A. Diameter
B. Inlet gas velocity
C. Overall height
D. All A., B. & C.
Related Mcqs:
- . 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 - Which is the most efficient dust removal equipment for removal of submicronic dust particles from blast furnace gas ?
A. Packed scrubber
B. Gravity settling chamber
C. Electrostatic precipitator
D. Hydrocyclone - Which of the following dust collection equipments is the least efficient (for sub-micronic particles) ?
A. Dust catcher (gravity type)
B. Cyclone separator
C. Bag filter
D. Hollow wet scrubber - The concentration of water vapour in troposphere, which depends upon the altitude & temperature, varies in the range of zero to ______________ percent?
A. 1
B. 4
C. 8
D. 12 - Which of the following fine dust removal equipments is the most efficient ?
A. Bag filter
B. Scrubber
C. Electrostatic precipitator
D. Cyclone separator - 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 - Inhalation of silica dust causes a disease called__________________?
A. Bronchitis
B. Silicosis
C. Pneumoconiosis
D. None of these - Siderosis is a disease caused by the inhalation of ______________ dust?
A. Coal
B. Silica
C. Iron
D. None of these - ‘Pneumoconiosis’ is a disease caused by the inhalation of ______________ dust?
A. Coal
B. Uranium ore
C. Iron ore
D. Lime - Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundries causes___________________?
A. Asphyxiation (suffocation)
B. Shortness of breath
C. Tuberculosis
D. All A., B. and C.
