Process Equipment and Plant Design Back-trapping in a distillation column results due to Low gas velocity Excessive liquid gradient over the tray Low reflux ratio High gas velocity Low gas velocity Excessive liquid gradient over the tray Low reflux ratio High gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Cooling water fouling factors vary in the range of 0.001 to 0.003 (kcal/hr.m² .°C)⁻¹ (BTU/hr.ft² . °F)⁻¹ (kcal/hr. m. °C)⁻¹ (W/m².°K)⁻¹ (kcal/hr.m² .°C)⁻¹ (BTU/hr.ft² . °F)⁻¹ (kcal/hr. m. °C)⁻¹ (W/m².°K)⁻¹ 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? Flat plate Conical Hemispherical Ellipsoidal (2 : 1) Flat plate Conical Hemispherical Ellipsoidal (2 : 1) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is __________ the longitudinal stress. Twice Eight times Equal to Half Twice Eight times Equal to Half ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The retention time of material in a rotary dryer depends upon its Flights arrangement Rpm All of these Slope & length Flights arrangement Rpm All of these Slope & length 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? Molar latent heat of the two components are equal Heat of mixing of normal liquid is assumed to be zero Sensible heat changes for vapour & liquid are negligibly small Reflux is not a saturated liquid Molar latent heat of the two components are equal Heat of mixing of normal liquid is assumed to be zero Sensible heat changes for vapour & liquid are negligibly small Reflux is not a saturated liquid ANSWER DOWNLOAD EXAMIANS APP
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