Which is the most efficient dust removal equipment for removal of submicronic dust particles from blast furnace gas ?

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Noise pollution level in a chemical plant is expressed in __________________?

A. Roentgen B. Decibel C. Hertz D. None of these...

Pick out the wrong statement pertaining to ‘green house’ for the plants ?

A. ‘Green house’ (made of glass) allows visible sunlight (i.e., short wavelength solar radiation like ultra-violet rays) to pass through the glass and heat up the soil thereby warming up plants inside it B. The emitted longer wavelength radiation (e.g., infrared) is partly reflected and partly absorbed by the glass of the green house C. … Pick out the wrong statement pertaining to ‘green house’ for the plants ?Read More...

Presence of bacteria in potable (drinking) water causes_________________?

A. Turbidity B. Disease C. Bad odour D. Bad taste & colour...

Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by_________________?

A. Quenching of hot coke B. Discharging in the river stream C. Filtration and recycling for cooling coke oven gas D. None of these...

Bag filter design is predominantly dependent on gas temperature, as it affects the gas density & viscosity and the selection of filtering material. The pressure drop in a bag filter is__________________?

A. Inversely proportional to viscosity of gas B. Proportional to the viscosity & density of the gas C. Proportional to the pressure of the gas D. Both B. and C....