Mechanical Operations According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively). (S/V)²p (S/V)f (S/V)p √(S/V)p (S/V)²p (S/V)f (S/V)p √(S/V)p 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 Dry chemicals Heavy tonnages of rocks or gravel Light metal powder down upto 4 meshsize Powdered food & granular materials Dry chemicals Heavy tonnages of rocks or gravel Light metal powder down upto 4 meshsize Powdered food & granular materials ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant __________ filtration. Rate Pressure Both A & B Neither A nor B Rate Pressure Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Carbon black is pulverised in a Gyratory crusher Roll crusher Hammer crusher Ball mill Gyratory crusher Roll crusher Hammer crusher Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As per Taggart's formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms ) 93 LS 250 LS √LS LS 93 LS 250 LS √LS LS ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The speed of a rotary drum vacuum filter may be about __________ rpm. 100 50 1 500 100 50 1 500 ANSWER DOWNLOAD EXAMIANS APP
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