Q. Which of the following is involved in production of carboxy haemoglobin?

View solution

Q. Which of the following is a liquid form of aerosol?

View solution

Q. X ray films are a source of which of the following gas?

View solution

Q. The maximum size of fly ash is ___________

View solution

Q. Which of the following leads to a disease called broncho spasm?

View solution

Q. The minimum size of the smoke particle is ___________

View solution

Q. Which of the following is a secondary air pollutant?

View solution

Q. The permissible concentration of PM 10 in the air is ___________

View solution

Q. Which of the following is not a part of photochemical smog?

View solution

Q. Which air pollutant cause corrosion of building?

View solution

Q. Which of the following air pollutant effects plants the most?

View solution

Q. The size of cigarette particles is ______________

View solution

Q. Concentration of fluorine that cause a phototoxicological effect on the plant is ___________

View solution

Q. Which of the following gas is not colorless?

View solution

Q. The effective height of stack is given by ___________

View solution

Q. The chimney is emitting particulate matter. Which of the following is the correct expression of the height of the chimney? Here ‘Kₚ’ represents the emission of particulate matter.

View solution

Q. What is the minimum height of the chimney in a thermal power plant of capacity 350MW?

View solution

Q. Which of the following is the correct expression of the height of chimney emitting sulfur dioxide?

View solution

Q. Coning plume occurs under which conditions?

View solution

Q. In which of the following plumes, stable condition prevails?

View solution