Proctor Compaction Test – MCQ
1. Who was the first person to demonstrate the relation between the water content and dry density of the soil
a) Proctor
b) William Albrecht
c) Charles Darwin
d) Selman Waksman
View Answer
a) Proctor
2. The capacity of the mould used in standard Proctor Compaction Test is
a) 1/20 cft
b) 1/30 cft
c) 1/36 cft
d) 1/42 cft
View Answer
b) 1/30 cft
3. The volume of mould in standard proctor test is
a) 1.415 Liter
b) 0.944 Liter
d) 0.787 Liter
e) 0.674 Liter
View Answer
b) 0.944 Liter
[Note – Question number (2) and (3) both are same, the only difference is their unit. In the second question, it is in ‘cft’, and in 3 question it is in ‘Liter’.]
4. Dimensions of mould used in standard proctor compaction test is
a) Dia 4 inches, and height 4.6 inches
b) Dia 4.6 inches, and height 4 inches
c) Dia 4.3 inches, and height 4.6 inches
d) Dia 4 inches, and height 4.3 inches
View Answer
5. How many blows of rammer are recommended for each layer in case of a standard proctor test?
a) 15
b) 25
c) 27
d) 35
View Answer
b) 25
6. The weight of the rammer used in the standard proctor compaction test is
a) 1.5 lb
b) 2.5 lb
c) 3.5 lb
d) 5.5 lb
View Answer
d) 5.5 lb
7. In standard proctor test, the rammer is allowed to fall under gravity from a height of
a) 8 inches
b) 12 inches
c) 14 inches
d) 18 inches
View Answer
b) 12 inches
8. The weight of the rammer used in case of modified proctor test is
a) 5.5 lb
b) 6.6 lb
c) 10 lb
d) 12 lb
View Answer
d) 12 lb
9. In modified proctor test, the rammer is allowed to fall under gravity from a height of
a) 8 inches
b) 12 inches
c) 14 inches
d) 18 inches
View Answer
d) 18 inches
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