Materials 3

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  • 1/100 Questions

    An experience field material engineer can easily identify whether the soil sample is plastic without the aid of laboratory equipment.

    • By air drying
    • By heating
    • Sample of moist soil molded and rolled into thin threads without breaking or crumbling
    • By soaking into the water
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About This Quiz

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Material Quizzes & Trivia

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  • 2. 

    The purpose of trial sections before subbase/base construction is started

    • To check the suitability of the materials

    • To check the efficiency of the equipment used

    • Construction method which is proposed to be used

    • All of the above

    Correct Answer
    A. All of the above
  • 3. 

    Which one do you like?

    • Option 1

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Option 1
  • 4. 

    Asphaltic materials use for treating an existing bituminous materials or cement concrete surface with bituminous materials

    • Prime coat

    • Tack coat

    • Seal coat

    • Any of the above

    Correct Answer
    A. Tack coat
  • 5. 

    The layer used in the pavement system between the subgrade and the base course

    • Embankment foundation

    • Embankment

    • Surfacing

    • Subbase

    Correct Answer
    A. Subbase
  • 6. 

    In a certain soil the LL=30 and PL=45. The plasticity index

    • 15

    • -15

    • 75

    • Non plastic

    Correct Answer
    A. -15
  • 7. 

    Most eefective factor for strength of concrete

    • Water-cement ratio

    • Water, cement and fine aggregates

    • Cement plus water

    • Any of the above

    Correct Answer
    A. Water-cement ratio
  • 8. 

    The moisture content when the groove is closed by ___ blows of the cup is defined as the liquid limit

    • 20

    • 25

    • 30

    • 35

    Correct Answer
    A. 25
  • 9. 

    In road construction the excavated materials was 705,900 cu.m and the waste was 505,600 cu.m. How many grading compaction plasticity test are required. 

    • 134

    • 150

    • 140

    • 146

    Correct Answer
    A. 134
  • 10. 

    The control of the temperature during mixing and compaction is of great significance.

    • The strength of the resulting pavement

    • The amount of the asphalt cement content

    • The amount of aggregate content

    • Proper determination of the method of rolling

    Correct Answer
    A. The strength of the resulting pavement
  • 11. 

    Calibration of universal testing machine shall be done.

    • Once in a year

    • Every 6 months

    • Every 4 months

    • Once a month

    Correct Answer
    A. Once in a year
  • 12. 

    Reduction of voids due to air being forced out of the soil pores

    • Consolidation

    • Compaction

    • Permeability

    • Capillarity

    Correct Answer
    A. Compaction
  • 13. 

    Maximum water-cement ratio for concrete class A

    • 0.46

    • 0.53

    • 0.55

    • 0.58

    Correct Answer
    A. 0.53
  • 14. 

    The weight of air-dried soil is 200 gms. The weight of mass of oven dried soil is 175 gms. Therefore, the hydroscopic moisture will be

    • 14.29%

    • 15.0%

    • 14.50%

    • 15.50%

    Correct Answer
    A. 14.29%
  • 15. 

    You are an experience material engineer of your firm. During compaction you found out that soil is too wet. What economical recommendation will you give

    • Reject the soil

    • Remove and replace the soil

    • Continuos compaction

    • Scarify and dry the soil by exposing it to air under suitable conditions

    Correct Answer
    A. Scarify and dry the soil by exposing it to air under suitable conditions
  • 16. 

    All test for determination of consistency limits of soil are on the fraction of soil passing the ___ sieve. 

    • #30

    • #40

    • #20

    • #8

    Correct Answer
    A. #40
  • 17. 

    Location of boring on the new proposed road shall be taken

    • Along the proposed centerline

    • Along the side of road

    • Both a and b

    • None of the above

    Correct Answer
    A. Both a and b
  • 18. 

    In laboratory compaction test, the wet density is 2049 kg/cu.m, the percent water content is 4.2%. The dry density will be

    • 2048

    • 1966

    • 1942

    • 1950

    Correct Answer
    A. 1966
  • 19. 

    The design thickness for PCCP is 200mm. The average thickness determination was taken and the result is 170mm. If you are a government materials engineer, what percent of contract price adjustment will you recommend?

    • 70%

    • No payment

    • 80%

    • 85%

    Correct Answer
    A. No payment
  • 20. 

    Piles shall be used only in places where the minimum penetration of __ in firm material can be obtained

    • 4 m

    • 5 m

    • 3 m

    • 4.5 m

    Correct Answer
    A. 3 m
  • 21. 

    You are the materials engineer of your firm. It so happen that in the preparation of the as-staked plans it was found out that there was an increase and new additional items of work from the original control program as submitted. What will you recommend?

    • Maintain the old submitted quality control program

    • Revised the quality control program

    • Delete the increase and the new additional item

    • Any of the above

    Correct Answer
    A. Revised the quality control program
  • 22. 

    After final rolling, the degree of compaction should be checked. The compated pavement shall have a density.

    • Equal to, or greater than 95% of the laboratory compacted density

    • Equal to, or greater than 97% of the laboratory compacted density

    • Equal to, or greater than 96% of the laboratory compacted density

    • Equal to, or greater than 94% of the laboratory compacted density

    Correct Answer
    A. Equal to, or greater than 95% of the laboratory compacted density
  • 23. 

    Not included in liquid limit determination

    • Balance, sensitive to 0.1gm

    • Liquid limit device

    • Extruder

    • Oven with temperature control

    Correct Answer
    A. Extruder
  • 24. 

    Unsuitable materilas, material other that suitable material such as

    • Highly organic soil such as peat and muck

    • Soil with a natural water content exceeding 100%

    • Soil with a very low density, 800 kg/cu.m or lower

    • All of the above

    Correct Answer
    A. All of the above
  • 25. 

    Maximum depth of exploration below subgrade level on road construction for areas of light cut and fill where there are no special problem

    • 2 m

    • 2.5 m

    • 1.5 m

    • 1.6 m

    Correct Answer
    A. 1.5 m
  • 26. 

    No. of set of concrete cylinder sample taken for every 75 cu.m of concrete

    • 1 set

    • 2 set

    • Any of a and b

    • 3 set

    Correct Answer
    A. 1 set
  • 27. 

    Required weight of sample for testing for fine aggregates use for concreting

    • 70 kg

    • 50 kg

    • 30 kg

    • 40 kg

    Correct Answer
    A. 50 kg
  • 28. 

    If there is a strength deficiency in the concrete specimens and it is not feasible or not advisable to obtain cores from the structure due to structural considerations, as a material engineer, what will you recommend?

    • Send letter to your superior for his decision

    • Recommend immediately adjusted price of payment with respect to the deficiency incurred

    • Both a and b

    • Tolerate strength deficiency

    Correct Answer
    A. Recommend immediately adjusted price of payment with respect to the deficiency incurred
  • 29. 

    Moisture content determination of soil, gives the following result. weight of containers plus weight soil =120gms, weight of container =70gms, wieght of container plus dry soil = 108 gms. The moisture content will be;

    • 30.20%

    • 31.58%

    • 31.70%

    • 31.90%

    Correct Answer
    A. 31.58%
  • 30. 

    You are the material engineer of a certain company doing an earth road construction. During the progress of construction highly organic soils was encountered. What will you recommend to your firm

    • Blend the highly organic soil with the granular materials

    • Removed an indirect placed with more stable materials

    • Covered highly organic soils with boulders

    • Placed several logs on the highly organic soils

    Correct Answer
    A. Removed an indirect placed with more stable materials
  • 31. 

    In determining the grade of steel use

    • Tensile strength

    • Yield strength

    • Shear strength

    • Bond

    Correct Answer
    A. Yield strength
  • 32. 

    Thickness determination of concrete cores shall be done at

    • 4 measurements

    • 9 measurements

    • 6 measurements

    • 8 measurements

    Correct Answer
    A. 9 measurements
  • 33. 

    The moisture content of subbase/base material shall be adjusted prior to compaction by

    • Watering with approved sprinkle mounted on trucks

    • Drying out in order to obtain the required compactions

    • Either a or b

    • Removal and replacing another material

    Correct Answer
    A. Either a or b
  • 34. 

    Atleast one group of three in-situ density tests shall be carried out for each __ of each layer of compacted fill.

    • 300 sq.m

    • 450 sq.m

    • 330 sq.m

    • 500 sq.m

    Correct Answer
    A. 500 sq.m
  • 35. 

    The concrete admixtures used when the normal setting time is shortened by the higher temperature, preventing the formation of cold joint, reduce the incidence of thermal cracking and to maintain concrete workability during large pours or long ready-mix hauls.

    • Accelerators

    • Retarders

    • Superplasticizers

    • Air entraining admixtures

    Correct Answer
    A. Retarders
  • 36. 

    The layer used in a pavement system to reinforce and protect the subgrade or subbase

    • Basement soil

    • Embankment foundation

    • Embankment

    • Base

    Correct Answer
    A. Base
  • 37. 

    What is the estimated diameter of the soil thread when rolled between the palm of the hand and the glass plate begin to crumble in the plastic limit determination.

    • 1/4"

    • 1/8"

    • 1/2"

    • 3/16"

    Correct Answer
    A. 1/8"
  • 38. 

    Required no. of representative core taken from each member of area in-place that is considered deficit

    • 3

    • 2

    • 1

    • 4

    Correct Answer
    A. 3
  • 39. 

    Number of hours of concrete cylinder sample to be submitted to the laboratory before testing

    • 24 hrs

    • 48 hrs

    • 12 hrs

    • 72 hrs

    Correct Answer
    A. 24 hrs
  • 40. 

    Tolerance of thickness layer for base course

    • +-10

    • +-20

    • +-15

    • +-25

    Correct Answer
    A. +-10
  • 41. 

    Percent compaction of ordinary condition soil

    • 90%

    • 95%

    • 85%

    • 100%

    Correct Answer
    A. 95%
  • 42. 

    Most specifications for concrete exposed to weathering require that water-cement ratio

    • 0.46

    • 0.55

    • 0.53

    • 0.58

    Correct Answer
    A. 0.53
  • 43. 

    Maximum plasticity index for base course

    • 8

    • 6

    • 7

    • 5

    Correct Answer
    A. 6
  • 44. 

    In CBR determination the corrected load at o.2 inch penetration result is 1,255 psi. The percent CBR will be 

    • 83.67%

    • 81.50%

    • 83.20%

    • 82.50%

    Correct Answer
    A. 83.67%
  • 45. 

    Number of hours of immersion/compression test that the sample place in water

    • 4 hrs

    • 6 hrs

    • 7 hrs

    • 8 hrs

    Correct Answer
    A. 4 hrs
  • 46. 

    In the construction of a 380 linear meter asphalt road, with a designed thickness of 5 cm, a width requirement of 3.05 m and a programmed quantity of bituminous mix of 135 tonnes, an asphalt core was taken after each full days operation. Result of thickness and density tests are as follows:Paving date           Paving length (m)       Thickness (cm)      Density (gm/cu.m)Day 1                               120                              5.3                        2.262Day 2                               140                              5.1                        2.311Day 3                               120                              5.0                        2.221 

    • 135 tonnes

    • 134.85 tonnes

    • 136 tonnes

    • 134.58 tonnes

    Correct Answer
    A. 134.85 tonnes
  • 47. 

    The process of producing a fill, subgrade, road base or road surface which is capable of withstanding the existing traffic under all weather and moisture conditions.

    • Soil stabilization

    • Use of admixtures

    • Both a and b

    • None of the above

    Correct Answer
    A. Both a and b
  • 48. 

    Item 200 liquid limit of special fill common materials

    • Not exceeding 25

    • Not exceeding 35

    • Not exceeding 30

    • Not exceeding 20

    Correct Answer
    A. Not exceeding 35
  • 49. 

    Liquid limit is either

    • Greater than plastic limit

    • Equal to the plastic limit

    • Lesser to the plastic limit

    • All of the above

    Correct Answer
    A. All of the above

Quiz Review Timeline (Updated): Aug 16, 2016 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Aug 16, 2016
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 16, 2016
    Quiz Created by
    Matthewsdizon
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