Process Equipment and Plant Design Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate? Triangular pitch Diagonal square pitch Square pitch Heat transfer rate is independent of tube arrangement Triangular pitch Diagonal square pitch Square pitch Heat transfer rate is independent of tube arrangement ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bubble cap plate column is A differential stage contactor A continuous contactor A finite stage contactor Used only for distillation, not for absorption A differential stage contactor A continuous contactor A finite stage contactor Used only for distillation, not for absorption ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For turbine agitator, the impeller diameter is about 0.95 d 0.1 to 0.2 d 0.65 to 0.85 d 0.3 to 0.5 d 0.95 d 0.1 to 0.2 d 0.65 to 0.85 d 0.3 to 0.5 d ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used? 1 0.8 (0.8)0.5 0.9 1 0.8 (0.8)0.5 0.9 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Increase by 1.8 Increase by 21.6 None of these Decrease by 22 Increase by 1.8 Increase by 21.6 None of these Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thermal stress in a metallic bar does not depend upon the Cross-sectional area Both A & B Changes in temperature Neither A nor B Cross-sectional area Both A & B Changes in temperature Neither A nor B ANSWER DOWNLOAD EXAMIANS APP