Concrete Technology (3150610) MCQs

MCQs of Unit 2: Ingredients of Concrete : Aggregate

Showing 21 to 29 out of 29 Questions
1 2 3
21.
Which are the physical properties of aggregate?
(a) water absorption
(b) specific gravity
(c) moisture content
(d) all of above
Answer:

Option (d)

22.
How many blows are given in the toughness test of the coarse aggregate?
(a) 25
(b) 20
(c) 15
(d) 10
Answer:

Option (c)

23.
How many revolutions are given in the abrasion value test?
(a) 50 to 100
(b) 500 or 1000
(c) 500 to 1000
(d) any of above
Answer:

Option (b)

24.
How many revolutions are given in the abrasion value test per minute?
(a) 500
(b) 1000
(c) 30 to 33
(d) 500 or 1000
Answer:

Option (c)

25.
Which sieve is used to check impact value?
(a) 4.75
(b) 2.36
(c) 1.7
(d) 150 micron
Answer:

Option (b)

26.
Which sieve is used to check abrasion value?
(a) 4.75
(b) 2.36
(c) 1.7
(d) 150 micron
Answer:

Option (c)

27.
Which sieve is used to check the crushing value?
(a) 4.75
(b) 2.36
(c) 1.7
(d) 150 micron
Answer:

Option (b)

28.
Density of aggregate is a ration of
(a) volume v/s mass
(b) mass v/s volume
(c) liter v/s kg
(d) non of above
Answer:

Option (b)

29.
Which is acceptable grading?
(a) uniform grading
(b) continuous grading
(c) gap grading
(d) any of above
Answer:

Option (c)

Showing 21 to 29 out of 29 Questions
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