1. Determine the thermal conductivity of given materials and plot the radial temperature distribution of pipe insulation. Specifications:1. Radius at which thermocouples (1-3) R1: 28 mm2. Radius at which thermocouples (4-6) R2:53 mm3. Radius at which thermocouples (7-9) R3 :78 mm4. Length of the specimen, L:50 cmMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner 2. Determine the effectiveness and efficiency of a pin-fin under natural convection mode and draw the variation of temperature along the length of the pin- fin. Specifications: 1.Duct size (L x B x W)= 150 mm x 100 mm x 150 mm2. Diameter of the fin d = 12 mm3.Length of the fin L = 150 mm4. Thermal conductivity of fin = 110 W/mK5.Coefficient of discharge Cd= 0.616.Diameter of the orifice D = 20 mmMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner 3. Determine the effectiveness and efficiency of a pin-fin under forced convection mode and draw the variation of temperature along the length of the pin- fin. Specifications: 1.Duct size (L x B x W)= 150 mm x 100 mm x 150 mm2. Diameter of the fin d = 12 mm3.Length of the fin L = 150 mm4. Thermal conductivity of fin = 110 W/mK5.Coefficient of discharge Cd= 0.616.Diameter of the orifice D = 20 mmMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner

4. Determine the Stefan-Boltzmann constant using the test set up and compare with standard value.Specifications:1. Mass of the disc= 0.005 kg.2. Dia. of the disc= 0.020 m.3. Cp= 381 J/KgKMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner 5. Determine the emissivity of the given test plate (grey body) using emissivity apparatus.Specifications: 1.Diameter of the discs = 160 mm. 2.Thickness of the discs= 6 mmMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner 6. Determine the effectiveness and overall heat transfer coefficient for parallel flow arrangement.Specifications:1. Inner copper tube ID=9.5mm2.Inner copper tube OD=12.5mm3.Outer GI tube ID =28.5mm4.Outer GI tube OD = 32.5mm5.Length of the heat exchanger = 1500mmMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner 7. Determine the effectiveness and overall heat transfer coefficient for counter flow arrangement.Specifications:1. Inner copper tube ID=9.5mm2.Inner copper tube OD=12.5mm3.Outer GI tube ID =28.5mm4.Outer GI tube OD = 32.5mm5.Length of the heat exchanger = 1500mmMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

8. Determine the convective heat transfer coefficient by forced convection. Specifications: 1. Specimen: Copper pipe 2. Size of the specimen: I.D. 40 mm x 400 mm long 3. Orifice diameter: do=12.5 mm 4. G.I Pipe diameter : dp= 40 mmMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner

9. Determine the convective heat transfer coefficient by free convection.Specifications: 1. Length of tube = 450 mm 2. Diameter of the tube = 45 mmMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner

10. Conduct the performance test on two stage air compressor and draw the characteristic curves.Specifications: 1. Cylinder bore(LP Cylinder)D= 100mm 2. Stroke lengthL= 85 mm 3. Orifice diameter Do= 20 mm 4. Speed of air compressor N= 750 rpm 5. EMC =200 rev/kWhrMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner 11. Conduct the performance test on the vapour compression refrigeration system to determine(i).Theoretical COP and (ii) Actual COP.Specifications:1.Mass of Water =20 kg2.Sp.heat of water = 4.187 kJ/kgKMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

12. Conduct the performance test on the air conditioning system to determine(i).Theoretical COP and (ii) Actual COP.Specifications:1.Area of duct at outlet = 0.46 m x 0.086 m( m2)2.Cd= Coefficient of discharge = 0.623.g = Gravitational acceleration = 9.81 m / s24.w= Density of water = 1000 kg / m35.a= Density of air = 1.23 kg / m3 6.t = Time taken for n no of revolutions7.EMC= Energy meter constant =1200 rev/ kWhMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner

13. Determine the thermal conductivity of given materials and plot the radial temperature distribution of pipe insulation. Specifications : 1. Radius at which thermocouples (1-3) R1: 28 mm2. Radius at which thermocouples (4-6) R2:53 mm3. Radius at which thermocouples (7-9) R3 :78 mm4. Length of the specimen, L:50 cmMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner

14. Determine the effectiveness and efficiency of a pin-fin under natural convection mode and draw the variation of temperature along the length of the pin- fin.Specifications: 1.Duct size (L x B x W)= 150 mm x 100 mm x 150 mm2. Diameter of the fin d = 12 mm3.Length of the fin L = 150 mm4. Thermal conductivity of fin = 110 W/mK5.Coefficient of discharge Cd= 0.616.Diameter of the orifice D = 20 mmMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

15. Determine the Stefan-Boltzmann constant using the test set up and compare with standard value.Specifications:1. Mass of the disc= 0.005 kg.2. Dia. of the disc= 0.020 m.3. Material of the disc= copper 4. Cp= 381 J/KgKMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner

16. Determine the emissivity of the given test plate (grey body) using emissivity apparatus.Specifications:1. Diameter of the discs = 160 mm.2. Thickness of the discs= 6 mmMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner 17. Determine the convective heat transfer coefficient by free convection.Specifications: 1. Length of tube = 450 mm 2. Diameter of the tube = 45 mmMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner

18. Conduct the performance test on two stage air compressor and draw the characteristic curves.Specifications:1. Cylinder bore(LP Cylinder)D= 100mm2. Stroke lengthL= 85 mm3. Orifice diameterDo= 20 mm4. Speed of air compressorN= 750 rpm5. EMC =200 rev/kWhrMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner 19. Conduct the performance test on the vapour compression refrigeration system to determine(i).Theoretical COP and (ii) Actual COP.Specifications: 1.Mass of Water =20 kg 2.Sp.heat of water = 4.187 kJ/kgK 3.Refrigerant = R12Marks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner 20. Conduct the performance test on the air conditioning system to determine (i).Theoretical COP and (ii) Actual COP.Specifications: 1.Area of duct at outlet = 0.46 m x 0.086 m( m2) 2.Cd= Coefficient of discharge = 0.62 3.g = Gravitational acceleration = 9.81 m / s24.w= Density of water = 1000 kg / m35.a= Density of air = 1.23 kg / m3 6.EMC= Energy meter constant =1200 rev/ kWhMarks AllottedAim & Procedure(20)Formula& Tabulation(20)Observation / Readings(20)Model Calculation(20)Result &Graph(10)Viva voice(10)Total(100)

Marks Obtained

Internal Examiner