Process Equipment and Plant Design Needle valves are generally not used for Very accurate flow control Smaller sizes of pipe Very large diameter pipes High pressure throttling service Very accurate flow control Smaller sizes of pipe Very large diameter pipes High pressure throttling service ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always More than arithmetic mean value Less than arithmetic mean value More than geometric mean value Both B & C More than arithmetic mean value Less than arithmetic mean value More than geometric mean value Both B & C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The safe height (h) to diameter (d) ratio (i.e., h/d) for liquid/petro fuel storage tank of capacity more than 45 kilolitres is less than 1 3 3.5 2 1 3 3.5 2 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 Cylindrical pressure vessels in horizontal condition is generally supported on a __________ support. Skirt Lug Saddle Guy wire Skirt Lug Saddle Guy wire 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 (d1 + d2)/d1 D1/(d1 + d2) D2/(d1 + d2) (d1 + d2)/d2 (d1 + d2)/d1 D1/(d1 + d2) D2/(d1 + d2) ANSWER DOWNLOAD EXAMIANS APP