Diatomaceous earth is a/an_________________?
Diatomaceous earth is a/an_________________?
A. Explosive
B. Filter aid
C. Filter medium
D. Catalyst
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Width and speed of a conveyor belt depends upon the ______________ of the material?
Width and speed of a conveyor belt depends upon the ______________ of the material?A. Lump size
B. Bulk density
C. Both A. & B.
D. Neither A. nor B.In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the__________________?
In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the__________________?A. Square root of the velocity
B. Square of the viscosity
C. Filtration time only
D. Washing time onlyAbout 2-3 hp, power per gallon of a thin liquid provides vigorous agitation in an agitator. ‘Power number’ in agitation is given by __________________?
About 2-3 hp, power per gallon of a thin liquid provides vigorous agitation in an agitator. ‘Power number’ in agitation is given by __________________?A. P. gc/n3. D2. ρ
B. P. gc. ρ/μ2
C. n3. D3. ρ/P. gc
D. P. gc/n2. D2. ρA sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is_________________?
A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is_________________?A. 0.50
B. 0.58
C. 0.68
D. 0.62Energy consumed for crushing one ton of material ranges from ______________ kWh?
Energy consumed for crushing one ton of material ranges from ______________ kWh?A. 0.01 to 0.1
B. 0.5 to 1.5
C. 2 to 3.5
D. 4 to 5Mixing of light fine powder such as insecticides is done by____________________?
Mixing of light fine powder such as insecticides is done by____________________?A. Banbury mixer
B. Pug mill
C. Impact wheels
D. Kneader