Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube. 3.5 1.25 1.75 2.5 3.5 1.25 1.75 2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A certain pressure vessel manufacturer avoids doing reinforcements calculations for openings by always providing a reinforcing pad extending upto double the diameter of the opening and of the same material and thickness as that of the shell wall. If area compensation is accepted as a code guideline, his approach leads to safe design Only if the opening is on spherical vessel Only if the opening is on a vertical cylinderical vessel Only if the opening is on a horizontal cylinderical vessel Irrespective of the shape of the vessel Only if the opening is on spherical vessel Only if the opening is on a vertical cylinderical vessel Only if the opening is on a horizontal cylinderical vessel Irrespective of the shape of the vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a long tube vertical evaporator. Steam is fed to the shell, whereas the liquor is filled inside the tube Tube dia is 3-6 cms, while tube length in 3-6 metres None of these Liquor level is maintained at l/3rd to 1/2 of the height of the tube Steam is fed to the shell, whereas the liquor is filled inside the tube Tube dia is 3-6 cms, while tube length in 3-6 metres None of these Liquor level is maintained at l/3rd to 1/2 of the height of the tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following types of reactors is the safest from operation point of view? A liquid phase catalytic reactor A liquid phase reactor Pot type reactor A vapor phase reactor A liquid phase catalytic reactor A liquid phase reactor Pot type reactor A vapor phase reactor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Both B & C Employs high velocity, high heat transfer rate and less heating surface requirement Is economical in operation Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Both B & C Employs high velocity, high heat transfer rate and less heating surface requirement Is economical in operation Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Speed of industrial paddle agitator ranges from __________ rpm. 20 to 100 1000 to 2000 500 to 750 1 to 5 20 to 100 1000 to 2000 500 to 750 1 to 5 ANSWER DOWNLOAD EXAMIANS APP