Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 1.33-1.45 0.33-0.45 1.5-2.5 0.5-2 1.33-1.45 0.33-0.45 1.5-2.5 0.5-2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill All of these Uses smaller balls 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 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A screen is said to be blinded, when the Undersizes are retained in oversize fraction Oversizes are present in undersize fraction Screen capacity is abruptly increased Screen is plugged with solid particles Undersizes are retained in oversize fraction Oversizes are present in undersize fraction Screen capacity is abruptly increased Screen is plugged with solid particles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following terminology is not used for size reduction of materials to fine sizes or powders? Pulverisation Comminution Compression Dispersion Pulverisation Comminution Compression Dispersion ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the Heavy tonnages of rocks or gravel Light metal powder down upto 4 meshsize Dry chemicals Powdered food & granular materials Heavy tonnages of rocks or gravel Light metal powder down upto 4 meshsize Dry chemicals Powdered food & granular materials ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gizzlies are used for separating __________ solids. Any size None of these Fine Coarse Any size None of these Fine Coarse ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS