Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np → constant Np ∝ 1/NRe Np ∝ √NRe Np ∝ NRe Np → constant Np ∝ 1/NRe Np ∝ √NRe Np ∝ NRe ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The distribution given by microscopic analysis of powder is Number Volume Area Length Number Volume Area Length ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of Stainless steel Bronze Concrete Flint or porcelain Stainless steel Bronze Concrete Flint or porcelain 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 0.00184 1.84 0.184 0.0184 0.00184 1.84 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following size reduction equipments employs mainly attrition for ultrafine grinding? Micronizer Jet mills All of these Fluid energy mill Micronizer Jet mills All of these Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Cobalt oxide Calcium oxide Titanium oxide Manganese oxide Cobalt oxide Calcium oxide Titanium oxide Manganese oxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS