Which of the following dust collection equipments is the least efficient (for sub-micronic particles) ?

Related Mcqs:

Black smoke coming out of the chimney of a furnace is an indication of the use of ______________ in the furnace?

A. Low amount of excess combustion air B. Large quantity of excess combustion air C. Hydrocarbon fuel D. Pulverised coal as fuel...

Carbonaceous particles having size less than 1 μm are called___________________?

A. Grit B. Aggregates C. Aerosols D. Smoke...

. Operating principle of cyclone separator is based on the action of _______________ dust particles?

A. Diffusion of B. Centrifugal force on C. Gravitational force on D. Electrostatic force on...

_____________ plant emits large amount of SO2 as an air pollutant?

A. Nitric acid B. Sulphuric acid C. Chlor alkali D. Iron & steel...

TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes_________________?

A. Skin disorder B. Bronchitis C. Bone disease D. Cancer...