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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.
Q. Explain Types Of Tiles? Different types of tiles available in the market for floor and walls & dado are as under - 1. Glazed tiles , 2. Ceramic tiles , 3. Granit
size of sieve to analysis the grading of 10 mm size stone grit
High-yield steel vs. mild steel as road reinforcement High yield steel is the preferred material for the reinforcement of concrete carriageway due to the subsequent reasons:
Please tel me about Timber Defected
Define Surface Cleaning Tools for Underwater Inspection of Bridge? To perform a thorough inspection, the marine growth on the structure must be removed. This can be done by var
support upper floor
centroid of shaded area
Example: The following fore bearings were observed respectively for lines, AB, BC, CD, DE, EF and FG. Find out their back bearings: (i) 148° (ii
use of centroid in civil engineering
Question In checking quality of weld, what are pros and cons of a variety of non-destructive weld inspection methods as in ultrasonic test, radiographic inspection and magnetic
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