Calculate how many liters of hot water at 50 ⁰C temperature can be produced on March by a 4 m² solar collector placed in a seaside area in Istanbul according to the  winter application. System efficiency is 53%, the mains water temperature is 12 ⁰C

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Q: . Consider a natural gas with a molar composition of 92% methane, 5% ethane and 3% propane. An…

A: given,T1=300 KT2 = 320 KP1 =1 barP2 = 300 barsheat removed = 875 kWflow rate = 0.4 kg/s

Q: Calculate how much heat in J has to be added to a sample of an ideal monoatomic gas at a pressure of…

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Q: An electrical power supply of 275W is required to run a refrigerator and to keep the temperature of…

A: Inside temperature T2=4.5oC=277.5 K, initial temperature T1=31oC=304 K and power supply P=275 W.…

Q: An ideal gas initially at 300 K undergoes isobaric expansion at 250 kPa. If he volume increases from…

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Q: The food storage room requires a cooling system with a refrigeration capacity that operates at an…

A: Given data: TL=-17.8°C    =-17.8+273=255.2 KTH=28°C    =28+273=301 K Need to determine the COP.

Q: A 10 kJ of heat is added isothermally to a piston-cylinder arrangement containing 0.5 kg nitrogen.…

A: Given that, The amount of heat added, Q = 10 kJ. The mass of the nitrogen, m = 0.5 kg. The initial…

Q: . The following are the Heat rate curves pertaining to three units in a plant. Unit 1: Min 250 MW,…

A: Solution: Given, F1 = 7870+82.2P1+0.01862P12F2 = 6500+27.5P2+0.0154P22F3 = 4136+65.64P3+0.03784P32…

Q: In an Isobaric process ( P =  2.0x105 Pa), increasing the temperature of 10.0 g of  liquid water by…

A: P =  2.0x105 Pa temperature =15oC mass = 10 g change in volume = 1.0 x 10-8m3

Q: How much heat energy does it take to boil 2.35 kg of water at 100oC completely to steam at 100oC ?…

A: As temperature of water is100° C, only latent heat of vaporization is required to convert the water…

Q: (a) How much power is radiated by an iron sphere (emissivity e = 0.60) of radius 24 cm at a…

A: (a) Calculate the power radiated by the iron sphere. Qt=σeAT4    =5.64×10-8×0.60×4πr2205+2734…

Q: In a one-shell and two-tube heat exchanger, cold water with inlet temperature of 20°C is heated by…

A: Consider that the heat exchanger is completely insulated.   The temperature variation occurs in 1-D…

Q: A freezer is to convert 1.5 kg of water at 27.9°C to 1.5 kg of ice at -4.42°C. If the coefficient of…

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Q: What is the work done in adiabatic process when pressure is 2 atmosphere at 20°c

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Q: An electric kettle is rated with a Power 2.2kw. It is filled with 1.5kg of water at 12°c as measured…

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Q: Question 6 ( A closed system having a weight of 85 lbs. has an initial velocity of 30 ft/s. Its…

A: Solution:-Given thatmass (m)=85 lbsinitial velocity (v1)=30 ft/sfinal velocity (v2)=80 ft/schange in…

Q: A copper block is removed from 310ºC oven and immediately dropped into 3.75 L of water at 20ºC.in an…

A: Given - Volume of water ,  V = 3.75 L Initial temperature of water , Ti = 20°C Final temperature of…

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Q: If the plant operates at 50.0% of its maximum efficiency and its power output is 1.23 × 108 W, at…

A: The given data are: TH=540 KTL=313 KQH=1.23×108 W Here, TH is the higher temperature, TL is the…

Q: n large gas turbine facilities, a heat exchanger called air regenerator is preheated by using the…

A: The Outlet Temperature can be calculated by balancing the energy , where the final enthalpy is to be…

Q: a) The mass flow rate of air through the turbine b) The diameter of the turbine exit pipe in (cm)…

A: Given: Air enters steadily a turbine at 2 MPa and 400 Degree C  Velocity=200 m/s exists at 100kPa…

Q: Calculate the work done by 1.10 mol of ideal gas that is kept at 291 K during an expansion from…

A: Since the temperature is kept constant, the process is isothermal. The equation for the work done in…

Q: A 50g ice cube at 0 0C is heated until 45ghas become water at 100 oC and 5g has become steam at100…

A: The heat required to melt the ice to cold water is

Q: A home owner has a leaky bathroom faucet. If her faucet leaks 0.5 L/min and her water is heated to…

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Q: nic proce. increase C estima

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Q: .... The increase in internal energy is One mole of water at a pressure of 1013 N/m2 and a degree…

A: Given Number of a mole of water (n)          = 1 Pressure (P)…

Q: 3-15. Twenty lb of air in a piston-cylinder assembly undergoes a process at a constant pressure of…

A: Given : Pressure = 20 lbf/in², temp. = 180°F and volume = 170 ft³ To calculate the amount of energy…

Q: What happens to the internal energy of a gas during an adiabatic expansion?

A: In an adiabatic process, there is no heat transferred.

Q: How long in minutes does it take a 1000W electric kettle to bring 1.0L of water to the boiling point…

A: A) Power = 1000 W volume of water = 1 L initial temperature = 15oC mass of iron = 400 g Efficiency =…

Q: Suppose that a stove had a surface area of only 1.97 m2 . What would it's temperature (in kelvins)…

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Q: Calculate how much heat in J has to be added to a sample of an ideal monoatomic gas at a pressure of…

A:

Q: A sample of 0.1g of water at 100°C and normal pressure (1.013 x 10°Nm¯²) requires 54 cal of heat…

A: Given :             Water Vwater = 0.1 g = 0.1 cc             Pressure P = 1.013 ×105Nm-2…

Q: A Carnot refrigerator is maintaining foodstuffs in a refrigerator area at 4.44°C by rejecting heat…

A: This is based on thermodynamical principle and working of refrigerator.

Q: Air (p = 1 bar) flows in a pipe with a diameter of 25 cm (length 12 m) with an average flow speed of…

A: Introduction: Heat transfer is the process of transferring of heat from higher temperature system…

Q: A fruit juice at 30°C with 5% total solids is being concentrated in a single-effect evaporator. The…

A: The system can be represented as,