The term Biological Oxygen Demand (BOD) is used in relation to ______________________?

Related Mcqs:

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

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

Most efficient and suitable dust removal equipment for removal of fly-ash from flue gas in a thermal power plant is the__________________?

A. Gravity settling chamber B. Cyclone separator C. Electrostatic precipitator D. Bag filter...

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....