Process Equipment and Plant Design Pick out the wrong statement pertaining to a shell and tube heat exchanger. The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these The maximum value of baffle spacing is equal to the I.D. of the shell Disk and doughnut baffle is the most commonly used baffle The minimum value of baffle spacing is 50 mm The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these The maximum value of baffle spacing is equal to the I.D. of the shell Disk and doughnut baffle is the most commonly used baffle The minimum value of baffle spacing is 50 mm 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. Lower Higher Same Unpredictable Lower Higher Same Unpredictable 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 a horizontal cylinderical vessel Only if the opening is on a vertical cylinderical vessel Only if the opening is on spherical vessel Irrespective of the shape of the vessel Only if the opening is on a horizontal cylinderical vessel Only if the opening is on a vertical cylinderical vessel Only if the opening is on spherical vessel Irrespective of the shape of the vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the design of a shell and tube heat exchanger, the corrosion allowance All of these For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc For internal cover and tube sheet is provided on both the sides All of these For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc For internal cover and tube sheet is provided on both the sides ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm. 27 26 23 25 27 26 23 25 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid) 4 A/P A/P √A 4 P/A 4 A/P A/P √A 4 P/A ANSWER DOWNLOAD EXAMIANS APP
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