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. CO₂ SO₂ None of these NH₃ CO₂ SO₂ None of these NH₃ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle? Flat plate extending across the wall Helical type baffle Disk type baffle Segmental baffle Flat plate extending across the wall Helical type baffle Disk type baffle Segmental baffle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8"). Half 1.5 times Three fourth Equal to Half 1.5 times Three fourth Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness. 30 to 40 1 to 5 10 to 20 40 to 50 30 to 40 1 to 5 10 to 20 40 to 50 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for fully open gate valves would be Around 7 Much less (say 2% than that for fully open globe valves) Both B and C Much more than that for fully open globe valves Around 7 Much less (say 2% than that for fully open globe valves) Both B and C Much more than that for fully open globe valves ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Accidents in chemical plants are mostly due to Faulty operating procedures Improper layout of the equipments Failure of equipments Inadequate equipment design Faulty operating procedures Improper layout of the equipments Failure of equipments Inadequate equipment design ANSWER DOWNLOAD EXAMIANS APP