Air enters axially in a centrifugal compressor at a stagnation temperature of 20°c and is compressed from 1 to 4.5 bars (stagnation pressures). the impeller has 19 radial vanes and rotates at 17000 rpm. isentropic efficiency of the compressor is 0.84 and the work input factor is 1.04. (1.4: c 1005/ determine: g)-the slip factor a)- 567.3 the velocity at the impeller tip in m/s 449,4. tip diameter of the impeller in cm. c)- 45.3. d)- the power required to drive the compressor when the mass flow rate is 2.5 kg/s in kw d)- 470.5 e)- 0.236 f)-50.5 g)- 0.896 h)-410.2 67.2 j)-657.2 k)-0.972