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Test: Highway Materials, Construction & Maintenance - 2 - Civil Engineering (CE) MCQ


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20 Questions MCQ Test Topicwise Question Bank for Civil Engineering - Test: Highway Materials, Construction & Maintenance - 2

Test: Highway Materials, Construction & Maintenance - 2 for Civil Engineering (CE) 2024 is part of Topicwise Question Bank for Civil Engineering preparation. The Test: Highway Materials, Construction & Maintenance - 2 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Highway Materials, Construction & Maintenance - 2 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Highway Materials, Construction & Maintenance - 2 below.
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Test: Highway Materials, Construction & Maintenance - 2 - Question 1

Bituminous materials are used in highway construction primarily because of their

Test: Highway Materials, Construction & Maintenance - 2 - Question 2

The group index of a soil sub-grade is 7. The sub-grade soil is rated as

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Test: Highway Materials, Construction & Maintenance - 2 - Question 3

Rapid curing cutback bitumen is produced by blending bitumen with

Detailed Solution for Test: Highway Materials, Construction & Maintenance - 2 - Question 3

Rapid curing cutbacks are bitumens, fluxed or cutback with a petroleum distillate such as neptha, or gasoline which will rapidly evaporate after using in construction, leaving the bitumen binder.

Test: Highway Materials, Construction & Maintenance - 2 - Question 4

Main drawback of CBR method is that it

Test: Highway Materials, Construction & Maintenance - 2 - Question 5

Bitumen is derived from

Detailed Solution for Test: Highway Materials, Construction & Maintenance - 2 - Question 5

Bitumens are derived from the destructive distillation of crude petroleum oils that give substantial amounts of heavy residue, typically from 10–50%, although crude oils giving a greater yield of residue are sometimes used. 

Test: Highway Materials, Construction & Maintenance - 2 - Question 6

Emulsions are used as binder mainly for

Test: Highway Materials, Construction & Maintenance - 2 - Question 7

Seal coat is provided to

Test: Highway Materials, Construction & Maintenance - 2 - Question 8

Aggregate used in road construction should have flakiness index not more than

Test: Highway Materials, Construction & Maintenance - 2 - Question 9

Which one of the following premix methods is used for base course?

Detailed Solution for Test: Highway Materials, Construction & Maintenance - 2 - Question 9

Bituminous carpet: surface course
Mastic asphalt: Surfacing for bridge deck slabs
Sheet Asphalt: wearing or surfacing course
Bitumen Bound Macadam: base course

Test: Highway Materials, Construction & Maintenance - 2 - Question 10

What is the recommended grade of tar of grouting purpose?

Detailed Solution for Test: Highway Materials, Construction & Maintenance - 2 - Question 10

Among the five grades of tar RT-1 has least viscosity and then viscosity increases with number,
RT-1 : Surface painting under cold weather
RT-2 : Surface painting under Indian conditions
RT-3 : Surface painting, renewal coats and premixing chips for top course and light carpets
RT-4 : Premixing tar macadam in base course
RT-5 : Has highest viscosity and used for grouting

Test: Highway Materials, Construction & Maintenance - 2 - Question 11

Which one of the following is the correct statements:
Penetration to know bitumen grade is measured in:

Detailed Solution for Test: Highway Materials, Construction & Maintenance - 2 - Question 11

Penetration test determines the hardness or softness of bitumen by measuring the depth in tenths of a millimetre to which a standard loaded needle wilt penetrate vertically in five seconds.

Test: Highway Materials, Construction & Maintenance - 2 - Question 12

A typical Marshall test graph is shown in the given figure. The variable on the X-axis is % binder content by weight of total mix. The variable on the Y-axis for the given graph will be

Detailed Solution for Test: Highway Materials, Construction & Maintenance - 2 - Question 12

Flow value is the deformation of specimen in 0.25 mm units up to the maximum load. It should be between 8 to 16.
Marshall stability value is the maximum load in kg before failure. Its minimum specified value is 340 kg. The stability first increases and then decreases with increase in bitumen content.
Unit weight also increases initially and then decreases.
Percentage of voids in total mix always decrease with increase in bitumen content.
The percentage of voids filled with bitumen increase with increase in bitumen content. But the graph is convex upward.

Test: Highway Materials, Construction & Maintenance - 2 - Question 13

The plasticity index of the fraction passing 425 micron IS sieve in case of sub-base/base course should be

Detailed Solution for Test: Highway Materials, Construction & Maintenance - 2 - Question 13

According to iS:2720 the Plasticity Index (PI) of binding material in WBM for base/subbase should be less than 6%.

Test: Highway Materials, Construction & Maintenance - 2 - Question 14

Which one of the following diagrams illustrates the relationship between VMA and % bitumen content (BT) in -Marshall test?

Detailed Solution for Test: Highway Materials, Construction & Maintenance - 2 - Question 14

Curve (a) → % air voids in total mix (Vv) Curve (b) → VMA ( % voids in mineral agg)
Curve (c) → unit weight (g/cc)
Curvo (d) → Flow value

Test: Highway Materials, Construction & Maintenance - 2 - Question 15

Bitumen grade 80/100 indicates that under the standard test conditions, penetration value of bitumen would vary from

Detailed Solution for Test: Highway Materials, Construction & Maintenance - 2 - Question 15

Penetration = (1/10) x reading on scale.

Test: Highway Materials, Construction & Maintenance - 2 - Question 16

The best binder material to be used with stone aggregates for patch repair work, is patch pot holes on wet pavements during the rainy season when the traffic is also heavy, is

Test: Highway Materials, Construction & Maintenance - 2 - Question 17

The most common type of failure that occurs on a flexible pavement is

Test: Highway Materials, Construction & Maintenance - 2 - Question 18

In which of the following types of bituminous constructions is proportionating of materials determined from laboratory tests?

Test: Highway Materials, Construction & Maintenance - 2 - Question 19

Which of the following tests measures the toughness of road aggregates?

Test: Highway Materials, Construction & Maintenance - 2 - Question 20

The binder normally used in flexible pavement construction is

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