Question

Choose the correct statements from theoptions below.There may be several correctstatements,but you won't know how many.Ifthere are N correct statement,you will get 5/Nmarks for each correct statement you choose,but you will

lose 5/N marks for each incorrectstatement you choose.Your score won't gonegative.O In an ideal heat pump all transformations areisentropicO For heat pumps,performance is better as the coldreservoir gets warmerO A heat pump operates with a directthermodynamic cycleO A Mollier diagram plots the Temperature againstPressure for the heat pump cycleO The CoP of a heat pump increases as thetemperature difference between the tworeservoirs decreasesO On a P/h diagram,the region within the domerepresents the gas/liquid mix

Fig: 1