Process Equipment and Plant Design Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from 7.5-10.0 1.5-2.5 3.5-5.5 44119 7.5-10.0 1.5-2.5 3.5-5.5 44119 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger Facilitates comparatively easier external cleaning because of large clearance Both B and C Permits the use of more tubes in a given shell diameter Permits the use of less tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance Both B and C Permits the use of more tubes in a given shell diameter Permits the use of less tubes in a given shell diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A cylinderical pressure vessel of volume 6 πm³ has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm² and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to 6 mm 8 mm 10 mm 5 mm 6 mm 8 mm 10 mm 5 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.). Conical Dished Ellipsoidal Hemispherical Conical Dished Ellipsoidal Hemispherical ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for fully open gate valves would be Much more than that for fully open globe valves Much less (say 2% than that for fully open globe valves) Around 7 Both B and C Much more than that for fully open globe valves Much less (say 2% than that for fully open globe valves) Around 7 Both B and C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Thickness of the frame of a plate and frame filter as compared to that of plates is Either A or B Same Less More Either A or B Same Less More ANSWER DOWNLOAD EXAMIANS APP