Mechanical Operations Rod mills employed for grinding Is useful for handling sticky materials All of these Employ a steel shell having L/D ratio of 1.5 to 3.0 Employ steel rods of 2-12 cms diameter extending over full length of the mill Is useful for handling sticky materials All of these Employ a steel shell having L/D ratio of 1.5 to 3.0 Employ steel rods of 2-12 cms diameter extending over full length of the mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a continuous filter? Shell and leaf filter None of these Plate and frame filter Cartridge filter Shell and leaf filter None of these Plate and frame filter Cartridge filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.62 0.5 0.58 0.68 0.62 0.5 0.58 0.68 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations At low Reynold's number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5 : Power number Re = ρ N D2/μ: Reynold's number N is the impeller rotational speed, and D is the impeller diameter. Po ∝ Re0.5 Po ∝ Re0.0 Po ∝ Re1.0 Po ∝ Re-1.0 Po ∝ Re0.5 Po ∝ Re0.0 Po ∝ Re1.0 Po ∝ Re-1.0 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Highly viscous liquids & pastes are agitated by Turbine agitators Multiple blade paddles None of these Propellers Turbine agitators Multiple blade paddles None of these Propellers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A belt conveyor used for the transportation of materials can Travel at a speed upto 300 metres/minute Run upto 1 km All of these Handle materials upto 5000 tons/hr Travel at a speed upto 300 metres/minute Run upto 1 km All of these Handle materials upto 5000 tons/hr ANSWER DOWNLOAD EXAMIANS APP
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