Related Questions

In case of saddle packing (e.g., berl and intralox saddles), the maximum size of the packing should not exceed __________ of the column diameter.
A $${\frac{1}{5}^{{\text{th}}}}$$
B $${\frac{1}{{15}}^{{\text{th}}}}$$
C $${\frac{1}{{30}}^{{\text{th}}}}$$
D $${\frac{1}{{50}}^{{\text{th}}}}$$
Stacked packing compared to dumped packing
A Provides poorer contact between the fluids
B Gives lower pressure drop
C Both A & B
D Gives higher pressure drop
In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing.
A Greater than
B Smaller than
C Equal to
D Either A, or B ; depends on the type of packing
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 is the costliest material of construction used in pressure vessel construction?
A Low alloy steel
B Lead
C Titanium
D High alloy steel
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
Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?
A Slag cement
B Glasses
C Porcelain/Potteries
D Teflon
Ceramic materials are
A Organic in nature
B Stronger in compression than in tension
C Always amorphous in nature
D Always bad heat conductors

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