Process Equipment and Plant Design Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around 0.1-0.2 0.55-0.85 0.35-0.75 0.4-0.6 0.1-0.2 0.55-0.85 0.35-0.75 0.4-0.6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In inclined long tube vertical evaporators, the tubes are inclined at an angle of 60° 90° 15° 45° 60° 90° 15° 45° ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wind load consideration in the design of a support can be neglected, when the vessel is Tall but empty Tall (say 30 metres), but is full of liquid Short (< 2 m) and housed indoor None of these Tall but empty Tall (say 30 metres), but is full of liquid Short (< 2 m) and housed indoor None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm. 44058 44183 43962 43895 44058 44183 43962 43895 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of (1.2)5/3 (1.2)2/3 (1.2)3/5 (1.2)3/2 (1.2)5/3 (1.2)2/3 (1.2)3/5 (1.2)3/2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Correct use of 'factor of safety' is very important in equipment design. It is defined as the ratio of the Ultimate stress to working stress Ultimate stress to breaking stress Working stress to ultimate stress None of these Ultimate stress to working stress Ultimate stress to breaking stress Working stress to ultimate stress None of these ANSWER DOWNLOAD EXAMIANS APP