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Explain about the Hydrogen Embrittlement
As a result of the action of acids on high-tensile steels, liberation of hydrogen takes place. It penetrates into the steel surface and makes it brittle and fracture prone. Even small amounts of hydrogen can cause significant damage to the tensile strength of high-tensile steel wires. Use of high-alumina cement and blast furnace slag cement can cause hydrogen embrittlement in wires. In order to prevent it taking place, it is essential to properly protect steel from the action of acids. Protective coverings should be provided over the tendons for this puruose.
Determine the thermal stress in the bar: A stepped bar made of aluminum is held between two supports. The bar is 900 mm in length at 38ºC, 600 mm of which is having a diameter
Roads in Deserts: Problems Encountered The western portion of Rajasthan is part of the Thar desert, where strong winds below the fine desert sand particles leading to
elements of vibratory system
Define Safety Precautions for Underwater Inspection of Bridge? The working agency should have its own diving safety manual, which should be strictly followed. This manual shoul
The trigonometric levelling from the surveyor's notes is shown below. The ground elevation of T (ft) is most nearly: Solution: The elevation of point P can be found from: E
Necessity for Road Drainage: Poor drainage can cause damage to the various components of a road in the following manner: (a) Water can enter the various pavement layers th
State an expression for 'zero air-void line' and illustrate the line for a specific gravity of 2.65. What are the various factors that affect the compaction of soil in the field
Define Remedial measures for Problems in Turbid Water - Refraction? There is little that can be done to overcome the effects of refraction. Image definition and contrast in tur
can i use lockfix to making cantilever beam
You wish to buy a house and you can afford to make a down payment of $50,000. Your monthly mortgage payment cannot exceed $2,000. If 30-year loans are available at 7.5% annual inte
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