Mechanical Operations Separation of isotopes is generally done using a/an __________ centrifuge. Neither A nor B Ultra Both A & B Disk-bowl Neither A nor B Ultra Both A & B Disk-bowl ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For laminar flow of filtrate through the cake deposited on septum, which of the following will be valid? Leva None of these Kozney-Karman equation Blake-Plummer equation Leva None of these Kozney-Karman equation Blake-Plummer equation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.007 50 0.3 0.014 0.007 50 0.3 0.014 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 4/D.p 2/D.p 12/D.p 6/D.p 4/D.p 2/D.p 12/D.p 6/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) Independent of ΔP ∝ ΔP ∝ √ΔP ∝ 1/ ΔP Independent of ΔP ∝ ΔP ∝ √ΔP ∝ 1/ ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, both the rolls Run either at the same or different speeds Have the same diameter All of these Are rotated towards each other Run either at the same or different speeds Have the same diameter All of these Are rotated towards each other ANSWER DOWNLOAD EXAMIANS APP
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