Chemical Engineering :: Chemical Engineering Basics
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__________ remains constant during the adiabatic cooling of moist air.
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__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.
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Out of the following, the alloy which has equal percentage of constituents, is
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Which of the following is the correct nature of shear stress distribution along the cross section in a horizontal circular pipe under steady state fluid flow condition ?
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Steel is welded using the __________ flame.
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Pick out the wrong statement.
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Shampoos are commercially not available in the form of
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A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its
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Carbon is present in the form of __________ in grey cast iron.
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In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :
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A.
Cold cracking of a weld is due to the presence of hydrogen gas in the weld.
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B.
True stress is given by, σ = σE (1 + εE), where σE and εE are engineering stress and engineering strain respectively.
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C.
Phosphorous can be easily recovered in the iron blast furnace.
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D.
High residual stress at the surface is beneficial for fatigue properties of a material.
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