Process Equipment and Plant Design In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.) H.ρ/L Z.H/L.ρ L/Z.H.ρ Z.H.ρ/L H.ρ/L Z.H/L.ρ L/Z.H.ρ Z.H.ρ/L ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following material is seldom used for pressure vessel construction? Killed steel Mild steel Semi-killed steel Rimmed still Killed steel Mild steel Semi-killed steel Rimmed still ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Reflux ratio variation in a distillation column is between Minimum and infinity None of these Zero and infinity Zero and one Minimum and infinity None of these Zero and infinity Zero and one ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation Does not affect the capacity Both B & C Increases capacity Increases economy Does not affect the capacity Both B & C Increases capacity Increases economy ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Brass valves are usually made for pipe sizes __________ inches. ?2 ?1 >2.5 >3.5 ?2 ?1 >2.5 >3.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm. One fourth Three fourth Half Equal to One fourth Three fourth Half Equal to ANSWER DOWNLOAD EXAMIANS APP
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