Process Equipment and Plant Design Hoop (circumferential) stress induced in a thin walled 'Horton Sphere' used for the storage of liquid ammonia under pressure is pD/4t pD/6t pD/3t pD/2t pD/4t pD/6t pD/3t pD/2t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 80 8 180 1 80 8 180 1 ANSWER DOWNLOAD EXAMIANS APP
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. 5 to 10 15 to 30 55 to 75 40 to 50 5 to 10 15 to 30 55 to 75 40 to 50 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum shell thickness for tank ≤ 15 metres diameter is limited to __________ mm, for reasons of elastic stability. 15 2 10 5 15 2 10 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. 1.25-1.50 times One-fourth of Less than 2.5 times 1.25-1.50 times One-fourth of Less than 2.5 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by (p² - πd²/4)/πd 4(0.86p² - πd²/4)/πd (4p² - πd²/4)/πd 4(0.86p² - πd²)/πd (p² - πd²/4)/πd 4(0.86p² - πd²/4)/πd (4p² - πd²/4)/πd 4(0.86p² - πd²)/πd ANSWER DOWNLOAD EXAMIANS APP
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