Related Questions

Which of the following material is seldom used for pressure vessel construction?
A Rimmed still
B Mild steel
C Killed steel
D Semi-killed steel
Which of the following sentence most closely resembles to : "Paris is one of the costliest cities in the world"
A Paris is not as costly as most other cities in the world.
B Paris is costlier than any other city in the world.
C Paris is costlier than most other cities in the world.
D No other city in the world is as costly as Paris .
Which of the following is the costliest source of getting hydrogen on commercial scale for the manufacture of nitrogeneous fertiliser?
A Coal gasification
B Steam reforming of naphtha
C Alectrolysis of water
D Coke oven gas
Which of the following ceramic packing materials is the costliest of all?
A Berl saddles
B Raschig rings
C Pall rings
D Intalox saddles
Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition?
A Electrolysis of water
B Cryogenic removal of H2 from coke oven gas
C Steam reforming of naphtha
D Natural gas cracking
Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis?
A H2 separation from coke oven gas
B Steam reforming of naphtha
C Cracking of natural gas
D Electrolysis of water
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as
A Steady flow
B Turbulent flow
C Vortex flow
D Uniform flow
Two glasses of equal volume respectively are half and three - fourths filled with milk. They are then filled to brim by adding water. Their contents are then poured into another vessel. What will be the ratio of milk to water in this vessel ?
A 1 : 3
B 2 : 3
C 3 : 2
D 5 : 3
For a cylinderical 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
Poisson's ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson's ratio for structural and pressure vessel steel may be taken as
A 0.01
B 0.3
C 0.75
D 0.95

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