Materials CE 200 Seminar Final Exam Quiz 3 - Asphalt Concrete and Binders and Wood Questions and Correct answers with Complete Solutions
The production difference between asphalts and tars - ✔✔- Asphalts are
produced, for the most part, by the non-destructive distillation of petroleum,
whereas tar is the product, for the most part, of the destructive distillation of coal
(and sometimes, in smaller quantities, during the petroleum refining process)
Between Asphalts and Tars, which is more suitable for sealants - ✔✔- Tars
weather better than asphalts, thus making them more suitable as sealants than
asphalts
Between Asphalts and Tars, which is more suitable for paving - ✔✔- Asphalts
are more abundantly produced than tars, and change their viscosity over a
smaller range with change in temperature than tars
Drying shrinkage in wood or timber occurs: - ✔✔- The most in tangential
direction to the annual or annular growth rings
T/F
Drying shrinkage in wood or timber occurs the most in tangential direction to the
annual or annular growth rings - ✔✔- True
T/F
Drying shrinkage in wood or timber occurs the most in the radial direction
towards pith of the tree - ✔✔- False
T/F
Drying shrinkage in wood or timber occurs the most in the longitudinal direction,
i.e., parallel to the grain - ✔✔- False