300 cmm of outside ajr at 5°C and 60 per cent RH are heated and humdified to maintain room conditions at 21°C and 40 per... 查看全部
15:9 An air washer cools and dehumidifies 18,200 kg of dry air per hour from 41°C DBT and 24°C WBT. Chilled water enters... 查看全部
34222 Jeffreys, in a treatment of the design of an acetic anhydride manufacturing facility, states that one of the key s... 查看全部
For the gas phase irreversible catalytic reaction is given below A+B The reaction was carried out in a differential reac... 查看全部
A double-pipe counter-flow heat exchanger is to heat water (Cp= 0.24 Btu/ Ibm. °F) flowing at a rate of 0.35 Ibm/s from ... 查看全部
What are the physical meanings of Rayleigh number, Grashofnumber, Prandl number, Reynolds number and Nusselt number?
Choose the most appropriate alternative in thefollowing and rewrite the corresponding statementWhy is 50:50 mixture of e... 查看全部
A sample of Air at atmospheric pressure has a Dry BulbTemperature of 80oC and a Wet Bulb Temperature of 40oC. What areth... 查看全部
The gas mixture entering the reactor at standard conditions consisting of 75% C2H6 and 25% O2 was burned with 150% exces... 查看全部
Which of the following reactions are favoured by polaraprotic solvent?A. SN1 reactions B. SN2 reactions C. Both SN1 and ... 查看全部