Problem: 16 Air at 60 °F flows from a large tank through a convergent nozzle, which has an exit diameter of 1.0 in. The discharge is to the atmosphere, where atmospheric pressure is 14.5 psia. Air pressure inside the tank is 30.0 puig. What is the weight fow rate of air through the nozzle? Ans: 0.503 Ib/s

Using the activity list below and any appropriate drawing tool, create a complete network diagram using the precedence method showing Activity, Duration, ES, EF, LS, LF and Slack per activity: ACTIVITY A B C D E F G H DURATION 5 12 20 15 15 30 12 8 PREDECESSOR A B B B C, D E, F G

Why are RFI’s (aka, field questions) used on construction projects?

New technologies have benefited sociological research by facilitating surveys and statistical analysis. Can you think of any potential drawbacks that these new technologies might have for sociological investigation?