A. Shape
B. Outside diameter
C. Height
D. All A, B. & C.
Related Mcqs:
- Wind load consideration in the design of a support can be neglected, when the vessel is___________________?
A. Tall (say 30 metres), but is full of liquid
B. Tall but empty
C. Short (< 2 m) and housed indoor
D. None of these - 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 - For a cylindrical vessel of moderate height, the weld joint efficiency for joints parallel to the cylindrical axis is given as 1.0; while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylindrical vessel, what value of weld joint efficiency should be used ?
A. 0.8
B. 0.9
C. 1.0
D. (0.8)0.5 - Power required for agitation depends upon the______________________?
A. Height & properties of the liquid
B. Agitator type & speed of agitation
C. Size of agitator & the tank
D. All A., B. and C. - 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_______________?
A. Flow rates of each fluid
B. Type and size of packing
C. Concentration of each fluid
D. All A, B. & C. - The value of fouling factor depends upon the__________________?
A. Characteristic of process fluid
B. Velocity of process fluid containing suspended solids
C. Suspended solids in the fluid
D. All A., B. and C. - The retention time of material in a rotary dryer depends upon its ______________________?
A. rpm
B. Slope & length
C. Flights arrangement
D. All A., B. and C. - In case of a ‘thin’ pressure vessel, the ratio of its diameter to wall thickness is_________________?
A. < 10
B. > 10
C. > 20
D. 30 - The necessary wall thickness for a metallic storage vessel is a function of the ___________________?
A. Ultimate tensile strength (or yield point) of the material and operating temperature
B. Operating pressure and welding/joint efficiency
C. Diameter of the vessel
D. All A., B. and C. - For a cylindrical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness ?
A. Hemispherical
B. Ellipsoidal (2 : 1)
C. Conical
D. Flat plate
