3. 5 kmol of Propane gas initially at 373.15 K (100 °C) and 1 bar is compressed to final state of 423.15 K (150 °C) and 10 bar. Estimate: a. Z, HR , UR , SR , GR at the initial state and final state using virial equation sate truncated into two terms and generalized correlation to determined B. b. Hig and Sig c. H, S, U, and G for the prescribed change of state. 4

Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2

The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody

Which of the following ziegler nichols tuning methods the response of the controller to a step input should exhibit an s-shaped curve? a)-open loop mode b)-closed loop mode c)-both modes (open & closed) d)-none of the modes (open & closed)