Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer). 250 650 450 750 250 650 450 750 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Increase by 1.8 None of these Increase by 21.6 Decrease by 22 Increase by 1.8 None of these Increase by 21.6 Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes) (D₂² - D₁²)/D₂² D₂ - D₁ None of these (D₂² - D₁²)/D₁² (D₂² - D₁²)/D₂² D₂ - D₁ None of these (D₂² - D₁²)/D₁² ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lug support is Same as bracket support The most suitable for thick vertical vessel Provided usually for vessels of much smaller height than skirt supported vessels All of these Same as bracket support The most suitable for thick vertical vessel Provided usually for vessels of much smaller height than skirt supported vessels All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a continuous distillation column, increase in reflux ratio may result in the Lower fixed charges for the column All of these Greater cost for the reboiler heat supply Greater cost for the condenser coolant Lower fixed charges for the column All of these Greater cost for the reboiler heat supply Greater cost for the condenser coolant ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Cylinderical shell thickness of rotary drier is generally __________ mm. 43864 18-22 43990 44180 43864 18-22 43990 44180 ANSWER DOWNLOAD EXAMIANS APP
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