Ex.4) Design a T-beam for the floor system shown below. The span is simple and is 4.0 m, the service
applied moments are Mo = 270kN. m and My = 575kN. m. fo = 21MPa and f, = 420MPa.
75 mm V
600 mm
1800 mm
375
1800 mm
375
1800 mm
375 1800 mm
>
k
키
|800 mm

Estimate the change in specific internal energy au and specific enthalpy h from inlet to outlet for ethylene glycol (a liquid) flowing through each of the following devices: (a) a heat exchanger where the glycol temperature increases from 20 °c to 80 °c; (b) a pump operating at about 25 °c and increasing the glycol pressure from 100 kpa to 8 mpa.

Apure substance is a)-mixture of various chemical elements or compounds b)-substance that has a fixed chemical composition throughout c)-mixture that is homogeneous (such as air) d)-all the answers

Determine the stoichiometric and actual air-fuel ratios and the mole flue gas composition for combustion with 15% excess air for raw indiana, pennsylvania raw coal.