Process Equipment and Plant Design In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement Results in higher shell side pressure drop Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Can accomodate less number of tubes for a given shell diameter Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Results in higher shell side pressure drop Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Can accomodate less number of tubes for a given shell diameter Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Power required for agitation depends upon the All of these Agitator type & speed of agitation Height & properties of the liquid Size of agitator & the tank All of these Agitator type & speed of agitation Height & properties of the liquid Size of agitator & the tank ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wind load consideration in the design of a support can be neglected, when the vessel is Tall but empty None of these Tall (say 30 metres), but is full of liquid Short (< 2 m) and housed indoor Tall but empty None of these Tall (say 30 metres), but is full of liquid Short (< 2 m) and housed indoor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Column support for the roof of cylindrical storage tank must be provided for Small diameter tall tanks Small diameter tanks Large diameter tanks All of these Small diameter tall tanks Small diameter tanks Large diameter tanks All of these 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 Trouton's rule is applicable All of these Sensible heat differences are small, because the temperature changes from tray to tray is small Liquid/vapor loading across the column remains constant Trouton's rule is applicable All of these Sensible heat differences are small, because the temperature changes from tray to tray is small ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Ratio of tube length to shell diameter for a shell and tube heat exchanger is < 4 : 1 for gas-gas exchangers 4 : 1 to 8 : 1 for liquid-liquid exchanger 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers Both B & C < 4 : 1 for gas-gas exchangers 4 : 1 to 8 : 1 for liquid-liquid exchanger 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers Both B & C ANSWER DOWNLOAD EXAMIANS APP