Written Test Questions & 100% Verified Answers
g g g g g g g
| Latest Update |Already Graded A+
g g g g g g g
Samplinggbygthisgpracticegcoversgproceduresgforgobtaininggrepresentativegsamples,gong
whichgtestsgaregtogbegperformedgtogdetermineg
withgqualitygrequirementsgofgthegspeci
ficationsglistedgundergwhichgthegconcretegisgfurnishedg(C172/C172M-
17g=gSamplinggFreshlygMixedgConcrete)
➹➹➹:g Compliance
Thisgpracticegcoversgsamplinggfromgfivegtypesgofgequipmentgwhichgare...g(C172/C172M-
g 17g=gSamplinggFreshlygMixedgConcrete)
➹➹➹:g Stationary,gpaving,grevolvinggdrum,gcontinous,gandgopengtopgmixers
Thegelapsedgtimegbetweengobtaininggthegfirstgandgfinalgportionsgofgagcompositegsampleg
shallgnotgexceed...g(C172/C172M-17g=gSamplinggFreshlygMixedgConcrete)
➹➹➹:g 15gmins
TgorgF:gPortionsgofgagcompositegsamplegshallgbegthoroughlygremixedgbeforegbeginninggt
estsgongthegsampleg(C172/C172M-17g=gSamplinggFreshlygMixedgConcrete)
1g|gPgaggge
,➹➹➹:g True
2g|gPgaggge
,Startgtestsgforgslump,gtemperature,gandgairgcontentgwithing
aftergobtaininggthegfinalgp
ortiongofgthegcompositegsampleg(C172/C172M-17g=gSamplinggFreshlygMixedgConcrete)
➹➹➹:g 5
Startgmoldinggspecificgendsgforgstrengthgtestsgwithing
aftergfabricatinggthegcomposite
sampleg(C172/C172M-17g=gSamplinggFreshlygMixedgConcrete)
g
➹➹➹:g 15
Thegconcretegsamplegmustgbegprotectedgfromgcontaminationgandg...g(C172/C172M-
17g=gSamplinggFreshlygMixedgConcrete)
➹➹➹:g Rapidgevaporationg(alsogsungandgwind)
Thegminimumgsizegsamplegforgmakinggstrengthgtestgspecimensgisg...g(C172/C172M-
17g=gSamplinggFreshlygMixedgConcrete)
➹➹➹:g 28gLg(akag1gft3)
Whengsamplinggfromgagstationarygmixer,gthegbatchgmustgbegsampledgatg
orgmore
regularlygspacedgintervalsgduringgdischargegofgthegmiddlegportiongofgthegbatchg(C1
g
72/C172M-17g=gSamplinggFreshlygMixedgConcrete)
3g|gPgaggge
, ➹➹➹:g 2
4g|gPgaggge