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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.
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Horizontal Curves: When a vehicle of mass m moves on a curve of radius R with a speed of v (m/sec) (as shown in Figure 1) it is subjected to a centrifugal force equal to:
I have a geo technical Project that I need to be solved correctly and accurately within 15 hours exact, please. Steps and details must be included. Thanks a lot and let me know ASA
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Define Water jets for underwater inspection of bridge? These tools are widely used and produce a bright metal finish in one operation. Grit entrainment is available and makes t
A retaining wall with a smooth vertical back, 4.5 m high, retains a dry cohesionless backfill level with the top of the wall. γ = 18.6 kN/m 3 and φ = 30°. The backfill carries a u
Question What is device of cavitations in pipes and drains ? Answer Cavitations refer to arrangement of air foam in fluid in low-pressure condition that is lower than satura
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