Match List I with List II
List – I
A. Cetane number
B. Approach and range
C. $\left ( \frac{\delta T}{\delta p} \right )_{h}\neq 0$
D. dh = cp dT, even when pressure varies
List – II
1. Ideal gas
2. Vander Waals gas
3. S.I. engine
4. C.I. engine
5. Cooling towers
6. Heat exchangers