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 = 1.1 t D = 1.6 √t D = 1.5 t D = 3√t D = 1.1 t D = 1.6 √t D = 1.5 t D = 3√t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency Decreases Remains same May increase or decrease depending upon the plate spacing Increases Decreases Remains same May increase or decrease depending upon the plate spacing Increases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer). 750 650 250 450 750 650 250 450 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ideal size of round bubble caps to be used in industrial distillation column having a diameter of 3-6 metres is __________ cms. 7.5 50 5 15 7.5 50 5 15 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Accidents in chemical plants are mostly due to Faulty operating procedures Improper layout of the equipments Inadequate equipment design Failure of equipments Faulty operating procedures Improper layout of the equipments Inadequate equipment design Failure of equipments ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is __________ the longitudinal stress. Half Eight times Equal to Twice Half Eight times Equal to Twice ANSWER DOWNLOAD EXAMIANS APP