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Q. Explain about Catch Sidings?
Normally all catch sidings except those which are sanded shall be kept alive. On sanded catch siding, the rails shall be kept clear of sand for a length of 21.5 metres, beyond the section insulators in the overhead lines and the switches controlling the sanded catch sidings shall be kept in the neutral position. If an electric engine or single or multiple unit train runs into the sanded length of a catch siding, it may possibly be insulated from earth except through the buffers or couplings if connected to other vehicles, therefore these sidings shall not be made alive when an electric engine or single or multiple unit train or any vehicle coupled thereto are standing in the sanded tracks until all staff have been moved away from positions where they are likely to make contact between the permanent way formation and any part of the locomotive or single or multiple unit train or coupled vehicles. No person shall attempt to enter, or leave or in any other way make contact between the permanent way formation and the electric engine or single or multiple unit train or any vehicles coupled thereto while the overhead equipment of the sanded length of siding is alive.
A retaining wall 3.6 m high supports a dry cohesion less backfill with a plane ground surface sloping upwards at a surcharge angle of 20° from the top of the wall. The back of the
Intercepting Drains: Intercepting drains, also known as catch-water drains, are provided in the uphill slope of hill roads to intercept the water and lead it to a natural wat
Determine the condition of each activity in the network flow diagram shown below Ans: a. Activity C can be started only after the completion of activities A and
#how to measure elongation of aggregate
Q. Illustrate the Design discharge for foundation? To provide for an adequate margin of safety, the foundation and protective works of a bridge should be designed for a flood d
the nick name of FeS is fool''s gold-explain
earthen dam and gravity dam
What is the external load acting on a pre-stressed beam In the elastic range, a variation in the external load acting on a pre-stressed beam results in a change in the location
Please help me to write a c program to find strength and efficiency of lap joint, single cover butt joint, double cover butt joint
Cleaning and greasing of steel sliding bearings : Following equipments are required for greasing of steel sliding bearings: 1. Jacks (50 ton capacity) - 2 nos. 2. Hard wo
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