Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Concentration of rubber latex Dewaxing of lubricating oil Separation of cream from milk Separation of isotopes based on their density or molecular weights difference Concentration of rubber latex Dewaxing of lubricating oil Separation of cream from milk 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. Primary Fine Secondary Ultrafine Primary Fine Secondary Ultrafine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A compressible cake has the 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 Maximum porosity at the filter medium Same porosity throughout the cake thickness ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A filter press is Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure Having prohibitively high maintenance cost Not suitable, if the liquid is the main product A batch filter Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure Having prohibitively high maintenance cost Not suitable, if the liquid is the main product A batch filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A pebble mill Is a ball mill Employs flints or ceramic pebbles as the grinding medium Both B and C Is a tube mill lined with ceramic or other non-metallic liner Is a ball mill Employs flints or ceramic pebbles as the grinding medium Both B and C Is a tube mill lined with ceramic or other non-metallic liner ANSWER DOWNLOAD EXAMIANS APP