Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Separation of cream from milk Concentration of rubber latex Dewaxing of lubricating oil Separation of isotopes based on their density or molecular weights difference Separation of cream from milk Concentration of rubber latex 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. Secondary Fine Ultrafine Primary Secondary Fine Ultrafine Primary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A compressible cake has the Maximum porosity at the filter medium Same porosity throughout the cake thickness Maximum porosity at the upstream side None of these Maximum porosity at the filter medium Same porosity throughout the cake thickness Maximum porosity at the upstream side None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A filter press is 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 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 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A pebble mill 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 Employs flints or ceramic pebbles as the grinding medium Is a tube mill lined with ceramic or other non-metallic liner ANSWER DOWNLOAD EXAMIANS APP
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