Q$.1$

A closed system containing a gas undergoes a compression process with internal energy change from $200$ kJ to $400$ kJ and the work done on the gas during the compression is $320$ kJ $.$ The heat flow to or from the system in the process is $($Please also indicate heat rejection or heat absorption or $\frac{+}{-})$

$(4$ marks$)$

The specific enthalpy of wet steam at $1$ bar is $1000k\frac{J}{k}g.$ Its dryness fraction is$.($You may refer to the below values for saturated water$/$steam$)$

$\backslash$table$[[$Pressure $($bar$),h_f(k\frac{J}{k}g),h_{fg}(k\frac{J}{k}g),h_g(k\frac{J}{k}g)$