Chemical Engineering :: Chemical Engineering Basics
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__________ method of depreciation calculation ensures that the interest is charged on the cost of machine asset every year on the book value, but the rate of depreciation remains constant every year.
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Main alloying element in Elinvar used in precision instruments, hair springs for watches etc. is
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Color of brass changes from yellow to __________ after its dezincification which exemplifies selective leaching.
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Heat dissipation in cooling towers is mainly by
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In BOF, desiliconisation is a first order reaction. So the silicon content of the metal decreases
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Hoope's cell is predominantly used for the electrolytic refining of
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Pick out the wrong statement.
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The life of a ball bearing is inversely proportional to
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Pick out the wrong statement.
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A.
Erosion corrosion which is identified by surface grooves, occurs due to the combined action of corrosive environment and mechanical abrasion.
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B.
Stress corrosion occurs due to the combined action of corrosive environment and the compressive stress.
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C.
Stainless steel is prone to stress corrosion in solution containing chloride ion.
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D.
In case of stress corrosion, the direction of crack propagation is perpendicular to the applied tensile stress.
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A.
Partnership is suitable for medium size business.
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B.
A certain minimum of subscription of capital is required for legally starting a business in a Public Limited Joint Stock Company.
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C.
Public Limited Joint Stock Company is legally bound to issue prospectus after registration.
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D.
A small scale industry is the one, which has a minimum capital investment of Rs. 50 lakhs and maximum 100 lakhs.
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