Question 1
In Abbot Compaction test, the effective height is ____________ cm.
A. 6
B. 11.7
C. 40
D. 50
View Answer
Answer: Option C
Explanation:
In Abbot Compaction test, the apparatus consists of a metal cylinder that has an effective height of 40 cm. For the Standard Proctor test, the height of the mould is 11.7 cm.
Question 2
In Abbot Compaction test, the internal diameter of the mould is ____________ cm.
A. 2
B. 3
C. 5.2
D. 10.15
View Answer
Answer: Option C
Explanation:
In Abbot Compaction test, the internal diameter of the mould is 5.2 cm. For the Standard Proctor test, the internal diameter of the mould is 10.15 cm.
Question 3
In Dietert test, the cylindrical weight falls through a height of ______ inches.
A. 2
B. 12
C. 18
D. 23
View Answer
Answer: Option A
Explanation:
In Dietert test, the cylindrical weight falls through a height of 2 inches. In Standard Proctor test, the height of free fall is 12 inches and for Modified Proctor test, the height of free fall is 18 inches.
Question 4
In Dietert test, the diameter of mould is _______ inches.
A. 2
B. 4
C. 6
D. 8
View Answer
Answer: Option A
Explanation:
The Dietert is a type of compaction test that is not mostly used. The apparatus for the test consists of a 2 inch diameter mould that is supported on a metal base by two pegs.
Question 5
In Jodhpur mini compaction test, a 2.5 kg DRT is used which falls freely from a height of ______ cm.
A. 35
B. 31
C. 45.72
D. 25
View Answer
Answer: Option A
Explanation:
In Jodhpur mini compaction test, a 2.5 kg DRT is used which falls freely from a height of 25 cm. The height of free fall in Abbot compaction test is 35 cm above the base. For the Standard Proctor test, the height of free fall is 31 cm and for Modified Proctor test, the height of free fall is 45.72 cm.
Question 6
In Jodhpur mini compaction test, the mould has capacity of ________ litre.
A. 0.3
B. 0.945
C. 0.5
D. 0.423
View Answer
Answer: Option A
Explanation:
In Jodhpur mini compaction test, the mould has effective height of 60 mm and internal diameter of 79.8 mm. Therefore the volume of the cylinder is, πr2 h=π*79.82*60 mm3=0.3 litres.
Question 7
In Jodhpur mini compaction test, the mould has effective height of ________ cm.
A. 6
B. 11.7
C. 40
D. 50
View Answer
Answer: Option B
Explanation:
In Jodhpur mini compaction test, the mould has effective height of 60 mm. In Abbot Compaction test, the apparatus consists of a metal cylinder that has an effective height of 40 cm. For the Standard Proctor test, the height of the mould is 11.7 cm.
Question 8
In Jodhpur mini compaction test, the mould has internal diameter of ________ mm.
A. 79.8
B. 12.7
C. 45.72
D. 101.5
View Answer
Answer: Option A
Explanation:
In Jodhpur mini compaction test, the mould has internal diameter of 79.8 mm so that the cross-sectional area becomes 50 cm2. The Standard Proctor test mould has diameter of 101.5 mm.
Question 9
In Jodhpur mini compaction test, the soil is compacted in ______ layers.
A. 1
B. 2
C. 5
D. 3
View Answer
Answer: Option B
Explanation:
In Jodhpur mini compaction test, the soil is compacted in 2 equal layers. In Modified Proctor test the number of layers of the soil is compacted is five. While in Standard Proctor test the number of layers of the soil is compacted is three.
Question 10
The energy per volume for Heavy compaction test is ______________
A. 593 kJ/m3
B. 2944 kJ/m3
C. 2674 kJ/m3
D. kJ/m3
View Answer
Question 11
The energy per volume for Light compaction test is ______________
A. 593 kJ/m3
B. 2944 kJ/m3
C. 2674 kJ/m3
D. kJ/m3
View Answer
Question 12
The energy per volume for Modified Proctor test is ______________
A. 593 kJ/m3
B. 2944 kJ/m3
C. 2674 kJ/m3
D. 4324 kJ/m3
View Answer
Question 13
The height of free fall in Abbot compaction test is _______ cm.
A. 35
B. 31
C. 45.72
D. 43
View Answer
Answer: Option A
Explanation:
The height of free fall in Abbot compaction test is 35 cm above the base. For the Standard Proctor test, the height of free fall is 31 cm and for Modified Proctor test, the height of free fall is 45.72 cm.
Question 14
The water content used in field compaction is called _______
A. optimum water content
B. dry water content
C. placement water content
D. specific water content
View Answer
Answer: Option C
Explanation:
The water content used in field compaction is called as the placement water content. The optimum water content is the water content at which the soil attains its maximum density.