IPE Final term Long Exam

What is called for the pollution that can be traced directly to industrial activity?

• Soil pollution

• Water pollution

• Air pollution

• Industrial pollution

Which of the following are the primary causes of water pollution?

• Plants

• Animals

• Human activities

• None of these

Which of the following techniques is used for reducing the total dissolved solids (TDS) in the water?

• Osmosis

• Ion exchange

• Distillation

• Both b and c

Which of the following statements are true about CNG -Compressed natural gas?

• It is a clean fuel

• It is a harmful fuel

• It is a polluting fuel

• All of the above

Which of the following is mainly responsible for the causes of water pollution?

• Afforestation

• Oil refineries

• Paper factories

• Both b and c

Which of the following techniques is used to determine the concentration of odor compounds in the given water sample?

• Settling

• Flushing

• Chlorination

• Stripping

What is the most abundant greenhouse gas in the atmosphere?

• Methane

• Nitrogen dioxide

• Sulfur dioxide

• Carbon dioxide

The main pollutant present in wastewater from cooling is ___________.

• TDS

• Acidity

• BOD

• Waste Heat

____________ indicates physical characteristics of industrial wastewater

• Color

• Solids

• Temperature

• All of these

__________ indicates chemical characteristics of industrial wastewater

• pH

• BOD

• COD

• All of these