Mechanical Operations Sphericity of raschig ring (whose length and diameter are equal) is >1 2 1 >1 2 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For efficient grinding, ball mills must be operated With minimum possible small balls At a speed more than the critical speed At a speed equal to the critical speed At a speed less than the critical speed With minimum possible small balls At a speed more than the critical speed At a speed equal to the critical speed At a speed less than the critical speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations increasing the capacity of a screen __________ the screen effectiveness. None of these Does not effect Decreases Increases None of these Does not effect Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A filter press is 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 Having prohibitively high maintenance cost A batch filter 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 Having prohibitively high maintenance cost A batch filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Fine Ultrafine Primary Secondary Fine Ultrafine Primary Secondary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Increase the porosity Increase the compressibility co-efficient Decrease the porosity Decrease the compressibility co-efficient Increase the porosity Increase the compressibility co-efficient Decrease the porosity Decrease the compressibility co-efficient ANSWER DOWNLOAD EXAMIANS APP
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