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)p (S/V)f (S/V)²p (S/V)p √(S/V)p (S/V)f (S/V)²p (S/V)p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Feed size of ≥ 25 cms can be accepted by Ball mill Jaw crusher Rod mill Fluid energy mill Ball mill Jaw crusher Rod mill Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following minerals is not subjected to magnetic separation method? Chromite Rutile Galena Siderite Chromite Rutile Galena Siderite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A screen is said to be blinded, when the Screen is plugged with solid particles Undersizes are retained in oversize fraction Screen capacity is abruptly increased Oversizes are present in undersize fraction Screen is plugged with solid particles Undersizes are retained in oversize fraction Screen capacity is abruptly increased Oversizes are present in undersize fraction ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the specific surface shape factor is given by A/V AD/V D/V √(AD/V) A/V AD/V D/V √(AD/V) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a coarse crusher? Gyratory crusher Toothed roll crusher Smooth roll crusher Tube mill Gyratory crusher Toothed roll crusher Smooth roll crusher Tube mill ANSWER DOWNLOAD EXAMIANS APP