A. Lug
B. Skirt
C. Saddle
D. Guy wire
Related Mcqs:
- 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 - Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is____________?
A. More
B. Less
C. Same
D. More or less depending upon the pressure & temperature inside the vessel and the nature of
the fluid contained therein - ____________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.)?
A. Hemispherical
B. Dished
C. Ellipsoidal
D. Conical - The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about ______________ times the design pressure?
A. 1.5 to 2
B. 3 to 4
C. 4 to 5
D. > 5 - ______________ closure is the weakest enclosure for cylindrical vessels?
A. Hemispherical
B. Torispherical
C. Conical or flat plate
D. Elliptical - Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder _________________?
A. Has greater structural strength
B. Is easy to fabricate
C. Both A. and B.
D. Neither A. nor B. - 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 - A cylindrical storage tank can have a self supported conical roof ?
A. If its diameter is less than 15-20metres
B. If its diameter is more than 50 meters
C. If the thickness of the roof is more than that of the cylindrical shell
D. Irrespective of its diameter - Vertical vessels are not supported by____________________?
A. Brackets
B. Skirts
C. Columns
D. Saddles - 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
