Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Complicates handling of the product Requires more energy Gives less wear on chamber walls Increases capacity Complicates handling of the product Requires more energy Gives less wear on chamber walls Increases capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 74 mili-microns 0.0074 cm 0.0047 cm 0.0074 mm 74 mili-microns 0.0074 cm 0.0047 cm 0.0074 mm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation? Crush shaft Toggles Jaw plates Check plates Crush shaft Toggles Jaw plates Check plates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is 0.1 to 0.3 0.2 to 0.8 0.2 to 0.4 0.01 to 0.1 0.1 to 0.3 0.2 to 0.8 0.2 to 0.4 0.01 to 0.1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the capacity of screens, the screen effectiveness Increases Remains unchanged Decreases exponentially Decreases Increases Remains unchanged Decreases exponentially Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Volatile matter content Density separation Size Differential wettability Volatile matter content Density separation Size Differential wettability ANSWER DOWNLOAD EXAMIANS APP
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