EXAMIANS
The film thickness for laminar film condensation on vertical surface __________ from top to bottom.
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Economy of a multiple effect evaporator depends upon the
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In a laboratory test run, the rate of drying was found to be 0.5 x 10-3 kg/m².s, when the moisture content reduced from 0.4 to 0.1 on dry basis. The critical moisture content of the material is 0.08 on a dry basis. A tray dryer is used to dry 100 kg (dry basis) of the same material under identical conditions. The surface area of the material is 0.04 m²/kg of dry solid. The time required (in seconds) to reduce the moisture content of the solids from 0.3 to 0.2 (dry basis) is
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As per Kirchoffs law, the ratio of the total radiating power to the absorptivity of a body depends on the
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At constant temperature, the thermal conductivities of gases __________ with rise in pressure.
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Solid angle subtended by the finite surface at the radiating element is
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The driving potential for the crystal growth during crystallisation is the __________ of the solution.
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If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law.
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Radiation heat losses from satisfactorily insulated high pressure boilar may be about __________ percent.
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Boiling point elevation of a solution of NaOH
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