Mechanical Operations Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ). √μ 1/μ 1/√μ 1/μ² √μ 1/μ 1/√μ 1/μ² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of grinding aids results in the Finer products Both A & B Enhanced production rate Neither A nor B Finer products Both A & B Enhanced production rate Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of __________ is accomplished in steam heated rollers and roll crushers. Resins Waxes Gums Hard rubber Resins Waxes Gums Hard rubber ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Cast iron Lead Forged/cast steel Alloy steel Cast iron Lead Forged/cast steel Alloy steel 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 Flint or porcelain Bronze Concrete Stainless steel Flint or porcelain Bronze Concrete Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Density separation Differential wettability Volatile matter content Size Density separation Differential wettability Volatile matter content Size ANSWER DOWNLOAD EXAMIANS APP