Mechanical Operations A tube mill as compared to a ball mill Has larger length/diameter ratio (>2 as compared to 1 for ball mill) All of these Gives finer size reduction but consumes more power Employs smaller balls Has larger length/diameter ratio (>2 as compared to 1 for ball mill) All of these Gives finer size reduction but consumes more power Employs smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A gravity decanter is meant for the separation of two __________ density. Immiscible liquids of different Miscible liquids of same Miscible liquids of different Immiscible liquids of same Immiscible liquids of different Miscible liquids of same Miscible liquids of different Immiscible liquids of same 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. Ultrafine Secondary Fine Primary Ultrafine Secondary Fine Primary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Compressibility co-efficient for an absolutely compressible cake is ∞ 0 to 1 1 ∞ 0 to 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as filter aid? Asbestos Diatomaceous earth Rice husk Purified wood cellulose Asbestos Diatomaceous earth Rice husk Purified wood cellulose ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pine oil used in froth floatation technique acts as a/an Collector Activator Modifier Frother Collector Activator Modifier Frother ANSWER DOWNLOAD EXAMIANS APP