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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 is exerted mechanically by longitudinal jacks by means of this force the rail can be pushed or pulled to a desired length. In case of pushing the force should not exceed 30 tons otherwise the track is likely to buckle on that account. The rail are however normally pulled only during the distressing operations. The rail tensor is capable of distressing a rail at any time when the rail temperature is less than distressing temperature.
Q. Explain Hot weather Patrolling ? Hot weather Patrolling is done for LWR and CWR tracks when the rail temperature reaches td + 20 0 C and above and td + 14 0 C for Central
Minimum volume of sump volume for pumps Maximum pumping rate = Q P Volume of sump = V Inflow Rate = Q i Cycle Time T c = t 1 + t 2 t 1 = V / Q P - Q i t 2
Design of prestressed concrete pipes The design of prestressed concrete pipes should cover the following five stages : (a) Circumferential prestressing, winding with or wit
The head (energy) loss in the piping system between points 1 and 7 is the most nearly. Solution: 3 ft. The difference between point 1 and point 7 = 10 ƒt - 7 ƒt = 3 ƒt
Question While branch pipelines are connected to pipelines, now and then Y-junctions or fitting branched pipelines to key pipelines by formation of holes in pipelines are u
the propane gas tank has an inner diameter of 1500mm and wall thickness of 15mm. If the wall is pressurized to 2MPa, determine the absolute maximum shear stress in the wall of tank
Define Pavement Design - Transportation 1. Asphalt surface a. Estimate Design Traffic b. Determine the Structural Number (SN) for the given traffic, roadway, and soil cha
Define and explain Mohr’s theorem for finding slope and deflection.
what is quick cement? its manufacture and uses? in which building it is used?
Presence of Deleterious Material Deleterious materials are vegetable matter, soft particles, clay lumps, mica, coal, etc. which can adversely affect the performance of aggreg
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