Process Equipment and Plant Design Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always Less than arithmetic mean value More than arithmetic mean value Both B & C More than geometric mean value Less than arithmetic mean value More than arithmetic mean value Both B & C More than geometric mean value ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Safety valves are provided in chemical equipments to guard against excessive Temperature Pressure/pressure fluctuation Turbulence Noise Temperature Pressure/pressure fluctuation Turbulence Noise ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Welded joint efficiency in the design of chemical process equipment is taken as 0.55 0.85 0.95 0.75 0.55 0.85 0.95 0.75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should Flow at a very slow velocity Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Perferably flow outside the tube Preferably flow inside the tube for its easier internal cleaning Flow at a very slow velocity Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Perferably flow outside the tube Preferably flow inside the tube for its easier internal cleaning ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Mc Cable Thiele method used for finding theoretical stages in a distillation column assumes that the Liquid/vapor loading across the column remains constant All of these Trouton's rule is applicable Sensible heat differences are small, because the temperature changes from tray to tray is small Liquid/vapor loading across the column remains constant All of these Trouton's rule is applicable Sensible heat differences are small, because the temperature changes from tray to tray is small ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if Both B & C Material of construction is high alloy steel Plain carbon steel and cast iron parts are used Wall thickness is > 30 mm Both B & C Material of construction is high alloy steel Plain carbon steel and cast iron parts are used Wall thickness is > 30 mm ANSWER DOWNLOAD EXAMIANS APP