Chemical Engineering Basics If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase. Nucleate boiling Radiation Conduction Convection Nucleate boiling Radiation Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is a unit of time ? None of these Barn Angstrom Light year None of these Barn Angstrom Light year ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Salvage value is the most flexible criteria for analysing a financial investment. 'Salvaging' means Writing off the obsolete machine/ property Disposing off a machine/property on as is where is basis Mortgaging the obsolete machine/property Disposing off machine/property, which is no longer useful in the present scenerio Writing off the obsolete machine/ property Disposing off a machine/property on as is where is basis Mortgaging the obsolete machine/property Disposing off machine/property, which is no longer useful in the present scenerio ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air refrigeration cycle is used in the air crafts, because of Its low unit weight per ton of refrigeration Low temperature encountered at high altitude Its higher co-efficient of performance (COP) Its high heat transfer rate Its low unit weight per ton of refrigeration Low temperature encountered at high altitude Its higher co-efficient of performance (COP) Its high heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The basic function of the drum in a boiler is to Act as a storage for feed water Separate steam from water Remove settling impurities from steam Act as a storage for steam Act as a storage for feed water Separate steam from water Remove settling impurities from steam Act as a storage for steam ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be 90000 J 240000 J 60000 J 30000 J 90000 J 240000 J 60000 J 30000 J ANSWER DOWNLOAD EXAMIANS APP
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