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Question
What is key role of drilling fluid in rotary drilling in site search?
Answer Drill fluid in rotating serves two main reasons.
(i) Facilitate rotation of drilling tube during rotary drilling.
(ii) Do something as a cooling agent to cool down heat generated during drilling operation. Traditionally, water is in general employed as drilling fluid. Yet, it suffers from following problems-
(i) It affects constancy of nearby ground with introduction of water into borehole
(ii) It affects excellence of instance by changing water content of soil samples collected from borehole or drillhole.
Question Would a sub-base layer be served as a drainage layer to take away water from pavement? Answer As well providing load distribution in post-construction stage a
select three materials metal and non mealat at least one of the selected materials shold change its property
Two crops are grown on land of 20ha.The cost of raising crop 1 is 3unit/ha, while for crop 2 it is 1 unit/ha.The benefit from crop 1 is 5unit/ha and from crop 2, it is 2 unit/ha. A
Planning of Water Transport Facilities: Definition of Terms In water transport system, a number of terms are used. It is necessary for a civil engineer to know the pr
Q. What is Immediate Settlement? Strain in all coarse grained, dry or partly saturated fine grained soils occur immediately after the application of stress. Hence, this change
fly levelling
Question What is main mechanism of formation of soil plugs in marine driven steel piles with reinforced concrete infill? Answer Throughout initial driving process, ope
how to reslove the above question
A retaining wall 9 m high retains granular fill weighing 18 kN/m 3 with level surface. The active thrust on the wall is 180 kN per metre length of the wall. The height of the wall
Define varigions principle of moments and write about system of forces?
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