Pavement Design and Highway Construction (3150613) MCQs

MCQs of Unit 2: Pavement Materials and Characterization: Aggreagte

Showing 1 to 10 out of 37 Questions
1.
Los Angeles abrasion test on aggregate are done for the
(a) Hardness
(b) Toughness
(c) Durability
(d) None of the above
Answer:

Option (a)

2.
In grain size analysis, What is the full form of MSA
(a) Minimum Size of Aggregate
(b) Maximum Size of Aggregate
(c) Maximum Size of Asphalt
(d) Minimum Size of Asphalt
Answer:

Option (b)

3.
The maximum aggregate crushing value permitted for bituminous macadam(B.C.) is
(a) 30%
(b) 40%
(c) 50%
(d) 60%
Answer:

Option (b)

4.
In the Crushing value test, in how many layers aggregates are filled and compacted?
(a) 2 layers
(b) 4 layers
(c) 3 layers
(d) 5 layers
Answer:

Option (c)

5.
The aggregate is called high strength aggregate, if the aggregate crushing value is
(a) High
(b) Low
(c) Constant
(d) None of the above
Answer:

Option (b)

6.
In the Crushing Value test for aggregate, number of blows given for each layer is?
(a) 65 number of blows
(b) 55 number of blows
(c) 35 number of blows
(d) 25 number of blows
Answer:

Option (d)

7.
The aggregate crushing value of 10% indicates
(a) Exceptionally strong aggregates
(b) Moderate strength
(c) Weak aggregate
(d) None of the above
Answer:

Option (a)

8.
In the crushing value test of aggregate, W1 is Total weight of sample, W2 is weight of sample passing 2.36mm sieve, W3 is weight of sample retained on 2.36mm sieve, then aggregate crushing value is_____
(a) ( W2/W1 ) * 100
(b) ( W3/W1 ) * 100
(c) ( W1/W2 ) * 100
(d) ( W2/W3 ) * 100
Answer:

Option (a)

9.
In the Crushing value test of aggregate, Load applied by Compression Testing Machine in the test is?
(a) 5 tonnes per minute
(b) 3 tonnes per minute
(c) 4 tonnes per minute
(d) 6 tonnes per minute
Answer:

Option (c)

10.
In crushing test, the aggregate used is passing through ____mm sieve and retained on ____mm.
(a) 20mm, 16mm
(b) 16mm, 12.5mm
(c) 12.5mm, 10mm
(d) 10mm, 2.36mm
Answer:

Option (c)

Showing 1 to 10 out of 37 Questions