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 Conduction Convection Radiation Nucleate boiling Conduction Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of stress corrosion ? Caustic embrittlement of steel Both (a) & (b) Neither (a) nor (b) Season cracking of brass Caustic embrittlement of steel Both (a) & (b) Neither (a) nor (b) Season cracking of brass ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of hard alloy and tool steel is done to make it easily machinable. Case carburising Tempering Normalising Annealing Case carburising Tempering Normalising Annealing ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The main function of the deaerator used in the thermal power plant is to Remove non-condensable gases from condenser Remove dissolved gases from feed-water Enhance feed water temperature Throttle down the steam pressure Remove non-condensable gases from condenser Remove dissolved gases from feed-water Enhance feed water temperature Throttle down the steam pressure 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 Tempering of a material does not improve its Toughness Machinability Softness Internal stress level Toughness Machinability Softness Internal stress level ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS