T 275 Bulk Specific Gravity using Paraffin

Question 1

The specific gravity of the paraffin is required to calculate the bulk specific gravity of the specimen?

Answer 1

True

Question 2

The main difference between methods A and B is the approach used to determine?

Answer 2

The bulk volume of the compacted HMA mix

Question 3

T275 recommends the diameter of compacted specimens be at least __________ the maximum size of aggregate.

Answer 3

4 times

Question 4

The specific gravity of paraffin must be determined in the lab even if its value has been provided by the supplier.

Answer 4

False

Question 5

Bulk specific gravity is reported to the nearest?

Answer 5

0.001

Question 6

All mass measurements must be conducted at a constant temperature of?

Answer 6

77 +- 1.8°F or 25 ± 1°C

Question 7

T275 method a procedures were conducted to determine the bulk specific gravity of a dried specimen. The following data was obtained: A=2411.2 D= 2485.8 E= 1326.4 F= 0.89. Calc bulk specific gravity

Answer 7

2.242

Question 8

T275 method B procedures were conducted to determine bulk specific gravity the dried specimen. The following data was obtained: A= 2698.3 C= 2787.7 D= 7365.4 E= 8894.2 F= 0.87. Calc bulk specific gravity.

Answer 8

2.334

Question 9

How long after coating must the specimen cool before the mass in air of the coated specimen be determined?

Answer 9

At least 30 minutes

Question 10

How long is specimen required to be immersed in the water bath before recording mass?

Answer 10

4 ± 1 minutes

Question 11

How is the specific gravity of the paraffin obtained?

Answer 11

From the manufacturer or maybe determined in the lab