Mechanical Operations Energy consumption in a crusher decreases with increase in the Capacity of the crushing machine Size of the product (at constant feed size) Size of feed (at constant reduction ratio) All of these Capacity of the crushing machine Size of the product (at constant feed size) Size of feed (at constant reduction ratio) All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following minerals is not subjected to magnetic separation method? Siderite Galena Rutile Chromite Siderite Galena Rutile Chromite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction mechanism used in Jaw crushers is Cutting Impact Compression Attrition Cutting Impact Compression Attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 1.5-2.5 0.33-0.45 1.33-1.45 0.5-2 1.5-2.5 0.33-0.45 1.33-1.45 0.5-2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Can't be used for separation of fine suspended solids from a liquid Can not be operated under pressure/vacuum Operate at higher speed Employ bowl of larger diameter Can't be used for separation of fine suspended solids from a liquid Can not be operated under pressure/vacuum Operate at higher speed Employ bowl of larger diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the __________ crushing. Primary Fine Ultrafine Secondary Primary Fine Ultrafine Secondary ANSWER DOWNLOAD EXAMIANS APP
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