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 1.5-2.5 44119 3.5-5.5 7.5-10.0 1.5-2.5 44119 3.5-5.5 7.5-10.0 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following efficiencies can be greater than 100%? None of these Point efficiency Overall plate efficiency Murphree plate efficiency None of these Point efficiency Overall plate efficiency Murphree plate efficiency ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be __________ times. About 9 About 3 Considerably more than 9 Considerably less than 9 About 9 About 3 Considerably more than 9 Considerably less than 9 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 Permits the use of less tubes in a given shell diameter Permits the use of more tubes in a given shell diameter Both B and C Facilitates comparatively easier external cleaning because of large clearance Permits the use of less tubes in a given shell diameter Permits the use of more tubes in a given shell diameter Both B and C Facilitates comparatively easier external cleaning because of large clearance ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid gradient over the tray results due to the Low gas velocity Large plate spacing Large reflux ratio Resistance offered to flow of liquids by caps & risers and the flow of gas Low gas velocity Large plate spacing Large reflux ratio Resistance offered to flow of liquids by caps & risers and the flow of gas ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Accidents in chemical plants are mostly due to Failure of equipments Faulty operating procedures Improper layout of the equipments Inadequate equipment design Failure of equipments Faulty operating procedures Improper layout of the equipments Inadequate equipment design ANSWER DOWNLOAD EXAMIANS APP