Mechanical Operations As per Taggart's formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms ) 250 LS LS 93 LS √LS 250 LS LS 93 LS √LS ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of grinding aids results in the Finer products Enhanced production rate Both A & B Neither A nor B Finer products Enhanced production rate Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The work index in Bond's law for crushing of solids has the following dimensions KW/ton KWh.m1/2/ton No units (dimensionless) KWh/ton KW/ton KWh.m1/2/ton No units (dimensionless) KWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a Crushing rolls Hammer mill Buhrstone mill Ball mill Crushing rolls Hammer mill Buhrstone mill Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations All resistances during washing of cake Decreases Remain constant Increases None of these Decreases Remain constant Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is doubled Linear speed of the basket is halved Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is doubled Linear speed of the basket is halved ANSWER DOWNLOAD EXAMIANS APP