Process Equipment and Plant Design Cooling water fouling factors vary in the range of 0.001 to 0.003 (W/m².°K)⁻¹ (kcal/hr. m. °C)⁻¹ (kcal/hr.m² .°C)⁻¹ (BTU/hr.ft² . °F)⁻¹ (W/m².°K)⁻¹ (kcal/hr. m. °C)⁻¹ (kcal/hr.m² .°C)⁻¹ (BTU/hr.ft² . °F)⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of 2 None of these 20.8 20.2 2 None of these 20.8 20.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used? (0.8)0.5 1 0.8 0.9 (0.8)0.5 1 0.8 0.9 ANSWER DOWNLOAD EXAMIANS APP
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) 4(P² - πd²/4)/πd Πd/4P² (P² - πd²/4)/πd 4P²/πd 4(P² - πd²/4)/πd Πd/4P² (P² - πd²/4)/πd 4P²/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent. 55 5 20 35 55 5 20 35 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of the seive tray column is determined by the Height of the plate spacing Hole diameter of the seive tray Upper limit of the vapour velocity Lower limit of vapour velocity Height of the plate spacing Hole diameter of the seive tray Upper limit of the vapour velocity Lower limit of vapour velocity ANSWER DOWNLOAD EXAMIANS APP
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