23 - Curriculum Development Centre, Kalamassery

4.1.3. State the functions of the above components.4.1.4. Describe the working of simple absorption type refrigeration with the help of a flowdiagram.4.1.5. Define the C.O.P of a refrigeration system.4.1.6. Justify the selection of refrigerants for different systems.4.1.7. List out the various types of refrigerants.4.1.8. Explain the units of refrigeration.4.1.9. State the industrial application of refrigeration system with special emphasis onpolymer Industries.4.1.10. Explain slow freezing, quick-freezing, cold storage, frozen storage freeze drying anddairy refrigeration4.2.0 Understand the functions of air conditions systems4.2.1. Define air conditioning.4.2.2. Classify air conditioning systems on the basis of major function, seasons of the yearand equipment arrangement.4.2.3. Explain the construction and working of window type air conditioner4.2.4. Explain the construction and working of packages type air conditioner4.2.5. Explain the central plant system with suitable lay outUNIT – V5.1.0 Appreciate the uses of power transmission devices5.1.1 State the application of belt drives.5.1.2 Classify the various types belt drives.5.1.3 Explain the terms open belt, cross belt, length of belt, slack and tight side, ratio oftension, velocity ratio and centrifugal tension.5.1.4 Discuss the effect of centrifugal tension on power transmission.5.1.5 Understand the meaning of belt friction.5.1.6 Explain with sketch the stepped cone pulley (speed cones) and jockey pulley.5.1.7 Explain the function of belt fasteners.5.1.8 State the application of chain and sprocket drive.5.1.9 Explain the roller chain and silent chain with simple sketches.5.1.10 Identify the different types of gear wheels such as spur, helical, bevel gears.5.1.11 State the functions of the above gears.5.1.12 Explain the uses of worm and worm wheel.5.1.13 Explain the functions of different train of gear wheels such as simple, compound,differential and epicyclical driven with simple sketches.5.1.14 Identify the types of bearings according to the direction load such as journal, footstop,thrust and collar bearings.5.1.15 Explain with simple sketches construction and advantages of the brush, ball, rollerand needle bearings.5.2.0 Understand lubricants and lubrication systems.5.2.1 Explain the function of lubricant.5.2.2 Explain different types of lubricants.5.2.3 Enumerate different types of engine lubricating systems.5.2.4 Explain splash lubrication system.5.2.5 Explain pressure lubrication system.107