Mechanical Operations Coal is finally pulverised to 200 mesh size for burning in boilers by a Hammer crusher Ball mill Gyratory crusher Roll crusher Hammer crusher Ball mill Gyratory crusher Roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill Is long in comparison with its diameter Produces finer products All of these Uses smaller balls Is long in comparison with its diameter Produces finer products All of these Uses smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mineral dressing operations is termed as 'comminution'? Panning Spiralling Tabling None of these Panning Spiralling Tabling None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a non-metalliferous mineral? Cassiterrite Fluorspar Quartz Calcite Cassiterrite Fluorspar Quartz Calcite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The inlet pressure in a constant rate filtration Increases continuously None of these Decreases gradually Remains constant Increases continuously None of these Decreases gradually Remains constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Removal of activated carbon from glycerine is done by None of these Plate and frame filter Batch basket centrifuge Rotary vacuum filter None of these Plate and frame filter Batch basket centrifuge Rotary vacuum filter ANSWER DOWNLOAD EXAMIANS APP