Which of the following fine dust removal equipments is the most efficient ?

Related Mcqs:

Workers working in _______________ industry are most prone to white lung cancer?

A. Coal mining B. Limestone mining C. Textile D. Asbestos...

Presence of iron and manganese in water causes___________________?

A. Reduction in its dissolved oxygen content B. Discoloration of bathroom fixtures C. Temporary hardness D. None of these...

The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant ?

A. Chlorine B. Alkalis C. Benzene hexachloride D. Alkyl benzene sulphonate (ABS)...

Foaming and priming in boiler operation can be reduced by reduction in ______________ in feed water?

A. Turbidity B. Color (Hazen) C. Total solids D. All A., B. & C....

Aerobic biological oxidation ponds used for the purification of polluted water__________________?

A. Destroys/removes pathogen from the sewage B. Is not very effective for non-biodegradable substances (e.g. ABS) containing effluents C. Destroys/removes pathogen much more effectively if the sewage is chlorinated D. All A., B. & C....