Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Sticky (e.g. clay paste) Free flowing Small lumpy (e.g. grains and sand) Fine (e.g. - 200 mesh size coal) Sticky (e.g. clay paste) Free flowing Small lumpy (e.g. grains and sand) Fine (e.g. - 200 mesh size coal) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor. Slat or drag Ribbon Screw Flight Slat or drag Ribbon Screw Flight ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following screens has the maximum capacity? Grizzlies Shaking screen Vibrating screen Trommels Grizzlies Shaking screen Vibrating screen Trommels ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of Flint or porcelain Concrete Stainless steel Bronze Flint or porcelain Concrete Stainless steel Bronze ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter medium resistance is important during the __________ of filtration. Entire process Final stages Early stages None of these Entire process Final stages Early stages None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ). √μ 1/μ 1/√μ 1/μ² √μ 1/μ 1/√μ 1/μ² ANSWER DOWNLOAD EXAMIANS APP