Mechanical Operations Specific surface area is the surface area of a unit __________ of materials. Weight Either A or B Volume Neither A nor B Weight Either A or B Volume Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ D N ∝ 1/D N ∝ √D N ∝ 1/√D N ∝ D N ∝ 1/D N ∝ √D N ∝ 1/√D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aid is used to Increase the rate of filtration Act as a support base for the septum Increase the porosity of the cake Decrease the pressure drop Increase the rate of filtration Act as a support base for the septum Increase the porosity of the cake Decrease the pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials of the same density based on their sizes by using then-different rates of flow is called Elutriation Sizing Flocculation Sorting Elutriation Sizing Flocculation Sorting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 1.5-2.5 0.33-0.45 1.33-1.45 0.5-2 1.5-2.5 0.33-0.45 1.33-1.45 0.5-2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following minerals is not subjected to magnetic separation method? Siderite Chromite Rutile Galena Siderite Chromite Rutile Galena ANSWER DOWNLOAD EXAMIANS APP