Process Equipment and Plant Design The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends. Less than More than Either B or C; depends on maximum permissible internal pressure Equal to Less than More than Either B or C; depends on maximum permissible internal pressure Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger Permits the use of less tubes in a given shell diameter Permits the use of more tubes in a given shell diameter Both B and C Facilitates comparatively easier external cleaning because of large clearance Permits the use of less tubes in a given shell diameter Permits the use of more tubes in a given shell diameter Both B and C Facilitates comparatively easier external cleaning because of large clearance ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids. 38 16 19 28 38 16 19 28 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for fully open globe value may be around 75 300 25 10 75 300 25 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate. 43834 4 43832 2 43834 4 43832 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will Increase or decrease depending on the nature of the dust Remain unaffected Decrease Increase Increase or decrease depending on the nature of the dust Remain unaffected Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
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