Process Equipment and Plant Design The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute. 55 to 75 5 to 10 40 to 50 15 to 30 55 to 75 5 to 10 40 to 50 15 to 30 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Longitundinal stress induced in a thin walled cylindrical storage vessel is PD/2t PD/6t PD/4t PD/3t PD/2t PD/6t PD/4t PD/3t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lug support is 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 Same as bracket support 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. Equal to One fourth Three fourth Half Equal to One fourth Three fourth Half ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by(where, Q = fluid flow rate, ft³/sec.ρ = fluid density, lb/ft³ μ = fluid viscosity, centipoise Di = optimum inside pipe diameter, inches) Di, opt = 3 Q0.36 . μ0.88 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 3.9 Q0.45 ρ0.13 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for diaofthe tank in question), the thickness of the courses of shell Increases upwards May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell Decreases upwards Remains same throughout Increases upwards May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell Decreases upwards Remains same throughout ANSWER DOWNLOAD EXAMIANS APP
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