Process Equipment and Plant Design Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Economic limit reached, when the plant cost exceeds the saving of steam Both A & B Neither A nor B Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Economic limit reached, when the plant cost exceeds the saving of steam Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure? At the inner surface At the outer surface At the mid thickness of the cylindrical wall None of these At the inner surface At the outer surface At the mid thickness of the cylindrical wall None of these 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. 19 16 38 28 19 16 38 28 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than 0.8 0.99 0.55 0.95 0.8 0.99 0.55 0.95 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Stage efficiency for packed tower varies with the All of these Fluid rates and fluid properties Type & size of packing Operating pressure and column diameter All of these Fluid rates and fluid properties Type & size of packing Operating pressure and column diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by 4(0.86p² - πd²)/πd (p² - πd²/4)/πd (4p² - πd²/4)/πd 4(0.86p² - πd²/4)/πd 4(0.86p² - πd²)/πd (p² - πd²/4)/πd (4p² - πd²/4)/πd 4(0.86p² - πd²/4)/πd ANSWER DOWNLOAD EXAMIANS APP
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