Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) 4P²/πd Πd/4P² (P² - πd²/4)/πd 4(P² - πd²/4)/πd 4P²/πd Πd/4P² (P² - πd²/4)/πd 4(P² - πd²/4)/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A pipe is generally made of circular cross-section, because a circular cross-section has the None of these Higher structural strength Lowest surface area requirement for a given volume Both A & B None of these Higher structural strength Lowest surface area requirement for a given volume Both A & B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bubble cap tray is the most commonly used tray in large distillation column, because Of its flexibility and nearly constant efficiency under varying conditions of operation None of these It eliminates the foaming and entrain-ment tendency during operation It incurs less pressure drop as compared to any other try designed for the same duty Of its flexibility and nearly constant efficiency under varying conditions of operation None of these It eliminates the foaming and entrain-ment tendency during operation It incurs less pressure drop as compared to any other try designed for the same duty ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a heat exchanger, shell side fluid velocity can be changed by changing the tube Layout Neither A nor B Both A & B Pitch Layout Neither A nor B Both A & B Pitch ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is the best tube material from thermal conductivity point of view alone? Copper Carbon steel Aluminium Stainless steel Copper Carbon steel Aluminium Stainless steel 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. 16 19 28 38 16 19 28 38 ANSWER DOWNLOAD EXAMIANS APP
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