Mechanical Operations Crushing efficiency is the ratio of the Surface energy created by crushing to the energy absorbed by the solid Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Surface energy created by crushing to the energy absorbed by the solid Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size measurement of ultrafine particles can be best expressed in terms of Surface area per unit mass Micron Centimetre Screen size Surface area per unit mass Micron Centimetre Screen size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following minerals is not subjected to magnetic separation method? Siderite Chromite Rutile Galena Siderite Chromite Rutile Galena ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction mechanism used in Jaw crushers is Impact Cutting Attrition Compression Impact Cutting Attrition Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Jaw crusher Fluid energy mill Rod mill Ball mill Jaw crusher Fluid energy mill Rod mill Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A screen is said to be blinded, when the Screen is plugged with solid particles Oversizes are present in undersize fraction Screen capacity is abruptly increased Undersizes are retained in oversize fraction Screen is plugged with solid particles Oversizes are present in undersize fraction Screen capacity is abruptly increased Undersizes are retained in oversize fraction ANSWER DOWNLOAD EXAMIANS APP
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