Mechanical Operations The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is 6.35 kWh/ton 9.0 kWh/ton 25.4 kWh/ton 18 kWh/ton 6.35 kWh/ton 9.0 kWh/ton 25.4 kWh/ton 18 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials of the same density based on their sizes by using then-different rates of flow is called Sizing Elutriation Flocculation Sorting Sizing Elutriation Flocculation Sorting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Specific surface area is the surface area of a unit __________ of materials. Either A or B Neither A nor B Volume Weight Either A or B Neither A nor B Volume Weight ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A screen is said to be blinded, when the Screen capacity is abruptly increased Screen is plugged with solid particles Undersizes are retained in oversize fraction Oversizes are present in undersize fraction Screen capacity is abruptly increased Screen is plugged with solid particles Undersizes are retained in oversize fraction Oversizes are present in undersize fraction ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushers can be considered as a combination of a jaw crusher and a roller crusher? Fluid energy mill Rod mill Ball mill Gyratory crusher Fluid energy mill Rod mill Ball mill Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wheat is ground into flour in a Hammer crusher Fluid energy mill Impact mill Roller crusher Hammer crusher Fluid energy mill Impact mill Roller crusher ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS