Process Equipment and Plant Design Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as D = 1.5 t D = 3√t D = 1.6 √t D = 1.1 t D = 1.5 t D = 3√t D = 1.6 √t D = 1.1 t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress. Allowable None of these Damaging Working Allowable None of these Damaging Working ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method? Heat of mixing of normal liquid is assumed to be zero Molar latent heat of the two components are equal Sensible heat changes for vapour & liquid are negligibly small Reflux is not a saturated liquid Heat of mixing of normal liquid is assumed to be zero Molar latent heat of the two components are equal Sensible heat changes for vapour & liquid are negligibly small Reflux is not a saturated liquid ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter. 2 ft irrespective of (for column > 3 ft diameter) Equal to 0.6-0.8 times Twice 2 ft irrespective of (for column > 3 ft diameter) Equal to 0.6-0.8 times Twice ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rotary driers are most economically designed for the number of heat transfer units (HTU) from 5 to 10 10 to 20 0.01 to 1 1.5 to 2.5 5 to 10 10 to 20 0.01 to 1 1.5 to 2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.). Ellipsoidal Dished Hemispherical Conical Ellipsoidal Dished Hemispherical Conical ANSWER DOWNLOAD EXAMIANS APP
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