The head of the de partment in the company that you are working in asked you to make use chart provided for HFC-134a refrigerant Task.1 1. Determine the Refrigeration effect (RE), heat of compression (HOC), and heat of their corresponding rate/power values in kW
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Q: The food storage room requires a cooling system with a capacity of 10 tons of refrigeration that…
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Q: Refrigerant vapor rejects 70 kW of heat as it passes through an air-cooled condenser. The condenser…
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Q: b) An inventor designed a cooling device with an efficiency coefficient of 8.5 between -10°C indoor…
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Q: The food storage room requires a cooling system with a capacity of 15 tons of refrigeration that…
A: Write the given dat with suitable variables. RE=15 ton=52.75 kJ/s3.5167 kJ/s1 tonT1=-25.2 °CT2=39.2…
Q: temperature of -5°C and a condensing temperature of 40°C. Determine: a) refrigerating effect; b) The…
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Q: The food storage room requires a cooling system with a capacity of 10 tons of refrigeration that…
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Q: The food storage room requires storage of a cooling system with a capacity of 15 tons of…
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Q: A tank containing 200 kg of water was used as a constant temperature heat bath. How long would it…
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Q: The mass flow rate of the refrigerant in a Single Stage Vapor Compression (SSVC) refrigeration…
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Q: The food storage room requires a cooling system with a capacity of 15 tons of refrigeration that…
A: Given data as per the question Refrigeration capacity = 15 tons evaporator temperature = -17.5 ° C…
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Q: /AJ/ Prove for the condenser: Cpw (Tw2-Tw1) when the temperature of cooling water outlet and inlet…
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Q: The food storage room requires a cooling system with a capacity of 15 tons of refrigeration that…
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Q: Why are today’s refrigerators much more efficient than those built in the past?
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Q: Refrigerant vapor rejects 70 kW of heat as it passes through an air-cooled condenser. The condenser…
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Q: The heat removal rate from a refrigerated space and the power input to the compressor are 8.5kW and…
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Q: The coefficient of performance of a residential heat pump is 1.6. Calculate the heating effect in…
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Q: 1- 0.5 m/s of air at 30°C DBT and 18°C WBT enter a cooler coil , the surface temperature of it is…
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Q: of 60 kW. The evaporating temperature is -5degC and condensing te
A: givenT1 =5°Cx1=1v1=vg=0.061 m3/kgk1=247 KJ/kgs1 =0.94 KJ/kg-kT2 = =35°cP2 =Psat@ 35°c=1610 KPaP2…
Q: The food storage room requires a cooling system with a capacity of 10 tons of refrigeration that…
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Q: A refrigeration system uses a water-cooled condenser for rejecting the waste heat. The system…
A: Given data The heat absorbed by the system is qL=21000 Btuh The rate of water flow is m˙=1.45…
Q: 3. The food storage room requires a cooling system with a capacity of 15 tons of refrigeration that…
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Q: The food storage room requires a cooling system with a capacity of 10 tons of refrigeration that…
A: (a) Write the capacity of the cooling system. QR=10 TR=10 TR×3.5 kW1 TR=35 kW Draw the T-s…
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Q: The food storage room requires a cooling system with a capacity of 10 tons of refrigeration that…
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- Distilled water at 10deg C stands in a glass tube of 9.0 mm diameter at a height of 24.00 mm. What is the true static height in mm if the surface tesnsion is 0.0742 N/m. a.24 mm b.27.4 mm c.20.6 mm d.3.4 mmQ.1 a. Repeatability and reproducibility are ways of measuring precision, particularly in the field of engineering. i. What is an engineer's expectation when performing repeatability or reproducibility? ii. State a difference between repeatability and reproducibility in an experiment? b. Figure Q.1 shows the measurement data of two types of thermal transducers namely thermocouple. Турe E Туре К 6.8 4.2 20 40 60 80 100 Temperature Difference (°C) Voltage Output (mV)Convert 22C to Fahrenheit.
- O Estimate the MRR (in cc/sec) of an alloy containing 18% cobalt, 62% nickel and 20% chromium during ECM with current of 500 ampere. The density of the alloy is 8.28 g/cc. The following data is available. Metal Gram atomic weight Velency Cobalt 58.93 Nickel 58.71 2 Chromium 51.99 Assume Faraday's constant is 96500 coulombs/ mole.Formül; Tmaks T TL Gyab³G' }z5için c = c2 -(1 – 0,630b/a) M-(Izy .z= ly.y) + My(1.z – Izy .y) 4.ly – Izy Oz + dy, tan20, = Му vQ T- It 10 cm Og + dy x- Gy cos20 +Tysin20 , Jort= 2 2 2 600 N X Ly = *% sin20 + Eycos20 , omarsmin = 9s + Oy + , + r 14 cm B Tmaks + rảy Vertical load is applied to point B of a 10 mm radius cylindrical bar as shown in the figure. Calculate the shear stress occurring at point A. О 56,03 МPа O 53,48 MPa 49,78 MPa O 78,82 MPa 43.37 MPa2. For Pump Omicron, the pump performance data is shown in Table 2 below. Plot a curve of best fit Havailable versus Q from 0 Lpm to 30 Lpm. State the equation represented by the curve. On the same graph, plot the Hrequired versus Q and indicate the operating point. Table 2: Pump Omicron performance data Q (LPM) H (m) 0 46.5 46 42 37 29 16.5 0.0 5 10 15 20 25 30
- 3. Shell T46 industrial lube oil has a viscosity of about 46.5cSt. What is its viscosity in terms absolute viscosity? Density if the oil is 804kg/m3. TNO L-Warning Oil Condition Viscosity 40 C Viscosity @ 100 t D-445 46.5 45.5 45.0 44.3 <39.87 D-445 CSt 7.0 6.9 6.9 6.8 <6.12 Oxidation E-2412 Abs 3.8 4.1 3.8 3.7 Nitration E-2412 Abs 2.6 2.6 0.04 2.6 0.04 2.6 0.11 TAN ng KONg 0.06 D-974 D-4739 ngKOH TBN1. To determine the dynamic viscosity of a liquid you take repeated measurements of the liquid density and kinematic viscosity. These data are summarized in the following table: Avg. measurement Total Uncertainty P 999 kg/m³ ±0.5% V 1.23 mm²/s ±0.01 mm²/s kg Ns What is the dynamic viscosity? Give dynamic viscosity in units of; which is the same as ms 2. Determine the absolute and relative uncertainties in the dynamic viscosity.At a pressure of 0.01 atm, determine (a) the melting temperature for ice, and (b) the boiling temperature for water. You might want to use Animated Figure. (a) i °C (b) і °C
- Question 4 Viscosity. From studies of the flow of neutrophils in micropipets, it is possible to measure the apparent viscosity of the cytoplasm. From the data below, do you think the cytoplasm is Newtonian? If not, determine the rheological relationship that best describes the behavior of the cytoplasmic viscosity Shear rate (s1) Apparent Viscosity (Pa s) 450 0.111 1 137 2.70 97 5.75 58 7 5813. The presence of a defect in the material illustrated in the figure (http://aero.tu sofia.bg/~vlados/ae2test04.png) was determined using: 109 omniscan TEEN TEL 000 2419 IN EV O Eddy current testing. O Radiography testing. O visual testing. Ultrasonic testing. KAU 1919 0:4 45 AProject 1 100 20. 150 200 250 300 350 400 450 500 550 600 650 QUPIDHFC-134a 700 200. 10. 8. 0.00124 o 0013 -0.0014 r0.0016 - 00018 0.0020 Pressure-Enthalpy 0.001 0.0030 6. Diagram 100. volume - 0.0040 mikg 80. (SI Units) 4. 0.0060 60. 0.0080 0.010 40. 2. 0.015 0 020 20. 1. O 030 0.040 0.8 10. 8. 0.6 0.060 0.4 0080 010 0.2 0.15 020 0.1 0.08 030 0.40 0.06 1. 0.8 0.60 0.04 O80 0.6 1.0 0.4 0.02 15 20 0.2 0.01 100 150 200 250 300 350 400 450 500 0.1 700 550 600 650 Enthalpy (kJ/kg) Refrigerant HFC-134a as the working fluid (the P-h chart is attached to this activity look at page 3) - Ideal cycle operation condition is assumed Cycle is operated at high pressure line of 0.8 MPa Cycle is operated at low temperature line of – 10° C Flow rate is 0.1 kg/sec Task.1 1. Determine the Refrigeration effect (RE), heat of compression (HOC), and heat of rejection (HOR) and their corresponding rate/power values in kW. 2. Estimate the COPR 3. Determine the low-pressure line value. Pressure (bar) 4. 2. OPद…