECT |ANSWER✔✔-A- |possibility |of |causing |
delamination.
13- |Metal |fasteners |used |with |carbon/graphite |composite |structures |- |CORRECT |ANSWER✔✔-
B- |must |be |constructed |of |material |such |as |titanium |or |corrosion |resistant |steel.
14- |Sandwich |panels |made |of |metal |honeycomb |construction |are |used |on |modern |aircraft |
because |this |type |of |construction |- |CORRECT |ANSWER✔✔-A- |has |a |high |strength |to |weight |
ratio.
15- |(1) |When |performing |a |ring |(coin |tap) |test |on |composite |structures, |a |change |in |sound |
may |be |due |to |damage |or |to |transition |to |a |different |internal |structure.(2) |The |extent |of |
separation |damage |in |composite |structures |is |most |accurately |measured |by |a |ring |(coin |tap) |
test. |- |CORRECT |ANSWER✔✔-B- |only |No. |1 |is |true.
16- |Which |of |these |methods |may |be |used |to |inspectfiberglass/honeycomb |structures |for |
entrapped |water?1. |Acoustic |emission |monitoring.2. |X-ray.3. |Backlighting. |- |CORRECT |
ANSWER✔✔-C- |2 |and |3.
17- |When |balsa |wood |is |used |to |replace |a |damaged |honeycomb |core, |the |plug |should |be |cut |
so |that |- |CORRECT |ANSWER✔✔-C- |the |grain |is |perpendicular |to |the |skin.
, 18- |When |repairing |puncture-type |damage |of |a |metal |faced |laminated |honeycomb |panel, |the |
edges |of |the |doubler |should |be |tapered |to |- |CORRECT |ANSWER✔✔-B- |100 |times |the |thickness
|of |the |metal.
19- |One |of |the |best |ways |to |assure |that |a |properly |prepared |batch |of |matrix |resin |has |been |
achieved |is |to |- |CORRECT |ANSWER✔✔-B- |have |mixed |enough |for |a |test |sample.
20- |How |does |acoustic |emission |testing |detect |defects |in |composite |materials? |- |CORRECT |
ANSWER✔✔-A- |By |picking |up |the |'noise' |of |any |deterioration |that |may |be |present.
21- |What |precaution, |if |any, |should |be |taken |to |prevent |corrosion |inside |a |repaired |metal |
honeycomb |structure? |- |CORRECT |ANSWER✔✔-A- |Prime |the |repair |with |a |corrosion |inhibitor |
and |seal |from |the |atmosphere.
22- |One |method |of |inspecting |a |laminated |fiberglass |structure |that |has |been |subjected |to |
damage |is |to |- |CORRECT |ANSWER✔✔-A- |strip |the |damaged |area |of |all |paint |and |shine |a |
strong |light |through |the |structure.
23- |When |inspecting |a |composite |panel |using |the |ring |test/tapping |method, |a |dull |thud |may |
indicate |- |CORRECT |ANSWER✔✔-B- |separation |of |the |laminates.
24- |How |many |of |the |following |are |benefits |of |using |microballoons |when |making |repairs |to |
laminated |honeycomb |panels?1. |Greater |concentrations |of |resin |in |edges |and |corners.2. |
Improved |strength |to |weight |ratio.3. |Less |density4. |Lower |stress |concentrations |- |CORRECT |
ANSWER✔✔-A- |2, |3, |and |4.
25- |The |length |of |time |that |a |catalyzed |resin |will |remain |in |a |workable |state |is |called |the |- |
CORRECT |ANSWER✔✔-A- |pot |life.
Correct Answers
1- |A |well-designed |rivet |joint |will |subject |the |rivets |to |- |CORRECT |ANSWER✔✔-B- |shear |loads.
2- |A |main |difference |between |Lockbolt/Huckbolt |tension |and |shear |fasteners |(other |than |their
|application) |is |in |the |- |CORRECT |ANSWER✔✔-A- |number |of |locking |collar |grooves.
3- |Alloy |2117 |rivets |are |heat |treated |- |CORRECT |ANSWER✔✔-A- |by |the |manufacturer |and |do |
not |require |heat |treatment |before |being |driven.
4- |The |general |rule |for |finding |the |proper |rivet |diameter |is |- |CORRECT |ANSWER✔✔-C- |three |
times |the |thickness |of |the |thickest |sheet.
5- |The |shop |head |of |a |rivet |should |be |- |CORRECT |ANSWER✔✔-A- |one |and |one-half |times |the |
diameter |of |the |rivet |shank.
6- |One |of |the |main |advantages |of |Hi-Lok |type |fasteners |over |earlier |generations |is |that |- |
CORRECT |ANSWER✔✔-C- |they |can |be |installed |with |ordinary |hand |tools.
7- |The |markings |on |the |head |of |a |Dzus |fastener |identify |the |- |CORRECT |ANSWER✔✔-A- |body |
diameter, |type |of |head, |and |length |of |the |fastener.
8- |The |Dzus |turnlock |fastener |consists |of |a |stud, |grommet, |and |receptacle. |The |stud |length |is |
measured |in |- |CORRECT |ANSWER✔✔-A- |hundredths |of |an |inch.
,9- |The |Dzus |turnlock |fastener |consists |of |a |stud, |grommet, |and |receptacle. |The |stud |diameter |
is |measured |in |- |CORRECT |ANSWER✔✔-C- |sixteenths |of |an |inch.
10- |Threaded |rivets |(Rivnuts) |are |commonly |used |to |- |CORRECT |ANSWER✔✔-B- |attach |parts |
or |components |with |screws |to |sheet |metal.
11- |The |installation |of |Cherrymax |and |Olympic-Lok |rivets |is |accomplished |by |utilizing |- |
CORRECT |ANSWER✔✔-B- |a |pulling |tool.
12- |Hole |filling |fasteners |(for |example, |MS20470 |rivets) |should |not |be |used |in |composite |
structures |primarily |because |of |the |- |CORRECT |ANSWER✔✔-A- |possibility |of |causing |
delamination.
13- |Metal |fasteners |used |with |carbon/graphite |composite |structures |- |CORRECT |ANSWER✔✔-
B- |must |be |constructed |of |material |such |as |titanium |or |corrosion |resistant |steel.
14- |Sandwich |panels |made |of |metal |honeycomb |construction |are |used |on |modern |aircraft |
because |this |type |of |construction |- |CORRECT |ANSWER✔✔-A- |has |a |high |strength |to |weight |
ratio.
15- |(1) |When |performing |a |ring |(coin |tap) |test |on |composite |structures, |a |change |in |sound |
may |be |due |to |damage |or |to |transition |to |a |different |internal |structure.(2) |The |extent |of |
separation |damage |in |composite |structures |is |most |accurately |measured |by |a |ring |(coin |tap) |
test. |- |CORRECT |ANSWER✔✔-B- |only |No. |1 |is |true.
16- |Which |of |these |methods |may |be |used |to |inspectfiberglass/honeycomb |structures |for |
entrapped |water?1. |Acoustic |emission |monitoring.2. |X-ray.3. |Backlighting. |- |CORRECT |
ANSWER✔✔-C- |2 |and |3.
17- |When |balsa |wood |is |used |to |replace |a |damaged |honeycomb |core, |the |plug |should |be |cut |
so |that |- |CORRECT |ANSWER✔✔-C- |the |grain |is |perpendicular |to |the |skin.
, 18- |When |repairing |puncture-type |damage |of |a |metal |faced |laminated |honeycomb |panel, |the |
edges |of |the |doubler |should |be |tapered |to |- |CORRECT |ANSWER✔✔-B- |100 |times |the |thickness
|of |the |metal.
19- |One |of |the |best |ways |to |assure |that |a |properly |prepared |batch |of |matrix |resin |has |been |
achieved |is |to |- |CORRECT |ANSWER✔✔-B- |have |mixed |enough |for |a |test |sample.
20- |How |does |acoustic |emission |testing |detect |defects |in |composite |materials? |- |CORRECT |
ANSWER✔✔-A- |By |picking |up |the |'noise' |of |any |deterioration |that |may |be |present.
21- |What |precaution, |if |any, |should |be |taken |to |prevent |corrosion |inside |a |repaired |metal |
honeycomb |structure? |- |CORRECT |ANSWER✔✔-A- |Prime |the |repair |with |a |corrosion |inhibitor |
and |seal |from |the |atmosphere.
22- |One |method |of |inspecting |a |laminated |fiberglass |structure |that |has |been |subjected |to |
damage |is |to |- |CORRECT |ANSWER✔✔-A- |strip |the |damaged |area |of |all |paint |and |shine |a |
strong |light |through |the |structure.
23- |When |inspecting |a |composite |panel |using |the |ring |test/tapping |method, |a |dull |thud |may |
indicate |- |CORRECT |ANSWER✔✔-B- |separation |of |the |laminates.
24- |How |many |of |the |following |are |benefits |of |using |microballoons |when |making |repairs |to |
laminated |honeycomb |panels?1. |Greater |concentrations |of |resin |in |edges |and |corners.2. |
Improved |strength |to |weight |ratio.3. |Less |density4. |Lower |stress |concentrations |- |CORRECT |
ANSWER✔✔-A- |2, |3, |and |4.
25- |The |length |of |time |that |a |catalyzed |resin |will |remain |in |a |workable |state |is |called |the |- |
CORRECT |ANSWER✔✔-A- |pot |life.
