A. Dust catcher (gravity type)
B. Cyclone separator
C. Bag filter
D. Hollow wet scrubber
Related Mcqs:
- 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 fine dust removal equipments is the most efficient ?
A. Bag filter
B. Scrubber
C. Electrostatic precipitator
D. Cyclone separator - Dust collection efficiency of a cyclone separator depends upon its______________?
A. Diameter
B. Inlet gas velocity
C. Overall height
D. All A., B. & C. - . 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 - 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 - Joule-Thomson co-efficient which is defined as, η = (∂T/∂P)H = 1/Cp (∂H/∂T)P, changes sign at a temperature known as inversion temperature. The value of Joule-Thomson co-efficient at inversion temperature is ___________________?
A. 0
B. ∞
C. +ve
D. -ve - Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ______________ with the increase of reduced temperature?
A. Decreases
B. Increases
C. Remains constant
D. Decreases logarithmically - Silicon percentage in silicon steel used for electrical equipments is about______________?
A. 1
B. 4.0
C. 8
D. 14 - Silicon percentage in the silicon steel used for electrical appliances/equipments is_________________?
A. 0.3-0.4
B. 12-14
C. 3-4
D. 20-25 - 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.
