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Q. Explain the process of Directed Track Maintenance?
DTM is a method to maintain the track is directed every day and not as a prescribed routine. DTM essentially consists of need based maintenance rather than routine periodical maintenance. Under this system track maintenance is done by proper identification of defects of the track geometry rectification of these defects under close supervision by attending the track at these isolated locations and there by maintaining the track to predetermined standards.
A pre- engineering base line was run down a very steep hill.rather than measure horizontaily down hill with steel tape: surveyor measured the vertical angle with the theodolite and
principle of direct levelling
Methods of design of prestressed concrete member What are different approaches or methods of design of prestressed concrete members? What are important considerations in th
Define the Abrasion - underwater inspection of bridge? Abrasion damage is caused by continuous action of external forces on the surface of the concrete element. Erosive action
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QUESTION (a) Using an illustration, describe what happens to sunrays when it passes through the atmosphere to reach the ground. (b) What is the role of a sunscreen/sunfil
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In a hydrometer analysis, 0.5 N of soil was mixed in water to form one litre of uniform suspen- sion. The corrected hydrometer reading after a lapse of 60 min. from the start of se
A hydro stressor consists essentially of a hydraulic pump which transmits its force through connecting vans to clamps which grips the rail. In case of mechanical tensor the force i
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