156) In soils having same values of plasticity index, if liquid limit is increased, then

compressibility and permeability decrease and dry strength increases

compressibility, permeability and dry strength decrease

compressibility, permeability and dry strength increase

compressibility and permeability increase and dry strength decreases

Answer is:

compressibility and permeability increase and dry strength decreases

Transportation Engineering MCQ with Answers

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157) Which of the following tests measures the toughness of road aggregates

crushing strength test

abrasion test

impact test

shape test

Answer is:

impact test

158) Los Angeles testing machine is used to conduct

abrasion test

impact test

attrition test

crushing strength test

Answer is:

abrasion test

159) In CBR test the value of CBR is calculated at

2.5 mm penetration only

5.0 mm penetration only

7.5 mm penetration only

both 2.5~mm and 5.0 mm penetrations

Answer is:

both 2.5~mm and 5.0 mm penetrations

160) If aggregate impact value is 20 to 30 percent, then it is classified as

exceptionally strong

strong

satisfactory for road surfacing

unsuitable for road surfacing

Answer is:

satisfactory for road surfacing

Transportation Engineering MCQ with Answers

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156) In soils having same values of plasticity index, if liquid limit is increased, then

compressibility and permeability increase and dry strength decreases

Transportation Engineering MCQ with Answers

Related Transportation Engineering MCQ with Answers

157) Which of the following tests measures the toughness of road aggregates

impact test

158) Los Angeles testing machine is used to conduct

abrasion test

159) In CBR test the value of CBR is calculated at

both 2.5~mm and 5.0 mm penetrations

160) If aggregate impact value is 20 to 30 percent, then it is classified as

satisfactory for road surfacing

Transportation Engineering MCQ with Answers