Process Equipment and Plant Design In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area. 2.5 to 4.0 10 to 15 0.5 to 1.5 5 to 10 2.5 to 4.0 10 to 15 0.5 to 1.5 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling. SO₂ None of these NH₃ CO₂ SO₂ None of these NH₃ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers? Equal to tube I.D 6.5 mm 6.5 cms Equal to tube O.D Equal to tube I.D 6.5 mm 6.5 cms Equal to tube O.D ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will Decrease Increase or decrease depending on the nature of the dust Increase Remain unaffected Decrease Increase or decrease depending on the nature of the dust Increase Remain unaffected 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 Irrespective of the shape of the vessel Only if the opening is on a vertical cylinderical vessel Only if the opening is on a horizontal cylinderical vessel Only if the opening is on spherical vessel Irrespective of the shape of the vessel Only if the opening is on a vertical cylinderical vessel Only if the opening is on a horizontal cylinderical vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of shear stress to shear strain is called Modulus of elasticity Shear modulus Bulk modulus Modulus of rigidity Modulus of elasticity Shear modulus Bulk modulus Modulus of rigidity ANSWER DOWNLOAD EXAMIANS APP
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