__________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction.
A. Packed
B. Bubble
C. Spray
D. Tray
Answer: Option C
A. Packed
B. Bubble
C. Spray
D. Tray
Answer: Option C
Which of the following will resist maxi-mum shock & vibration without cracking?
A. Grey cast iron
B. White cast iron
C. Malleable iron
D. Graphite
A. Pulverised fuel
B. Travelling grate stoker firing
C. Circulating fluidised bed
D. Fluidised bed
Isotropic materials have the same __________ in all directions.
A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties
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