Problem 5.024 a power cycle receives 1000 btu by heat transfer from a reservoir at 1500°f and discharges energy by heat transfer to a reservoir at 300°f. the thermal efficiency of the cycle is 75% of that for a reversible power cycle operating between the same reservoirs. (a) for the actual cycle, determine the thermal efficiency and the energy discharged to the cold reservoir, in btu b. repeat for the reversible cycle.

Fluids at rest possess no flow energy. a)- true b)- false

Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?

Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables