Mechanical Operations During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration At the end of filtration At the end of filtration, but decreases with time subsequently At time zero When half the filtrate has been obtained At the end of filtration At the end of filtration, but decreases with time subsequently At time zero When half the filtrate has been obtained ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Length/diameter ratio of a ball mill is 1.5 > 1 1 < 1 1.5 > 1 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ 1/D N ∝ √D N ∝ D N ∝ 1/√D N ∝ 1/D N ∝ √D N ∝ D N ∝ 1/√D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface. Plane Either A or B Ribbed Curved Plane Either A or B Ribbed Curved 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 Which is a secondary crusher for a hard & tough stone? Impact crusher Jaw crusher Cone crusher Toothed roll crusher Impact crusher Jaw crusher Cone crusher Toothed roll crusher ANSWER DOWNLOAD EXAMIANS APP
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