Mix Design of Concrete and Asphalt
Concrete and Asphalt
Solved Example: 9128-01
If fineness modulus of sand is 2.5, it is graded as:
A. Very fine sand
B. Fine sand
C. Medium sand
D. Coarse sand
Correct Answer: B
Solved Example: 9128-02
Bulking of sand occurs in the moisture content of: (KPSC JE 2016)
A. 3%
B. 5%
C. 10%
D. 12%
Correct Answer: B
Solved Example: 9128-03
The aggregate impact value of the aggregate used in: (SSC JE CE Mar 2017 Evening)
A. Building concrete is less than 45
B. Road pavement concrete is less than 30
C. Runway concrete is less than 30
D. All the options are correct
Correct Answer: D
Solved Example: 9128-04
Which of following is not a function of sand in mortar? (Gujarat Engg Service 2019 Civil Part II)
A. Providing strength
B. Reducing the consumption of cement
C. Reducing shrinkage
D. Reducing the setting time
Correct Answer: A
Solved Example: 9128-05
Which of the following aggregates gives maximum strength in concrete? (KPSC JE 2017)
A. Rounded aggregate
B. Elongated aggregate
C. Flaky aggregate
D. Cubical aggregate
Correct Answer: D
Solved Example: 9128-06
Give an example for flaky shape of aggregate. (MP Sub Engg Civil Sep 2018 Shift II)
A. Pit sand
B. Crushed rock
C. Blown sand
D. Laminated rock
Correct Answer: D