Properties of Air

Question 1

Cp= Btu/ lb - °F
= kcal/ kg - °C
= kJ/ kg - °C

Answer 1

Cp= 0.24 Btu/ lb - °F
= 0.24 kcal/ kg - °C
= 1.0 kJ/ kg - °C

Question 2

Cv= Btu/ lb - °F
= kcal/ kg - °C
= kJ/ kg - °C

Answer 2

Cv= 0.171 Btu/ lb - °F
= 0.171 kcal/ kg - °C
= 0.716 kJ/ kg - °C

Question 3

R= ft - lb/ lb - °R
= kJ/ kg - °K

Answer 3

R= 53.3 ft - lb/ lb - °R
=0.287 kJ/ kg - °K

Question 4

k= ?

Answer 4

k= 1.4