Process Equipment and Plant Design Which of the following is the best tube material from thermal conductivity point of view alone? Stainless steel Carbon steel Aluminium Copper Stainless steel Carbon steel Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Larger depth of liquid on the trays of a distillation column Results in higher pressure drop per tray Leads to high tray efficiency Both A & B Neither A nor B Results in higher pressure drop per tray Leads to high tray efficiency Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing. 200-250 750-1000 25-50 50-75 200-250 750-1000 25-50 50-75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) Πd/4P² 4P²/πd 4(P² - πd²/4)/πd (P² - πd²/4)/πd Πd/4P² 4P²/πd 4(P² - πd²/4)/πd (P² - πd²/4)/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a horizontal tube evaporator. Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres Liquor flows inside the tube, while the steam is outside submerging the tube 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 Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres Liquor flows inside the tube, while the steam is outside submerging the tube 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 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm. Three fourth Half Equal to One fourth Three fourth Half Equal to One fourth ANSWER DOWNLOAD EXAMIANS APP
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