Process Equipment and Plant Design The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm. One fourth Equal to Half Three fourth One fourth Equal to Half Three fourth ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure drop due to pipe fittings can be estimated by the equation, ΔP/p = 4f.Le/D.V2/2gc, where, Le = equivalent length of straight pipeline which will incur the same frictional loss as the fitting and D = diameter of the fitting. The value of Le/D (dimensionless) for 45° elbow and 180° close return bends would be respectively around 5 and 10 45 and 75 180 and 300 300 and 500 5 and 10 45 and 75 180 and 300 300 and 500 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Brass valves are usually made for pipe sizes __________ inches. >2.5 >3.5 ?2 ?1 >2.5 >3.5 ?2 ?1 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 D2/(d1 + d2) D1/(d1 + d2) (d1 + d2)/d1 (d1 + d2)/d2 D2/(d1 + d2) D1/(d1 + d2) (d1 + d2)/d1 (d1 + d2)/d2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A 'rupture disc' is provided in chemical equipments as an accessory meant for Avoiding vortex formation Enhancing mixing rate Relieving excess pressure Creating turbulence Avoiding vortex formation Enhancing mixing rate Relieving excess pressure Creating turbulence ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Height of the flights in the rotary drier is in the range of 0.02 to 0.05 d 0.2 to 0.5 d 0.08 to 0.12 d 0.5 to 0.6 d 0.02 to 0.05 d 0.2 to 0.5 d 0.08 to 0.12 d 0.5 to 0.6 d ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS