Chemical Engineering Basics In radiative heat transfer, a grey surface is the one, which has Equal brightness in all directions Grey appearance to the eye Emissivity independent of wavelength Zero reflectivity Equal brightness in all directions Grey appearance to the eye Emissivity independent of wavelength Zero reflectivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ 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. Flanged Bell and Spigot Expansion Collar Flanged Bell and Spigot Expansion Collar ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity. 50 None of these 100 50 None of these 100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Powder metallurgy process does not make metal powder by Atomisation Electrolytic deposition Grinding/milling Hammering Atomisation Electrolytic deposition Grinding/milling Hammering ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Source of heat supply in a cupola is Lumpy coal Coke Charcoal Pulverised coal Lumpy coal Coke Charcoal Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C. 3000 2000 2400 1800 3000 2000 2400 1800 ANSWER DOWNLOAD EXAMIANS APP
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