CE 200 QUIZ 2 TEST WITH THE CORRECT ANSWERS

CE 200 QUIZ 2 TEST WITH THE
CORRECT ANSWERS




Riprap vstands vfor v- v vcorrect vanswer-Very vlarge vpieces vof vrocks vthat vmay vbe
vused vin vaddition vto vpreventing verosion vof vsoil vas vthe vbase vcourse vof
vconstruction vof vpavements


In vPortland vcement vconcrete v(PCC) vthe vuse vof v- v vcorrect vanswer-Gravel, vwhich
vis vused vas vcourse vaggregate v(CA) vfiller vof vthe vport vland vcement
vconcrete(PCC) vis vprovided vto vstrength, veconomy vand vvolume vstability


In vconcretes, vbe vthe vportland vcement vconcrete v(PCC) vor vthe vasphalt vconcrete
v(AC) vthe vfine vaggregate v(FA) vis vused vas va vfiller v- v vcorrect vanswer-provide
vbetter vgradation vfor vthe vaggregates vto v(a) vprevent vgaps vin vthe vconcrete vthat
vwill vbe vfilled vwith vthe vcementitious vmaterial, v(b) vimprove vthe vwork vability
vespecially vin v(PCC)


Aggregates vconstitute v60% vto v75% v,by vvolume, vand v79% vto v85% vweight, vof
vthe vconetent vof v(PCC) vand v75% vto v85% v, vby vvolume, vand v92% vto v96% vby
vweight vof vthat vasphalt vconcrete v(AC) v- v vcorrect vanswer-All vof vthe vabove vare
vtrue


Aggregates vused vin vconcretes, vbe vthey vportland vcement vconcrete v(PCC) vor
vasphalt vconcrete v(AC) vare vrequired vto vmeet vvarious vstandards vfor vwhich vthey
vshould vbe vsubjected vto vtests, vsuch vas: v- v vcorrect vanswer-All vof vthe vabove vare
vtrue


Ideally, vaggregates vused vin vportland vcement vconcrete v(PCC) vbor vbest vresults,
vshould vhvae vmoisture vcontent vthat vqualifies vthem vfor vbedding vin vthe vwetness
vstate vof: v- v vcorrect vanswer-None vof vthe vabove vis vtrue