|
MCQs: 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 = 0.0176G0.8. But when the flow of air perpendicular to the surface is encountered, this equation changes to ____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: Height equivalent to a theoretical plate (HETP) is the height of packing that will give the same separation as one theoretical plate in gas-liquid mass transfer operations like distillation, absorption/stripping and humidification/dehumidification. HETP which is experimentally determined, depends upon the_______________?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: Liquid gradient over the tray results due to the___________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from__________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: The slope of the feed line in distillation operation is given by (where, q = fraction of the feed stream that is liquid ?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: ____________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.)?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about ______________ times the design pressure?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: Which of the following factors affect the pressure drop in a co-current gas-liquid absorption packed tower ?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: Which of the following packing materials provides for maximum mass transfer ?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: The absorption factor is defined as (where, S1 = slope of the equilibrium curve, S2 = slope of the operating line) ?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: In a shell and tube heat exchanger, tube side _______________ of the mass velocity?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: In sieve 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?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: “A claming section” before the liquid flows into the downcomer is provided to__________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder _________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: Apex angle of conical heads used in the bottom heads of chemical process equipments is usually__________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: Length to diameter ratio of most rotary driers is in the range of____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: For identical situation, condensing film coefficient in case of a horizontal condenser is almost ______________ the value expected in case of vertical condenser?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is_________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
|
MCQs: Cooling water fouling factors vary in the range of 0.001 to 0.003____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
|
