A Carnot engine requires 35 kJ/s from the boiler. The engine produces 15 kW of power and the temperature of the heat sink is 26°C. Determine a. Temperature in the boiler b. Rate of heat discarded into the heat sink C. QH and Qc for the same work produced and 80% of maximum efficiency

Q: Q2/ A vapor-compression refrigeration system operates on the cycle. The refrigerant is…

A: Given that a vapor-compression refrigeration system operates on the cycle.  The cycle flow diagram…

Q: Refrigerant 134-a enters the condenser of a residential heat pump at 800 kPa 35 C at a rate of 0.018…

A:

Q: Problem 1.29 (modified), Masters and Ela, Introduction to Environmental Engineering and Science, 3rd…

A: Note: Since you have posted multiple questions with multiple sub parts, we will provide the solution…

Q: the rate of 65 kg/min through a double pipe counter flow heat exchanger. Water is eated from 50 C…

A:

Q: Q5: Determine the COP of a refrigerator which removes heat from the food compartment at a rate of…

A: WE KNOW THAT.  COP of a refrigerator =Heat remove from the food compartmentpower it consumes =  QW…

Q: A power plant was analysed based on Carnot cycle, the evaporator supplie 412 kJ of heat per cycle at…

A:

Q: H.W: An I.E C3H16 (0.00004 kg) in each cylinder during cycle Combustion start T=600K & p=2000 Kpa…

A: In combustion reaction the heat energy is released with the combustion product. Therefore, the molar…

Q: A Carnot cycle is executed using helium in a closed system between the temperature limits of 350 and…

A: ⇒1-2 : reversible isothermal expansion     2-3 : reversible adiabatic expansion     3-4 : reversible…

Q: Q2/ A vapor-compression refrigeration system. The refrigerant is R134a for operating conditions,…

A:

Q: 20,000 lb/hr of air is to be cooled from 150°F to 100°F by water flowing in a shell- and-tube heat…

A:

Q: a. Determine the log mean temperature difference (°C) if the brine outlet temperature is -10°C (i).…

A: Given: Capacity of heat exchanger Q = 100 kW Inlet temperature of water Thi = 15 oC Outlet…

Q: 45 kg/h liquid propylene will be cooled from 300 K to 288 K by chilled water through a shell and…

A: Heat capacity of liquid propylene at 294 K is 2.6 kJ/kg-KCp-pl = 2.6 kJ/kg-KFlow rate of liquid…

Q: Consider a steam power cycle operating according to the simple ideal Rankine cycle. The steam enters…

A: Hello. Since your question has multiple parts, we will solve the first question  for you. If you…

Q: A small domestic heater is used to raise the temperature of 1.8 litres of water from 5 to 100!C…

A:

Q: At steady state, a power cycle develops a net power output of 20kW while receiving energy by heat…

A:

Q: A. Identify the type of thermodynamic systems involved and the heat and work flows and their…

A: Hi, since there are multiple questions posted, we are allowed to answer one question per submission.…

Q: A tank contains 50 litres of water at 20C. An electrical heating element is switched on and the…

A: Given:  volume of water = 50 L = 0.05 m3             Density of water = 1000 kg/m3           mass of…

Q: Draw only the schematic diagram and T-S diagram.

A:

Q: 3) Steam is produced in a boiler using liquid water as the feed. The boiler operates at 100 kPa. The…

A: Given: Inlet Water Temperature  = T1  = 40 oC  = (40+273) K  = 313 K  Outlet Steam Temperature  = T2…

Q: 600 kW of heat is removed from a heat exchanger with 200 mol/s formaldehyde flowing through. The…

A:

Q: .0- A (165 MW) Electric power is generated in a Reheat-Regenerative steam power plant. The outlet…

A: Given  Electric Power Q=165 MW Outside steam rate  sT=3.95 kg/(kW⋅hr) at 40bar and 350°C Feed water…

Q: The dual combustion cycle uses a compression ratio of 12:1. The cut off ratio is 2:1. If the…

A: Give data The compression retio,(r)=12 The cut off redio= 2 The inlet temperature=273K The inlet…

Q: Air enters an insulated compressor at ambient conditions, 100 kPa, 20C at the rate of 0.2 kg/s and…

A: Given: P1 = 100kPa T1 = 273+20 = 293K m = 0.2kg/sec T2 = 500K n= 70% Cpo= 1.004kJ/kg.K

Q: 1. A cylindrical nuclear fuel element (k=34 W/m-K) has the following dimensions: D= 6 cm and L=40…

A: Given: Thermal conductivity of cylindrical nuclear fuel element (k) = 30 W/m-K Diameter (D)= 6…

Q: A 0.42 mở rigid tank contains refrigerant-134a initially at 160 kPa and 40 percent quality. Heat is…

A: Given A rigid tank V=0.42m3 Refrigerant-134a P1=160kPa x= 0.4 P2=700kPa Find Total amount of heat…

Q: steam power plant

A:

Q: (a)The efficiency of the cycle (b)The amount of useful work that the machine produces (c)The heat…

A:

Q: Show the COMPLETE SOLUTIONS and DIAGRAM (T-s) (Cycle) including the switching of table and…

A: Consider a small power plant that produces the steam at 3 MPa and 600oC  temperature in the boiler.…

Q: Experiments have shown that, for airflow at T = 35°C and V₁ = 100 m/s, the rate of heat transfer…

A:

Q: A shell and tube heat exchanger with one shell pass and two tube passes is to be designed to meet…

A: In heat transfer, the heat exchanger is equipment that is used to heat transfer from one flid to…

Q: A heat pump with a COP = 3 delivers heat to a building that has a UA = 15,000 Btu/hr-ºF. The heat…

A: COP of a heat pump is defined as the relationship with the power  that is drawn out of the pump with…

Q: Compare the COPs for an R-404a vapor-compression cycle, assuming Tcond = 45°C, Tevap = -5°C, Q =…

A:

Q: 3. An engineer intends to use a simple double pipe counter flow heat exchanger to preheat process…

A:

Q: 4. A manufacturing engineer claims that a concentric tube heat exchanger with a heating surface area…

A: Given, hot fluid(HF)= gas and cold fluid(CF) = water For the hot fluid, Tin = 300oC, Tout= 20oC. m1=…

Q: which is the more effective way to increase the thermal efficiency of a carnot engine: to increase…

A: In thermodynamics, A thermodynamic cycle consists of a linked sequence of thermodynamic processes…

Q: Refer to the figure. What is the thermodynamic efficiency of the engine? O 0.80 O 0.60 0.50 O 0.70…

A: From the figure we have, TH = 1000 K TC = 200 K QH = 10 J