Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Neither A and B Both A and B Velocity of circulation Liquor-film co-efficient Neither A and B Both A and B Velocity of circulation Liquor-film co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances. Product Geometric mean Average Sum Product Geometric mean Average Sum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Air is best heated with steam in a heat exchanger of double pipe type with fin on air side plate type double pipe type with fin on steam side shell and tube type double pipe type with fin on air side plate type double pipe type with fin on steam side shell and tube type ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of a solution of NaOH Both B and C Is almost independent of pressure Is almost independent of temperature Increases rapidly with temperature rise Both B and C Is almost independent of pressure Is almost independent of temperature Increases rapidly with temperature rise ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator as compared to a single effect evaporator of the same capacity has Lower steam economy Higher steam economy Higher solute concentration in the product Lower heat transfer area Lower steam economy Higher steam economy Higher solute concentration in the product Lower heat transfer area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most widely used heat insulating material for pipelines carrying steam? Cotton followed by aluminium foil 85% magnesia cement and glass wool Fireclay refractory followed by aluminium sheet Tar dolomite bricks followed by asbestos Cotton followed by aluminium foil 85% magnesia cement and glass wool Fireclay refractory followed by aluminium sheet Tar dolomite bricks followed by asbestos ANSWER DOWNLOAD EXAMIANS APP
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