Process Equipment and Plant Design Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always Both B & C Less than arithmetic mean value More than arithmetic mean value More than geometric mean value Both B & C Less than arithmetic mean value More than arithmetic mean value More than geometric mean value ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Needle valves are generally not used for Very large diameter pipes Very accurate flow control High pressure throttling service Smaller sizes of pipe Very large diameter pipes Very accurate flow control High pressure throttling service Smaller sizes of pipe ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate. 8 4 2 1/2 8 4 2 1/2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Seamless pipe is made From rolled strips formed into cylinders and seam-welded By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing By extrusion & casting into static and centrifugal molds Both B and C From rolled strips formed into cylinders and seam-welded By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing By extrusion & casting into static and centrifugal molds Both B and C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of 1000 10000 3000 5000 1000 10000 3000 5000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the value of 'q' for saturated liquid feed to a distillation column? >1 1 >1 1 ANSWER DOWNLOAD EXAMIANS APP