For a given fluid, as the pipe diameter increases, the pumping cost

A cylinderical pressure vessel of volume 6 πm3 has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125 N/mm2 and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to

The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called

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.

Heat transfer co-efficient, hG(Kcal/hr.m2.°C) and mass velocity of air, G (kg/hr.m2) for air flow parallel to the surface in case of constant drying rate in batch drying is related as hG = 0.0176 G0.8. But when the flow of air perpendicular to the surface is encountered, this equation changes to

In a multipass shell and tube heat exchanger, the problem of differential expansion between the shell and tube passes is taken care of by using a

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