Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Concentration of rubber latex Separation of cream from milk Dewaxing of lubricating oil Separation of isotopes based on their density or molecular weights difference Concentration of rubber latex Separation of cream from milk Dewaxing of lubricating oil Separation of isotopes based on their density or molecular weights difference ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing. Fine Ultrafine Secondary Primary Fine Ultrafine Secondary Primary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A compressible cake has the Maximum porosity at the filter medium Same porosity throughout the cake thickness None of these Maximum porosity at the upstream side Maximum porosity at the filter medium Same porosity throughout the cake thickness None of these Maximum porosity at the upstream side ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A filter press is Having prohibitively high maintenance cost Not suitable, if the liquid is the main product Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure A batch filter Having prohibitively high maintenance cost Not suitable, if the liquid is the main product Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure A batch filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A pebble mill Employs flints or ceramic pebbles as the grinding medium Is a tube mill lined with ceramic or other non-metallic liner Both B and C Is a ball mill Employs flints or ceramic pebbles as the grinding medium Is a tube mill lined with ceramic or other non-metallic liner Both B and C Is a ball mill ANSWER DOWNLOAD EXAMIANS APP
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