Mechanical Operations The study on washability of coal is done by using the __________ technique. Elutriation Heavy media separation Tabling None of these Elutriation Heavy media separation Tabling None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 0.0074 cm 0.0047 cm 0.0074 mm 74 mili-microns 0.0074 cm 0.0047 cm 0.0074 mm 74 mili-microns ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) Vp/m . ρ M . ρ/Vp M . Vp/ρ M/ρ . Vp Vp/m . ρ M . ρ/Vp M . Vp/ρ M/ρ . Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Basic slag is not ground in Jaw crushers Tube mills Compartment mills Ball mills Jaw crushers Tube mills Compartment mills Ball mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Clarification Thickening Froth floatation Classification Clarification Thickening Froth floatation Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). Df - Dp None of these Df/Dp Dp/Df Df - Dp None of these Df/Dp Dp/Df ANSWER DOWNLOAD EXAMIANS APP
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