Mechanical Operations The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond's law, Rittinger's law and Kick's law) depend upon the Feed material Type of crushing machine Both A & B Neither A nor B Feed material Type of crushing machine Both A & B Neither A nor B 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 Elutriation Sorting Flocculation Sizing Elutriation Sorting Flocculation Sizing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.62 0.5 0.58 0.68 0.62 0.5 0.58 0.68 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. Constant pressure Varying pressure Constant rate Varying rate Constant pressure Varying pressure Constant rate Varying rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The porosity of a compressible cake is Maximum at the filter medium Minimum at the upstream face Same throughout the thickness of cake Minimum at the filter medium Maximum at the filter medium Minimum at the upstream face Same throughout the thickness of cake Minimum at the filter medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A straight line is obtained on plotting reciprocal of filtration rate vs. the volume of filtrate for __________ flow of filtrate. Incompressible cake and turbulent Compressible cakes and laminar Incompressible cake and laminar Compressible cake and turbulent Incompressible cake and turbulent Compressible cakes and laminar Incompressible cake and laminar Compressible cake and turbulent ANSWER DOWNLOAD EXAMIANS APP
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