Aheat pump receives energy from a source at 60 °c and delivers energy to a boiler that operates at 250 kpa. the boiler input is saturated liquid water and the exit is saturated vapor both at 350 kpa. the heat pump is driven by a 2.5 mw motor and has a cop that is 50% of a carnot heat pump cop. what is the maximum mass flow rate of water the system can deliver?

Two flowing streams of argon gas are adiabatically mixed to form a single flow/stream. one stream is 1.5 kg/s at 400 kpa and 200 c while the second stream is 2kg/s at 500 kpa and 100 ? . it is stated that the exit state of the mixed single flow of argon gas is 150 c and 300 kpa. assuming there is no work output or input during the mixing process, does this process violate either the first or the second law or both? explain and state all your assumptions.

If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79

Which of the following controllers anticipates the future from the slope of errors over time? a)-proportional b)-on/off c)-integral d)-derivative.