Heat Transfer Heat exchanger tubes are never made of Lead Stainless steel Plain carbon steel Copper Lead Stainless steel Plain carbon steel Copper ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film boiling occurs at __________ pressure. very high negative none of the listed here atmospheric very high negative none of the listed here atmospheric ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Velocity of circulation Liquor-film co-efficient Neither A and B Both A and B Velocity of circulation Liquor-film co-efficient Neither A and B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is Thin walled having the value of Ao Ai/< 2 Both B and C Having the value of Ao/Ai > 2 Thick walled Thin walled having the value of Ao Ai/< 2 Both B and C Having the value of Ao/Ai > 2 Thick walled ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam traps are provided in steam carrying pipelines to condense steam remove condensate and inert gases release excess steam pressure by bleeding steam. none of the listed here condense steam remove condensate and inert gases release excess steam pressure by bleeding steam. none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is More Either more or less ; depends on the nature of vapor Some Less More Either more or less ; depends on the nature of vapor Some Less ANSWER DOWNLOAD EXAMIANS APP
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