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 40 to 50 15 to 30 55 to 75 5 to 10 40 to 50 15 to 30 55 to 75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness? Conical Ellipsoidal (2 : 1) Flat plate Hemispherical Conical Ellipsoidal (2 : 1) Flat plate Hemispherical ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Smoker's equation for the calculation of number of equilibrium stages in a continuous binary distillation column is used, when the Number of equilibrium stages required is likely to be very small Feed is not at its bubble point Number of equilibrium stages in only stripping section is to be calculated Relative volatility is close to one (e.g., separation of close boiling isomers) Number of equilibrium stages required is likely to be very small Feed is not at its bubble point Number of equilibrium stages in only stripping section is to be calculated Relative volatility is close to one (e.g., separation of close boiling isomers) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter. 1/2 to 1/4th 1/10-1/15th 1/5-1/10th 1/20-1/30th 1/2 to 1/4th 1/10-1/15th 1/5-1/10th 1/20-1/30th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube height in a calendria type evaporator is normally less than __________ metres. 2 3.5 5.5 1 2 3.5 5.5 1 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 breaking stress Ultimate stress to working stress Working stress to ultimate stress None of these Ultimate stress to breaking stress Ultimate stress to working stress Working stress to ultimate stress None of these ANSWER DOWNLOAD EXAMIANS APP
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