MANUAL REVIEWER 5 Flashcards

1
Q

What will happen to the asphalt when the air void decreases in the Marshall Stability Test

A. Either C or B
B. Stays the same
C. Decreases
D. Increases

A

D

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2
Q

What is the minimum weight per bag of Construction Lime (Hydrated) if packed in paper bags

A. 23kg
B. 2.3kg
C. 4.5kg
D. 11.5kg

A

B

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3
Q

How much is the reduction of the concrete strength when the stress concentration is introduced when the top surface of a concrete specimen is rough and not truly plane

A. 75%
B. 20%
C. 25%
D. None

A

B

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4
Q

This is the most recommended class of concrete for all superstructures

A. Class A
B. Class B
C. Class P
D. Class A & B

A

A

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5
Q

What is the best thing to do after pouring of concrete to minimize cracking and ensure proper development of the concrete strength?

A. Sawing of joints
B. Grooving
C. Curing
D. Asphalting

A

C

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6
Q

What is the maximum time that a concrete vibrator shall be inserted in a vertical position

A. 10 sec
B. 15 sec
C. 20 sec
D. 30 sec

A

B

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7
Q

In conducting plastic limit test, what is the diameter of the thread soil samples to be rolled by hands

A. 3.2mm
B. 2.3mm
C. 4.2mm
D. 2.5mm

A

A

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8
Q

This test determines the crushing of strength of aggregates to ensure that coarse aggregates will not degrade to smaller ones

A. Grading
B. Decantation
C. Abrasion
D. CBR

A

C

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9
Q

In accepting completed concrete pavement poured by lane thickness determination shall come out by obtaining one core from every ___

A. 1000 m
B. 100 m
C. 500 m
D. 200 m

A

D

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10
Q

What is the flexural strength of the beam samples

A. 3.8 MPa
B. 4.5 MPa
C. 650 psi
D. 200 psi

A

A

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11
Q

What do you call the third test which will be conducted whenever the first two tests have the same results

A. Decision Test
B. Referee Test
C. Tie Breaker Test
D. Final Test

A

B

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12
Q

The following 3 cores with strength test results were taken from a pavement section. If the design strength is 3000 psi, the concrete represented by the cores are:
2600 psi
3400 psi
3000 psi

A. Considered Adequate
B. Considered Inadequate
C. Accepted with price adjustments
D. Subject for Re-Core

A

A

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13
Q

What do you call the application of asphaltic material and aggregate to an existing surface for sealing it against the infiltration of water surface moisture

A. Prime Coat
B. Tack Coat
C. Seal Coat
D. A & C

A

C

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14
Q

What is the minimum placing temperature for bituminous mixture measured in the truck prior to dumping

A. 157 deg C
B. 159 deg C
C. 169 deg C
D. 107 deg C

A

D

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15
Q

When is the sand very coarse, what range of its fineness modulus?

A. Highest
B. Lowest
C. Zero
D. Negative

A

A

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16
Q

What is the range of percent asphalt content in hot laid bituminous mixture

A. 5-8
B. 3-5
C. 3-12
D. 3-8

A

A

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17
Q

What is the tolerance of plain surface compression test specimen that needs capping

A. Within 0.10 mm
B. Within 0.05 mm
C. Within 0.15 mm
D. Within 0.12 mm

A

B

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18
Q

With the following water-cement ratio, which will produce the lowest strength of concrete, considering the same number of bags of cement and proportion of aggregates

A. 0.40
B. 0.50
C. 0.60
D. 0.45

A

C

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19
Q

What is the reason why there is a need to conduct testing of cylinder samples prior to 28 days curing time

A. Determine the design mix
B. Determine the strength development
C. Measures consistency of mix
D. For no valid reason

A

B

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20
Q

There is 1-QT reinforcing steel bars required for every ___

A. 5000 kg
B. 10000 kg
C. 15000 kg
D. 20000 kg

A

B

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21
Q

What is the maximum ambient temperature during the placing of concrete

A. 17 deg C
B. 23 deg C
C. 32 deg C
D. 25 deg C

A

C

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22
Q

What is the dimension tolerance of Gabions

A. +-5%
B. +-3%
C. +-10%
D. +-8%

A

A

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23
Q

What is the maximum density deficiency of the asphalt pavement for it to be accepted

A. 3%
B. 2%
C. 1%
D. 5%

A

B

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24
Q

What are the interconnected cracks forming a series of small blocks resembling alligator’s skin of chicken wire

A. Crocodile
B. Alligator
C. Relfection
D. Deflection

A

B

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25
Q

In a slip form construction, what is the slump of concrete used

A. Nearly Zero
B. 2 - 3”
C. 1 - 3”
D. 4 - 5”

A

A

26
Q

What sieve no. or opening in mm that divides between coarse and fine aggregates of soil

A. 0.075 mm
B. 19 mm
C. 12.5 mm
D. 2 mm

A

D

27
Q

What kind of asphalt is sued as joint filler in concrete pavement

A. Hot
B. Cold
C. Blown
D. Cutback

A

C

28
Q

What solvent is used in extraction of bitumen

A. Diesel
B. Gasoline
C. Water
D. Kerosene

A

B

29
Q

What is the other term for liquid asphalt

A. How
B. Cold
C. Blown
D. Cutback

A

D

30
Q

The bearing blocks of the compression machine should be at least ___ greater than the diameter of the specimen

A. 3%
B. 2%
C. 1%
D. 5%

A

A

31
Q

Each lot shall be divided into ___ equal segment and one core will be obtained from each segment in accordance with AASHTO T24

A. 3
B. 2
C. 1
D. 5

A

D

32
Q

What is the accuracy of the scales for weighing aggregates and cement

A. 0.30%
B. 0.20%
C. 0.10%
D. 0.50%

A

D

33
Q

What is the subgrade performance, when the calculated value of GI is negative

A. Poor
B. Very poor
C. Good
D. Moderate

A

C

34
Q

How many gradation ranges for hot plant mix bituminous pavement are there in the blue book?

A. 7
B. 6
C. 8
D. 5

A

A

35
Q

How many classes of admixture are there in the blue book

A. 7
B. 6
C. 8
D. 5

A

A

36
Q

How many classes of concrete are there in the blue book

A. 7
B. 6
C. 8
D. 5

A

D

37
Q

What is the maximum compacted thickness per layer for both aggregate subbase and base courses

A. 10 cm
B. 15 cm
C. 20 cm
D. 25 cm

A

C

38
Q

Where is the proper location for sampling of stockpiled aggregates

A. Top, mid, bottom
B. Mid only
C. Top and bottom
D. Anywhere

A

A

39
Q

How many bags of cement per cubic meter of class C concrete

A. 9.1
B. 11
C. 9.5
D. 8

A

C

40
Q

What is the maximum water cement ratio of class C concrete

A. 0.53
B. 0.55
C. 0.58
D. 0.60

A

C

41
Q

In concrete sampling, paste shall be of normal consistency of ___ when the rod settles to a point below the original surface in 30 sec

A. 5 +- 1 mm
B. 10 +- 1 mm
C. 15 +- 1 mm
D. 20 +- 1 mm

A

B

42
Q

What is the minimum application thickness of non-shrink grout

A. 13 mm
B. 25 mm
C. 50 mm
D. 10 mm

A

D

43
Q

What is the uniform rate of the movable head of California Bearing Ratio Machine in m/mm

A. 0.05
B. 0.10
C. 0.15
D. 0.20

A

B

44
Q

What is the maximum mass percent weighted loss, if the fine aggregates are subjected to five cycles of sodium sulfate soundness test

A. 5%
B. 10%
C. 12%
D. 15%

A

B

45
Q

What is the maximum mass percent weighted loss, if the coarse aggregates are subjected to five cycles of sodium sulfate soundness test

A. 5%
B. 10%
C. 12%
D. 15%

A

C

46
Q

What is the maximum application of coal tar asphalt sealer of a surface treatment on an asphalt pavement

A. 23 deg C
B. 32 deg C
C. 34 deg C
D. 35 deg C

A

D

47
Q

What is the shear angle of internal friction of mechanically-stabilized earth (MSE) retaining walls

A. 23
B. 32
C. 34
D. 35

A

C

48
Q

Test for sulfate and chloride content are no longer needed when resistivity is greater than ohm-centimeter of Mechanically-Stabilized Earth (MSE) Retaining Walls

A. 3000
B. 5000
C. 10000
D. 15000

A

B

49
Q

What is the minimum Wet/Dry Pull-Off Bond Strength to Concrete at concrete failure of Carbon Fiber Sheet

A. 3 MPa
B. 5 MPa
C. 1 MPa
D. 1.5 MPa

A

D

50
Q

How many number of blows are required per layer when sampling 6” x 6” x 36” beam

A. 63
B. 56
C. 108
D. 25

A

C

51
Q

How many blows are required per layer when sampling concrete cylinder

A. 63
B. 56
C. 108
D. 25

A

D

52
Q

What is the minimum lean concrete compressive strength

A. 13.8 MPa
B. 20.7 MPa
C. 16.5 MPa
D. 17.2 MPa

A

A

53
Q

What is the maximum mass percent of wear of coarse aggregates for Portland Cement Concrete Pavement

A. 45
B. 40
C. 50
D. 70

A

B

54
Q

What is the minimum thickness of the outer fender skin of rubber dock fenders

A. 23 mm
B. 32 mm
C. 50 mm
D. 70 mm

A

B

55
Q

What is the minimum design life / warranty for Noise Barriers from the date of initial Certification and Performance Acceptance

A. 2 years
B. 5 years
C. 3 uears
D. 7 years

A

C

56
Q

As per specification of corrugated asphalt roofing, each roof in position shall withstand up to ___ of wind pressure

A. 200 kph
B. 300 kph
C. 500 kph
D. 700 kph

A

A

57
Q

Coring of structural concrete injection and crack repair shall be done every ___

A. 10m
B. 15m
C. 20m
D. 50m

A

B

58
Q

How many types of hydrated lime are there in the blue book

A. 3
B. 4
C. 5
D. 1

A

B

59
Q

How may grading tests shall be conducted in a 1500-cubic meter of embankment

A. 3
B. 4
C. 5
D. 1

A

D

60
Q

What is the minimum test requirements for asphalt mix or Bituminous mixture

A. IQT for every 130 tons or 75 cu.m
B. IQT for every 40 tons or 200 drums
C. IQT for every 100 gallons
D. IQT for every delivery / shipment

A

A

61
Q

What is the minimum test requirements for asphalt material such as asphalt cement and cut back asphalt

A. IQT for every 130 tons or 75 cu.m
B. IQT for every 40 tons or 200 drums
C. IQT for every 100 gallons
D. IQT for every delivery / shipment

A

B