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Q. Explain Hot weather Patrolling ?
Hot weather Patrolling is done for LWR and CWR tracks when the rail temperature reaches td + 200 C and above and td + 140 C for Central Railway.
Security Patrolling -
Security Patrolling of the specified section is done on special occasions link civil disturbances strikes etc with the object of protect trains against any sabotage etc like tampering of track placing of obstructions on the line etc.
Monsoon Patrolling -
Monsoon night Patrolling is done by Patrolmen in a programmed way on specified sections of the railway track to detect damage done by floods such as breaches settlements.
Define Electrical tool for underwater inspection of bridge? Electrical equipment like Rebar Scanner for scanning of rebars; underwater sonic and ultrasonic equipment for observ
evaluate limsin3theta over theta
Uses of Stones Stones are used in the following civil engineering constructions are described: (i) Stone masonry which is used for the construction of foundations, , columns
Absolute pressure is simply the addition of the observed gage pressure plus the value of the local atmospheric pressure.
An undisturbed sample of sand has a dry weight of 18.9 N and a volume of 1143 cm 3 . The solids have a specific gravity of 2.72. Laboratory tests indicate void ratios of 0.40 and 0
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Stress corrosion of pre-stressing steel Stress corrosion is crystalline cracking of metals under tensile stresses in the presence of corrosive agents. Conditions for stress cor
Ground Water Levels The location of the ground water level is essential for deep excavation, water-logged areas. The existing wells in the nearby vicinity of the proposed site
Define Underwater Inspection of steel or cast iron structures? Underwater Inspection of steel/cast iron structures may be carried out as under: i. Start the inspection at sp
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