CCIL Concrete Test with Questions and
100% Correct Answers
The sides of a mould shall be tapped smartly - Answer 10 to 15 times with a mallet,
to avoid any air bubbles
Flowing superplasticized concrete mixes with a slump greater than 180 mm shall
be consolidated with - Answer 40% the number of strokes per layer
If a 150 x 300 mm mould has superplasticizer in it, with a slump of 190 mm, how
many times shall it be rodded? - Answer 10
If a cylinder has a diameter of 100 mm, how many times shall it be rodded? - Answer 20
If a cylinder has a diameter of 200 mm, how many times shall it be rodded? - Answer 50
If a cylinder has a diameter of 150 mm, how many times shall it be rodded? - Answer 25
If a cylinder has a diameter of 250 mm, how many times shall it be rodded? - Answer 75
A vibration mould shall be filled and vibrated in how many layers? - Answer 2
For a vibration mould, the second layer shall overfill the the mould by a maximum of
- Answer 6 mm
, After vibrating a mould, before striking the excess concrete off, there should be
an overfill of - Answer 3 mm
In internal vibration on a 100 x 200 mm cylinder, how many insertions per lift of the
vibrator are used? - Answer 1
In internal vibration on a 150 x 300 mm cylinder, how many insertions per lift of the
vibrator are used? - Answer 3
Laboratory test specimens shall be stored at a temperature of - Answer 23 +- 2 C
Laboratory test specimens shall be removed from their moulds after - Answer 20 +- 4
hours, and stored in a moist condition with free water maintained on all surfaces of
the specimen at all times
During initial curing of moulds, the test specimens shall be stored in a controlled
environment that maintains the temperature of - Answer 20 +- 5 C
After removing the specimens from their moulds, the specimens shall be stored in a
moist condition with free water maintained on surfaces for a duration of - Answer 23
+-2 C
In demoulding of test specimens, the specimens shall be removed from the moulds
after - Answer 28 +- 8 hrs
If the concrete has a specified strength of less than 35 MPa, the demoulding time
may be extended by - Answer 76 hrs
100% Correct Answers
The sides of a mould shall be tapped smartly - Answer 10 to 15 times with a mallet,
to avoid any air bubbles
Flowing superplasticized concrete mixes with a slump greater than 180 mm shall
be consolidated with - Answer 40% the number of strokes per layer
If a 150 x 300 mm mould has superplasticizer in it, with a slump of 190 mm, how
many times shall it be rodded? - Answer 10
If a cylinder has a diameter of 100 mm, how many times shall it be rodded? - Answer 20
If a cylinder has a diameter of 200 mm, how many times shall it be rodded? - Answer 50
If a cylinder has a diameter of 150 mm, how many times shall it be rodded? - Answer 25
If a cylinder has a diameter of 250 mm, how many times shall it be rodded? - Answer 75
A vibration mould shall be filled and vibrated in how many layers? - Answer 2
For a vibration mould, the second layer shall overfill the the mould by a maximum of
- Answer 6 mm
, After vibrating a mould, before striking the excess concrete off, there should be
an overfill of - Answer 3 mm
In internal vibration on a 100 x 200 mm cylinder, how many insertions per lift of the
vibrator are used? - Answer 1
In internal vibration on a 150 x 300 mm cylinder, how many insertions per lift of the
vibrator are used? - Answer 3
Laboratory test specimens shall be stored at a temperature of - Answer 23 +- 2 C
Laboratory test specimens shall be removed from their moulds after - Answer 20 +- 4
hours, and stored in a moist condition with free water maintained on all surfaces of
the specimen at all times
During initial curing of moulds, the test specimens shall be stored in a controlled
environment that maintains the temperature of - Answer 20 +- 5 C
After removing the specimens from their moulds, the specimens shall be stored in a
moist condition with free water maintained on surfaces for a duration of - Answer 23
+-2 C
In demoulding of test specimens, the specimens shall be removed from the moulds
after - Answer 28 +- 8 hrs
If the concrete has a specified strength of less than 35 MPa, the demoulding time
may be extended by - Answer 76 hrs
