Heat Transfer The purpose of providing a 'catchall' in the vapor line of an evaporator is to Regulate the vapor flow Vent the non-condensible gases Create vacuum Arrest the entrained liquid Regulate the vapor flow Vent the non-condensible gases Create vacuum Arrest the entrained liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multipass heat exchangers are used For low heat load Because of simplicity of fabrication To reduce the pressure drop To obtain higher heat transfer co-efficient and shorter tube For low heat load Because of simplicity of fabrication To reduce the pressure drop To obtain higher heat transfer co-efficient and shorter tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Lower economy Lower capacity Higher economy Both A & B Lower economy Lower capacity Higher economy Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. None of these Vacuum High pressure Backward feed None of these Vacuum High pressure Backward feed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body is called grey if the monochromatic emissivity of the body is Same for all wavelengths Zero Unity Different for all wavelengths Same for all wavelengths Zero Unity Different for all wavelengths ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Small scale evaporation is done in a Multiple effect evaporator Condenser Steam jacketed kettle Heat exchanger Multiple effect evaporator Condenser Steam jacketed kettle Heat exchanger ANSWER DOWNLOAD EXAMIANS APP
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