REFRIGERATION AND AIR CONDITIONING
1. STATE THE COMPONENTS OF VCRS CYCLE & FUNCTION ?
2. EXPLAIN THE WORKING OF VCRS CYCLE ?
3. REFRIGERANTS USED ONBOARD SHIP ?
4. REFRIGERANTS USED IN HOUSEHOLD USES LIKE AC AND REFRIGERATOR ?
5. STATE THE PROPERTIES OF REFRIGERANTS ?
6. EXPLAIN 1 TONNE OF REFRIGERATION ?
7. HOW TO CHECK LEAKING REFRIGERANTS ?
8. WHAT IS SHORT CYCLING IN REF. SYSTEM ?
9. BASIC GAS LAW ?
10. WHAT IS PRINCIPLE OF REFRIGERATION AND WHY REFRIGERATION IS REQUIRED ?
11. DIFFERENCE BETWEEN REFRIGERATION AND HEAT PUMP ?
12. DEFINE RELATIVE HUMIDITY ?
13. WHAT IS COP OF REFERIGERATION ?
14. WHICH UNIT PRODUCES THE COOLING EFFECT IN REFRIGERATION SYSTEM ?
15. DRAW P-H AND T-S DIAGRAM OF SUB-COOLING AND SUPER-HEATING ?
16. WHAT IS OZONE LAYER DEPLETION/GREEN HOUSE EFFECT ?
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