Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 0.66 2.76 1 0.5 0.66 2.76 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger number which designates the new surface prduced per unit of mechanical energy absorbed by the material being crushed, depends on the All of these Elastic constant of the material State or manner of application of the crushing force Ultimate strength of the material All of these Elastic constant of the material State or manner of application of the crushing force Ultimate strength of the material ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a batch sedimentation equipment? Filter thickener Dust catcher Rotary sprayer scrubber Dry cyclone separator Filter thickener Dust catcher Rotary sprayer scrubber Dry cyclone separator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of isotopes is generally done using a/an __________ centrifuge. Ultra Both A & B Neither A nor B Disk-bowl Ultra Both A & B Neither A nor B Disk-bowl ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following minerals is not subjected to magnetic separation method? Chromite Siderite Galena Rutile Chromite Siderite Galena Rutile ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed 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 Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed 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 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS