Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 1 μm/s 0.90 μm/s 0.02 μm/s 22.1 μm/s 1 μm/s 0.90 μm/s 0.02 μm/s 22.1 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Secondary Fine Ultrafine Primary Secondary Fine Ultrafine Primary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a Crushing rolls Ball mill Hammer mill Buhrstone mill Crushing rolls Ball mill Hammer mill Buhrstone mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of raschig ring (whose length and diameter are equal) is 2 1 >1 2 1 >1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushers can be considered as a combination of a jaw crusher and a roller crusher? Ball mill Fluid energy mill Gyratory crusher Rod mill Ball mill Fluid energy mill Gyratory crusher Rod mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ centrifuge is normally used in sugar mills. Disc-bowl Tubular bowl Perforated horizontal basket continuous Suspended batch basket Disc-bowl Tubular bowl Perforated horizontal basket continuous Suspended batch basket ANSWER DOWNLOAD EXAMIANS APP
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