MCQs of Highway Transportation_Part 3: Highway materials (Transportation Engineering - 3150611)

Transportation Engineering (3150611) MCQs

MCQs of Highway Transportation_Part 3: Highway materials

Showing 31 to 40 out of 70 Questions

31.

The aggregate is called high strength aggregate, if the aggregate crushing value is

(a)	High
(b)	Low
(c)	Constant
(d)	None of the above

32.

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

33.

The aggregate crushing value of 10% indicates

(a)	Exceptionally strong aggregates
(b)	Moderate strength
(c)	Weak aggregate
(d)	None of the above

34.

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

35.

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

36.

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

37.

The aggregate with crushing value below__________% is suitable for withstanding heavy load?

(a)	60
(b)	50
(c)	40
(d)	30

38.

Aggregate crushing value provides the relative measure of resistance to_________

(a)	Crushing under gradual increasing load
(b)	Crushing under sudden loads
(c)	Crushing under dynamic loads
(d)	None of the above

39.

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

(a)	Impact test
(b)	Abrasion test
(c)	Crushing test
(d)	Shape test

40.

Impact value of aggregate satisfactory for road surfacing is

(a)	<10%
(b)	20-30%
(c)	30-40%
(d)	>50%

Showing 31 to 40 out of 70 Questions