MANUAL REVIEWER 4 Flashcards
(102 cards)
What is the color sode for Grade 60 RSB?
A. White
B. Yellow
C. Green
D. None
C
What is the color for Weldable Grade 40 RSB?
A. Red
B. Yellow + Red
C. Green + Red
D. Silver
B
What is the maximum phosphorus content of RSB?
A. 0.06%
B. 0.60%
C. 6.0%
D. 60.0%
A
What is the reagent used in Specific Gravity Test for concrete aggregates?
A. Kerosene
B. Gasoline
C. Detergent
D. Crude Oil
A
What is the weight of each spheres of Los Angeles Abrasion Machine?
A. 309 - 465 g
B. 309 - 455 g
C. 390 - 445 g
D. 390 - 455 g
C
What is the speed of the Los Angeles Abrasion Machine during Abrasion Test?
A. 30 - 33 rpm
B. 31 - 33 rpm
C. 30 - 32 rpm
D. 30 - 31 rpm
A
How many spheres are used during Abrasion Test - Grading B at 500 revolutions?
A. 12
B. 11
C. 8
D. 6
B
This is a test that determines an aggregate’s resistance to disintegration by weathering and freeze-thaw cycle
A. Soundness
B. Abrasion
C. Durability
D. Decantation
A
What is the maximum insoluble residue of portland cement?
A. 0.45%
B. 0.65%
C. 0.50%
D. 0.75%
D
What is the standard specific gravity of the cement?
A. 3.15
B. 4.15
C. 3.25
D. 4.25
A
What is the rate of loading of compression machine during compression test of cylinder sample?
A. 20 - 50 psi/sec
B. 20 - 50 psi/min
C. 125 - 175 psi/min
D. 125 - 175 psi/sec
A
What is the rate of loading of compression machine during flexural test of beam samples?
A. 20 - 50 psi/sec
B. 20 - 50 psi/min
C. 125 - 175 psi/min
D. 125 - 175 psi/sec
C
Compressive and flexural test result should be reported nearest to
A. 1 psi
B. 10 psi
C. 5 psi
D. 10 MPa
B
What is the standard size of the beam sample?
A. 150 x 150 x 525 mm
B. 6 x 6 x 21 “
C. Either A or B
D. 6” x 12”
C
What is the standard size of the cylinder sample?
A. 150 x 150 x 525 mm
B. 6 x 6 x 21 “
C. Either A or B
D. 6” x 12”
D
What is the soaking time of the samples subject for California Bearing Ratio?
A. 48 hours
B. 72 hours
C. 96 hours
D. 24 hours
C
What do you call that cutback asphalt which is a combination of asphalt cement and gasoline?
A. Slow Curing
B. Medium Curing
C. Rapid Curing
D. Super Slow Curing
C
What do you call that cutback asphalt which is a combination of asphalt cement and kerosene?
A. Slow Curing
B. Medium Curing
C. Rapid Curing
D. Super Slow Curing
B
What is the minimum indivisual strength for non-load bearing hollow blocks?
A. 350 psi
B. 500 psi
C. 800 psi
D. 900 psi
B
What is the standard oven temperature for drying aggregates and soil samples?
A. 110 +- 5 deg C
B. 105 +- 5 deg C
C. 115 +- 5 deg C
D. 110 +- 10 dec C
A
This measures consistency of liquid asphalt and used in classifying liquid asphalts into grades
A. Distillation
B. Viscosity
C. Stability
D. Extraction
B
This test determines the temperature during manufacturing of the bituminous mixture
A. Flash Point
B. Solubility
C. Penetration
D. Spot Test
D
This test determines the total bitumen content of an asphaltic material using trichloro-ethylene
A. Flash Point
B. Solubility
C. Penetration
D. Spot Test
B
This test measures tendency of asphalt to form a flammable mixture with air and indicates safe-working temperature of asphalts without catching fire
A. Flash Point
B. Solubility
C. Penetration
D. Spot Test
A