Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or ______________ times the column diameter, whichever is lower?

Process Equipment and Plant Design 30/01/2024

A. 2.5-3.0
B. 5-7.5
C. 10-12.5
D. 15-20

Related Mcqs:

    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?
    A. 1 to 5 B. 10 to 20 C. 30 to 40 D. 40 to 50...
    (Le/D) for a Tee (used as elbow, entering run) would be around _______________________?
    A. 5 B. 60 C. 160 D. 200...
    Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, ζ = yield strength and E = modulus of elasticity) ?
    A. E B. ζ C. ζ/E D. E/ζ...
    A cylindrical 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 125N/mm2 and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to________________?
    A. 5 mm B. 6 mm C. 8 mm D. 10 mm...
    The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is_________________?
    A. < 30 B. < 7 C. > 7 20 < 50...

Leave a Reply

Your email address will not be published. Required fields are marked *