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Tunnels:
Tunnels become unavoidable for negotiating hills, where detours are costly. The tunnels in rock are not lined, but those in loose strata require a lining of cement concrete. Drainage of water should be taken care of. Railway tunnels do not need to be lighted whereas road tunnels are invariably lighted.
Laying of Track
Laying of a railway track is also known as plate laying. It is the normal practice to lay the sleepers initially directly on the embankment and fix the rails to the sleepers, without placing the ballast. This is done so that the track can settle in the initial stages when the embankment is still in a loose state. Ballast is packed subsequently. The track already laid is used for transporting fresh track material on wagons.
What is couple
(a) Calculate the natural frequency of mass m = 1 Kg placed at one end of a cantilever beam of negligible mass. Length of cantilever = 500 mm, d = 30 mm, b = 20 mm, E = 210x10 9 N
a hot brass plate is having its upper surface cooled by impinging jet of air at temperature of 15 degree celcius
Dissect an email you have received. First, get the original, ASCII text of the email, including the headers, and the blank line separating the headers and the body of the email.
Heat generated uniformly in Stainless steel plate having k=20 W/m. 0 C. The thickness of the plate is 1cm and the heat generation rate is 500 MW/m 3 . If the two sides of the plate
what is mean by precipitation hardening?
how to submit work online?
Screw Conveyors: Screw conveyors are used principally for transmitting materials in the form of powder or paste with the application of rotating screw. For example feedin
Find out also the loss of energy through impact: Example 1. A bullet weighing 0.1 newton horizontally fired with a velocity of 80 metres/sec hits a wooden block, weighin
Two bodies of mass 1 kg and 2 kg move towards each other in mutually perpendicular direction with velocities 3m/s and 2 m/s respectively. If the bodies stick together after collisi
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