Mechanical Operations Size reduction of asbestos and mica is done by Crushing rolls Hammer mills Gyratory crushers Rod mills Crushing rolls Hammer mills Gyratory crushers Rod mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not accomplished by agitation of liquids in agitators? Dispersing immiscible liquid in form of emulsion Blending of immiscible liquids Suspending solid particles Dispersing gas in liquid Dispersing immiscible liquid in form of emulsion Blending of immiscible liquids Suspending solid particles Dispersing gas in liquid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a wet classifier? None of these Dorr Oliver rake classifier Hydrocyclones Sharpies supercentrifuge None of these Dorr Oliver rake classifier Hydrocyclones Sharpies supercentrifuge ANSWER DOWNLOAD EXAMIANS APP
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 ). 1/μ 1/μ² 1/√μ √μ 1/μ 1/μ² 1/√μ √μ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased None of these Screening becomes progressively easier Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased None of these Screening becomes progressively easier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In screen analysis, the notation +5 mm/-10 mm means particles passing through 10 mm screen and retained on 5 mm screen Neither 5 mm nor 10 mm screen 5 mm screen and retained on 10 mm screen Both 5 mm and 10 mm screens 10 mm screen and retained on 5 mm screen Neither 5 mm nor 10 mm screen 5 mm screen and retained on 10 mm screen Both 5 mm and 10 mm screens ANSWER DOWNLOAD EXAMIANS APP