Refrigeration and air conditioning
Previous year question paper with solutions for Refrigeration and air conditioning
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- Enumerate the main components of domestic refrigerator.
- Differentiate between refrigerator and a heat pump.
- Define relative COP.
- Explain the necessity of aircraft refrigeration.
- Define relative COP.
- Explain the effect of discharge pressure on COP of vapour compression refrigeration system
- Define zoetrope’s. Give examples of commonly used zoetrope’s in refrigeration and air conditioning equipment.
- Explain the working principle of thermoelectric refrigeration system.
- Define bypass factor of a cooling coil.
- Enumerate human requirements of comfort.
- Differentiate between Refrigeration and cooling.
- Draw Bell Coleman cycle on PV and TS diagrams.
- Name the various components of a simple vapour compression system.
- What is the significance of intercooling in compound compression?
- Name the three fluids used in a three-fluid vapour absorption system.
- Write the applications of low temperature refrigeration.
- Define the terms: Relative Humidity, Dew point temperature.
- Draw heating with dehumidification process on psychometric chart.
- What do you understand by the term cooling load?
- Why the ducts are used in an air conditioning system?
- Define the term “Air Conditioning”.
- Write the applications of Gas Cycle Refrigeration.
- Distinguish between expansion and throttling of liquid refrigerant.
- Write the advantages of compound compression.
- Name the three fluids used in a three-fluid vapour absorption system.
- Define the term “Cryogenics”, and write its applications.
- What do you mean by adiabatic mixing of moist air streams without condensation?
- Show heating and dehumidification process on psychometric chart.
- What are various sources of heat load?
- What is the function of a capillary tube in a household refrigerator?