Avery long aluminum f in (k -180 w/m. k) with cross sectional area of a 5 mm2 is to a surface at temperature of 60 °c and is subjected to convection heat transfer with h- 35 wm2.k and t. 25 °c. if the perimeter of the fin is p 8 mm, find the point along the fin /rm for which 0/0o 0.01.

Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?

On a average work day more than work place firs are reorted

Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.