Mechanical Operations Run of mine (ROM) coal is crushed by a __________ for use in domestic ovens. Ball mill Hammer crusher Jaw crusher Tube mill Ball mill Hammer crusher Jaw crusher Tube mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Decrease the porosity Increase the compressibility co-efficient Increase the porosity Decrease the compressibility co-efficient Decrease the porosity Increase the compressibility co-efficient Increase the porosity Decrease the compressibility co-efficient ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of baffles in agitators help in minimising the __________ tendency. Both A & B Vortexing Neither A nor B Swirling Both A & B Vortexing Neither A nor B Swirling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is √3 √2 1 0.5 √3 √2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Fluid energy mill Jaw crusher Ball mill Rod mill Fluid energy mill Jaw crusher Ball mill Rod mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Toothed roll crusher Ball mill Tube mill Gyratory crusher Toothed roll crusher Ball mill Tube mill Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP