Chemical Engineering :: Chemical Engineering Basics
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The best criterion for analysing an economic investment is the
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Deformation band is absent in materials having __________ lattice crystal structure.
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Out of the following, the rays having the lowest wavelength is the
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A fine grained grinding wheel should not be used for grinding __________ materials.
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What is the effect on the performance of the economiser in the thermal power plant boiler, if the feed water temperature is very low due to preheaters being out for repairs or starving of steam supply ?
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The bulk modulus of a material with Poisson's ratio of 0.5 is equal to
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Compression ratio of an I.C. engine is the ratio of the
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Two stroke engine compared to a four stroke engine has
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The pH value is the measure of hydrogen ion concentration in a solution. The term pH stands for the __________ in the solution.
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A.
It results in corrosion due to the condensation on the flue gas side of the economiser tubes due to handling of low temperature water.
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B.
Economiser tube life increases due to handling of low temperature water.
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C.
Heat transfer efficiency of economiser increases due to picking up high heat from the flue gases.
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D.
Scale formation rate on economiser tubes increases.
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