unit 4 and 5

2. – Measure of a system’s thermal energy per unit temperature
4. – Sum of internal energy
5. Space – Volume occupied by a water in shell
7. Diesel – Scientist who gave the name to diesel cycle
12. -Process in which energy transfer and its effect transfer on the physical properties of substance
13. – Essential item to be fitted on the boiler for its safe working

1. – Device which operates in a cycle maintains a body temperature lower than surrounding
3. – Hollow cast iron
6. – Name the external part of system
8. – Supported by the bearing of crankshaft
9. – change of state
10. – Machine in which both petrol and diesel engine have the same mechanism
11. Flow – Rate of flow of mass and energy across the control surface