CAPA B Exam with Complete Solutions
CP 55 - What must asphalt mixtures be sampled in accordance too? - ANSWER-CP 41
CP 55 - Method A - ANSWER-Selection by Scoop
CP 55 - Method B - ANSWER-Quartering
CP 55 - Method C - ANSWER-Riffle Type Splitter
CP 55 - Method D - ANSWER-Selection by Cross Section
CP 44 - What must be made sure of in regard to the penetration point of the water
surface? - ANSWER-smallest practical size
CP 44 - What must be made sure of in regard to the condition of the immersion
container? - ANSWER-overflow condition
CP 44 - List the order of measurements taken when specimen was obtained in the field
- ANSWER-Immersed, SSD, Dry
CP 44 - List the order of measurements taken when specimen is made in the lab -
ANSWER-Dry, Immersed, SSD
CP 44 - At what temperature must the water be in the immersion tank? - ANSWER-77
+- 1.8F
CP 44 - What must you multiply your specific gravity by in order to convert the value to
pcf? - ANSWER-62.4
CP 51 - How often must flask calibrations be performed? - ANSWER-Monthly
CP 51 - At what temperature must the water be when calibrating flask? - ANSWER-77
+- 1F
CP 51 - Once two separately taken identical test specimens are obtained, what must
not be done at any time? - ANSWER-recombined
CP 51 - What determines how large of a sample must be taken? - ANSWER-Nominal
Maximum Particle Size
, CP 51 - Fine particles must be separated so they are no larger than what value? -
ANSWER-1/4"
CP 51 - Once sample is placed into flask, water is placed into the flask at a minimum of
_______ above the sample. - ANSWER-1"
CP 51 - What must be added to flask and water if the presence of lime is in the asphalt
mixture? - ANSWER-2-4 drops of phenolphthalein alcohol
CP 51 - Once phenolphthalein alcohol has been added, how long must you wait to show
potential presence of lime? - ANSWER-10 seconds
CP 51 - At what pressure must the vacuum be set? - ANSWER-28 +- 2 mm HG
CP 51 - How long must the sample be agitated? - ANSWER-15 +- 2 minutes
CP 51 - If manually agitating, what is the interval and frequency you must agitate the
flask? - ANSWER-2 minutes, 15 +- 5 seconds
CP 51 - After agitation is completed, at what temperature must the water be that you fill
the rest of the flask with? - ANSWER-77F
CP 51 - At what temperature must the water in the water bath be? - ANSWER-77 +- 1F
CP 51 - How long after sitting in the water bath must the mass be determined? -
ANSWER-10 +- 1 minute
CP 51 - To what significant figure is the maximum theoretical specific gravity recorded?
- ANSWER-0.001 (Nearest 1000th)
CP L 5120 - In ignition testing, at what temperature must the sample be burned at? -
ANSWER-a temperature high enough to ignite the asphalt binder fraction
CP L 5120 - What must the internal balance within the furnace chamber be readable to?
- ANSWER-0.1 g
CP L 5120 - When calibrating for ignition testing, should the oven baskets be preheated
before beginning the test? - ANSWER-No
CP L 5120 - What is the permitted sieving difference for aggregate larger than or equal
to the #8 sieve? - ANSWER-+- 5%
CP L 5120 - What is the permitted sieving difference for aggregate larger than the #200
sieve and smaller than the #8 sieve? - ANSWER-+- 3%
CP 55 - What must asphalt mixtures be sampled in accordance too? - ANSWER-CP 41
CP 55 - Method A - ANSWER-Selection by Scoop
CP 55 - Method B - ANSWER-Quartering
CP 55 - Method C - ANSWER-Riffle Type Splitter
CP 55 - Method D - ANSWER-Selection by Cross Section
CP 44 - What must be made sure of in regard to the penetration point of the water
surface? - ANSWER-smallest practical size
CP 44 - What must be made sure of in regard to the condition of the immersion
container? - ANSWER-overflow condition
CP 44 - List the order of measurements taken when specimen was obtained in the field
- ANSWER-Immersed, SSD, Dry
CP 44 - List the order of measurements taken when specimen is made in the lab -
ANSWER-Dry, Immersed, SSD
CP 44 - At what temperature must the water be in the immersion tank? - ANSWER-77
+- 1.8F
CP 44 - What must you multiply your specific gravity by in order to convert the value to
pcf? - ANSWER-62.4
CP 51 - How often must flask calibrations be performed? - ANSWER-Monthly
CP 51 - At what temperature must the water be when calibrating flask? - ANSWER-77
+- 1F
CP 51 - Once two separately taken identical test specimens are obtained, what must
not be done at any time? - ANSWER-recombined
CP 51 - What determines how large of a sample must be taken? - ANSWER-Nominal
Maximum Particle Size
, CP 51 - Fine particles must be separated so they are no larger than what value? -
ANSWER-1/4"
CP 51 - Once sample is placed into flask, water is placed into the flask at a minimum of
_______ above the sample. - ANSWER-1"
CP 51 - What must be added to flask and water if the presence of lime is in the asphalt
mixture? - ANSWER-2-4 drops of phenolphthalein alcohol
CP 51 - Once phenolphthalein alcohol has been added, how long must you wait to show
potential presence of lime? - ANSWER-10 seconds
CP 51 - At what pressure must the vacuum be set? - ANSWER-28 +- 2 mm HG
CP 51 - How long must the sample be agitated? - ANSWER-15 +- 2 minutes
CP 51 - If manually agitating, what is the interval and frequency you must agitate the
flask? - ANSWER-2 minutes, 15 +- 5 seconds
CP 51 - After agitation is completed, at what temperature must the water be that you fill
the rest of the flask with? - ANSWER-77F
CP 51 - At what temperature must the water in the water bath be? - ANSWER-77 +- 1F
CP 51 - How long after sitting in the water bath must the mass be determined? -
ANSWER-10 +- 1 minute
CP 51 - To what significant figure is the maximum theoretical specific gravity recorded?
- ANSWER-0.001 (Nearest 1000th)
CP L 5120 - In ignition testing, at what temperature must the sample be burned at? -
ANSWER-a temperature high enough to ignite the asphalt binder fraction
CP L 5120 - What must the internal balance within the furnace chamber be readable to?
- ANSWER-0.1 g
CP L 5120 - When calibrating for ignition testing, should the oven baskets be preheated
before beginning the test? - ANSWER-No
CP L 5120 - What is the permitted sieving difference for aggregate larger than or equal
to the #8 sieve? - ANSWER-+- 5%
CP L 5120 - What is the permitted sieving difference for aggregate larger than the #200
sieve and smaller than the #8 sieve? - ANSWER-+- 3%
