_____ is spray coat asphalt emulsion to bond aggregate base and asphalt concrete surface.1 pointPrime CoatTack Coat.Chip seal.Cold Mix.

what is acumen?

. ________ is the property of bitumen that permits it to undergo great deformation or elongation.1 pointFlexibilityDuctilityViscosityStiffness.

Choose the correct answer (A to E). A water in oil emulsionQuestion 8Answera.Has water as the continuous phaseb.Has a greasy texturec.Uses an emulsifier mixture with a relatively high HLB when compared to the HLB of an emulsifier used in an oil-water emulsiond.None of the answers are correct.

Choose the correct answer (A to D). Oil-soluble surfactantsQuestion 3Answera.None of the answers are correctb.Have a high HLB valuec.They can used to stabilise both oil-water and water-oil emulsions.d.They are always the main component in an oil-water emulsifying mixture

Choose the correct answer (A to D). Oil-soluble surfactantsQuestion 14Answera.They are always the main component in an oil-water emulsifying mixtureb.None of the answers are correctc.Have a high HLB valued.They can used to stabilise both oil-water and water-oil emulsions.