At what depth will pressure in a straight cylindrical powder compact of 10 mm diameter become

(i) zero, and
(ii) one-half of the punch pressure?
Assume that the powders are being compacted using single-action compaction. Given: radial-to-axial stress ratio=0.5, friction coefficient=0.3.

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.

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

Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.