Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Ball mill Gyratory crusher Toothed roll crusher Tube mill Ball mill Gyratory crusher Toothed roll crusher Tube mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations At low Reynold's number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5 : Power number Re = ρ N D2/μ: Reynold's number N is the impeller rotational speed, and D is the impeller diameter. Po ∝ Re0.0 Po ∝ Re0.5 Po ∝ Re1.0 Po ∝ Re-1.0 Po ∝ Re0.0 Po ∝ Re0.5 Po ∝ Re1.0 Po ∝ Re-1.0 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In bag filters, filter fabrics are never made of Nylon fibres Polyester fibres Metallic wire woven mesh Cotton fibres Nylon fibres Polyester fibres Metallic wire woven mesh Cotton fibres ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Increase the compressibility co-efficient Decrease the compressibility co-efficient Decrease the porosity Increase the porosity Increase the compressibility co-efficient Decrease the compressibility co-efficient Decrease the porosity Increase the porosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about 2 to 5° 10 to 15° 1 to 2° 5 to 10° 2 to 5° 10 to 15° 1 to 2° 5 to 10° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Taggart's rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than 0.184 0.0184 1.84 0.00184 0.184 0.0184 1.84 0.00184 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS