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Geotechnical Engineering
Geotechnical Engineering
Method of Site Exploration
Question 1
Marks :
+2
|
-2
Pass Ratio :
100%
Mud rotary drilling belongs to _________ type of boring method.
Percussion boring
Rotary boring
Wash boring
Auger boring
Explanation:
A drilling mud is forced downed in rotary boring, hence the method is also known as mud rotary drilling.
Question 2
Marks :
+2
|
-2
Pass Ratio :
100%
Auger boring is most suitable for __________ type of work.
Air field pavement
Highway exploration
Dam construction
Buildings
Explanation:
Auger boring is fairly satisfactory for highway explorations at shallow depths and for exploring borrow pits.
Question 3
Marks :
+2
|
-2
Pass Ratio :
100%
Wash boring cannot be used for _________ type of soil strata.
Cohesive soil
Cohesion less soil
Boulder
All of the mentioned
Explanation:
Wash boring cannot be used for strata containing boulders and rocks, as they cannot be penetrated by this method.
Question 4
Marks :
+2
|
-2
Pass Ratio :
100%
The Instruments used in hand augers are _________
Post hole auger
Sand pump
Wash boring apparatus
Stationary piston
Explanation:
Helical auger and Post hole auger are the common types of Hand auger in use.
Question 5
Marks :
+2
|
-2
Pass Ratio :
100%
The type of boring method that can be used for both rock and soils are ________
Shell boring
Wash boring
Auger boring
Rotary boring
Explanation:
Rotary boring or rotary drilling is a very fast method of advancing hole in both rocks and soil by drill rod.
Question 6
Marks :
+2
|
-2
Pass Ratio :
100%
Which of the following method is adopted for fast boring?
Cylindrical augers
Percussion boring
Rotary boring
Wash boring
Explanation:
Wash boring is a fast and simple method for advancing holes for all types of soils.
Question 7
Marks :
+2
|
-2
Pass Ratio :
100%
Hand auger can be used for depths up to ________
7 m
6 m
2 m
10 m
Explanation:
Mechanical augers are used for greater depth and Hand augers are used for depth up to 6 m.
Question 8
Marks :
+2
|
-2
Pass Ratio :
100%
Rotary boring can also be called as ___________
Percussion boring
Wash boring
Core boring
Pit boring
Explanation:
Rotary borings are used for rotary drilling and simultaneously obtaining the rock cores or samples. The method is then also known as core boring or core drilling.
Question 9
Marks :
+2
|
-2
Pass Ratio :
100%
The type of boring, used for making deep excavations is _________
Cylindrical augers
Percussion boring
Rotary boring
Wash boring
Explanation:
Cylindrical augers and shell with cutting edge on teeth at the lower end can be used for making deep boring.
Question 10
Marks :
+2
|
-2
Pass Ratio :
100%
Auger boring is used in __________ type of soil.
Cohesion less soil
Cohesive soil
Coarse-grained soil
Pervious soil
Explanation:
Augers are used in cohesive and other soft soils above the water table.
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