Process Equipment and Plant Design The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always 1 Equal to the order of reaction < 1 >1 1 Equal to the order of reaction < 1 >1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around 2.5 3.5 0.5 1.5 2.5 3.5 0.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for a Tee (used as elbow, entering run) would be around 200 350 5 60 200 350 5 60 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Results in higher shell side pressure drop 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 Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Results in higher shell side pressure drop 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 Lug support is Provided usually for vessels of much smaller height than skirt supported vessels Same as bracket support All of these The most suitable for thick vertical vessel Provided usually for vessels of much smaller height than skirt supported vessels Same as bracket support All of these The most suitable for thick vertical vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is (d1 + d2)/d2 D2/(d1 + d2) (d1 + d2)/d1 D1/(d1 + d2) (d1 + d2)/d2 D2/(d1 + d2) (d1 + d2)/d1 D1/(d1 + d2) ANSWER DOWNLOAD EXAMIANS APP