Mechanical Operations The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond's law, Rittinger's law and Kick's law) depend upon the Type of crushing machine Feed material Neither A nor B Both A & B Type of crushing machine Feed material Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a cyclone of diameter 0.2 m with a tangential velocity of 15 m/s at the wall, the separation factor is 1125 230 2250 460 1125 230 2250 460 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filtrate flow rate in constant pressure filtration May increase or decrease ; depends on the pressure Remains constant throughout Continuously decreases Continuously increases May increase or decrease ; depends on the pressure Remains constant throughout Continuously decreases Continuously increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Maximum feed size determines the required roll diameter Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 Both the rolls run necessarily at the same speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of raschig ring (whose length and diameter are equal) is >1 2 1 >1 2 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Out of the following size reduction equipments, the maximum feed size can be accepted by the Tube mill Jaw crusher Ball mill Jet pulveriser Tube mill Jaw crusher Ball mill Jet pulveriser ANSWER DOWNLOAD EXAMIANS APP
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