Asphalt binders - Study guides, Class notes & Summaries

What is asphalt? - generally a by-product of petroleum distillation; a complex hydrocarbon; soluble in petroleum products; can be naturally-occuring What is tar? - generally a by-product of coal production; resistant to petroleum products How can a source of asphalt be identified? - by solubility tests Where was asphalt obtained from originally? - Island of Trinidad and Venezuela; lakes

Asphalt is following type of material: A. Elastic B. Viscous C. Viscoelastic D. Plastic - Answer C. Viscoelastic How compaction density of asphalt is monitored during construction? A. Collecting samples and testing in lab B. Using nuclear density gauge C. Using infrared camera D. none of the above - Answer B. Using nuclear density gauge Which asphalt product (emulsion or cutback) is more environmental-friendly? A. Asphalt cement B. Emulsion C. Cutback asphalt D. all of the above - ...

From a fatigue perspective, the asphalt cement content should be minimized. - FALSE Stiffness of asphalt concrete increases with decreasing the frequency of loading - FALSE Performance grading requires that the measured properties of asphalt cements meet a specific maximum or minimum limit at a specific temperature - TRUE Aging of asphalt cement decreases viscosity - FALSE The objective of rotational viscometer testing is to determine asphalt binder flash point - FALSE All of the following...

CE 262 test 3 with Complete Solutions Describe the differences between asphalt cement, asphalt cutbacks, and asphalt emulsions, and explain why asphalt emulsions are preferable to asphalt cutbacks. - ANS ️️ Asphalt cement is a blend of hydrocarbons of different molecular- weights, heavier molecular weight hydrocarbons result in harder and more viscous asphalt. Asphalt cement is semisolid at room temperature, heated before applying, and has excellent adhesive characteristics and is the ...

What is asphalt? - generally a by-product of petroleum distillation; a complex hydrocarbon; soluble in petroleum products; can be naturally-occuring What is tar? - generally a by-product of coal production; resistant to petroleum products How can a source of asphalt be identified? - by solubility tests Where was asphalt obtained from originally? - Island of Trinidad and Venezuela; lakes What are petroleum-based asphalts? - a waste product from refinery-processing of crude oil; "bottom of ...

FDOT Asphalt Paving Level 2 QUESTIONS AND SOLUTIONS The decision-making authority on a job needs to be given to who? - ANSWER Needs to be given to the level closet to the work as specified in the specifications. It ensure a quick handle on situations and issues. The governing order of project documents from high (1) to low (7) starts with the highest being - ANSWER Special Provisions The governing order of project documents from high to low (2) - ANSWER Technical ...

TCRN Review Extremity and Wound Trauma Musculoskeletal Trauma, Surface and Burn Trauma with 249 Questions with Answers List some special considerations for abrasions. - CORRECT ANSWER Pain control - full thickness abrasions may be associated with nerve damage and may have less pain Evaporative heat loss - consider warming measures Evaporative fluid loss - consider need for fluid replacement Scarring - anesthetize wound and aggressively remove debris Define contusion. - CORRECT ANSWER Ru...

TCRN Review Extremity and Wound Trauma Musculoskeletal Trauma, Surface and Burn Trauma with 249 Questions with Answers List some special considerations for abrasions. - CORRECT ANSWER Pain control - full thickness abrasions may be associated with nerve damage and may have less pain Evaporative heat loss - consider warming measures Evaporative fluid loss - consider need for fluid replacement Scarring - anesthetize wound and aggressively remove debris Define contusion. - CORRECT ANSWER Ru...