Process Equipment and Plant Design Which of the following lengths of heat exchanger tubes are normally not used in practice? 10 metres 2.5 metres 0.5 metre 6 metres 10 metres 2.5 metres 0.5 metre 6 metres ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a horizontal tube evaporator. It is unsuitable for concentrating those liquids, which form a scale or deposit salt It is suitable for process, in which the final product is a liquor instead of solid Liquor flows inside the tube, while the steam is outside submerging the tube Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres It is unsuitable for concentrating those liquids, which form a scale or deposit salt It is suitable for process, in which the final product is a liquor instead of solid Liquor flows inside the tube, while the steam is outside submerging the tube Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The function of manholes provided in the shell of a distillation column is to Guard against foaming & entrainment by dumping antifoaming agent through it Keep a check on the liquid gradient over the plate by direct visual observation All of these Give access to the individual trays for cleaning, maintenance and installation Guard against foaming & entrainment by dumping antifoaming agent through it Keep a check on the liquid gradient over the plate by direct visual observation All of these Give access to the individual trays for cleaning, maintenance and installation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally. Unpredictable Lower Same Higher Unpredictable Lower Same Higher ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the clearance of the tube is generally Not less than one-fourth of the tube diameter or 3/16" More than the tube diameter More in case of triangular pitch as compared to the square pitch tube layout Equal to the tube diameter Not less than one-fourth of the tube diameter or 3/16" More than the tube diameter More in case of triangular pitch as compared to the square pitch tube layout Equal to the tube diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thermal stress in a metallic bar does not depend upon the Both A & B Changes in temperature Neither A nor B Cross-sectional area Both A & B Changes in temperature Neither A nor B Cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
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