Answered: A heat engine with a thermal efficiency…

A heat engine with a thermal efficiency of 40 percent rejects 1,000 kJ/kg of heat. How much heat (in kJ/kg) does it receive?

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 27RQ: How many Btu/h would be produced in a 12-kW electricheater?

See similar textbooks

Related questions

Q: A single axial load of magnitude P = 58 kN is applied at end C of the brass rod ABC. Knowing that E=…

A: Load, P = 58 kNYoung's Modulus, E = 105 GPaDeflection of point C = 3 mm = 0.003From the figure,LAB =…

Q: Calculate the resistance coefficient K for a check valve swing type placed in a 6 inch schedule 40…

Q: 1. Draw free-body diagrams (FBDs) for the specified rigid bodies. Then, write the coordinates of…

A: Given:2 structures.To find:(a) Draw free body diagram of each.(b) Write the coordinates of each…

Q: Liquid A is known to have a lower viscosity and lower surface tension than Liquid B. Use these facts…

A: Liquid A is having lower viscosity and lower surface tension than liquid B.Predict the outcome…

Q: 15. A steel joist has a span of 6 m and the ends are simply supported. The joist has a mass of 52…

A: To determine:a) The natural transverse vibrations of the joist when mass is neglected.b) Frequency…

Q: Replace the force and couple moment system by an equivalent resultant force (Figure 1). Assume F1 =…

Q: Determine the force in each member of the loaded truss. All triangles are isosceles Forces are…

Q: An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the beginning…

Q: Problem: Draw a pneumatic valve circuit to implement the function - T = A.B.C + A.C' + B.C'.

A: To find:Pneumatic valve circuit to implement the function.

Q: What is the location of FR, i.e., the distance d? (a) 2 m, (b) 3 m, (c) 4 m, (d) 5 m, (e) 6 m. 3 m 3…

A: To determine:The location of FR ie the distance d.

Q: A GEO spacecraft holds 700 kg of oxidizer. If the density of nitrogen tetroxide is 1440 kg/m^3 and…

Q: Problem 1. If the diameter of the shaft decreases by 0.0006in, E = 28000ksi, and v= 0.225, determine…

A: If the diameter of the shaft decreases by 0.0006in,E = 28000ksi, and v = 0.225,Diameter of shaft (d)…

Q: For the given loading system, find the equivalent resultant force and couple moment acting at point…

A: Two types of load are acting on the two goven beams.To determine:The equivalent resultant forceThe…

Q: For the stress shown below, determine the cross-sectional areas of bars BE, BF and CF so that the…

A: For the stress shown below,Determine the cross-sectional areas of bars BE, BF and CF so that the…

Q: Q1) The stress function (x) for the cantilever beam as shown in the figure is given by: $(x) = ² (…

A: Given:To find:

Q: Determine the forces in members CH and CF. The forces are positive if in tension, negative if in…

A: Determine the forces in members CH and CF.The forces are positive if in tension, negative if in…

Q: 3) The lift force on an airplane's wing is given by the distributed load w(x)=-15(1-0.04x²) kN/m and…

A: The distributed load on the wing is given by The weight is given by

Q: the answer is wrong. I'm following your work arrive ot the same answer but its still wrong

Q: How did you get the Tsat values

A: This question is based on the properties of water at different temperatures and pressure.

Q: Required information A rotating step shaft is loaded as shown, where the forces FA and FB are…

A: To Find:The minimal acceptable diameter.Given:The force The Torque alternates from "O" The value of…

Q: An engineered wood beam (Figure 1) will replace a portion of a structural wall as part of a house…

A: given- L= 18ft, w=835lb/ftwidth of flange=6inthickness of flange=1indepth of web=18inthickness of…

Q: m₂g(M+m₁+m₂) 5. Considering the buggy shown below, prove that the force applied is m1 given that the…

A: Mass of blocks are m1 and m2.Mass of cart is M.To prove-

Q: 7) Sailboat travels at a speed 20.0 km/h on Georgian Bay in a direction 30.0° west of north with no…

Q: How does hardness relate to plastic deformation

A: As per the guidelines we are subjected to solve only one question at a time. Please repost the other…

Q: Q1/ The stress array for the torsion problem of a circular cross section bar of radius a and with…

A: The stress array for the torsion isThe radius of circular bar is

Q: Fruit is impeded from ripening when it reaches high temperatures (>32°C). Farmer Joe is worried that…

A: The thermal conductivity of of husk is The radius of fruit is .The inner radius of husk is .The…

Q: A piston-cylinder device whose piston is resting on top of a set of stops initially contains 0.6 kg…

A: Given:The mass of the helium gas is m=0.6 kg.The initial pressure of the helium gas is P1=100…

Q: Example 2 Which of the two aircrafts in the figure flies at a supersonic speed? Air 220 K V = 320…

A: According to the information given, both airplanes are traveling at the same speed of 320 m/s. The…

Q: Please do solve asap. u- value is 1.1 find the heat loss of Q through a 150 sqare foot window if its…

A: To Find:The heat loss.Given:the factor is the area of the window is the indoor temperature is the…

Q: Problem 4. Figure P4 depicts a filleted cantilever spring. Find the largest bending stress for two…

A: Given data:Need to determine the largest bending stress.

Q: counterflow double-pipe heat exchanger is used to heat water from 20 deg * C to 40 deg * C with ahot…

A: The inlet temperature of water is .The outlet temperature of water is .The inlet temperature of oil…

Q: Problem 70. The cars of an amusement-park ride have a speed v₁ = 90 km/h at the lowest part of the…

Q: Use direct formula with brief explanation. The following results were obtained from a test on a…

Q: A sample of ideal gas weighs 0.55 kg, its PM=32 g/mol and is initially at 109.4 F and 705 lb/in^2.…

Q: A 40 lb weight swings on the end of a 7 ft rope. When the rope makes an angle of 0 = 20° the weight…

Q: W Derive the following equation? 0.622ФР. 8 P Р – ФР

Q: A plastics plant manufactures larges pieces of plastic by continuously extruding thin sheets. As the…

A: Given:To find:(a) Rate of heat transfer via convection and radiation.(b) Temperature of the plastic…

Q: a) Coolant flowing through a radiator at the rate of 3 kg/s are cooled from 105 0C to 81 0C. The…

Q: 2. There are three pillbox hats labelled as shown containing toothpaste such that the masses of hats…

Q: The cylindrical tank with a spherical endcap has an outer radius of 2 m and a wall thickness of 25…

Q: 1. Draw free-body diagrams (FBDs) for the specified rigid bodies. Then, write the coordinates of…

A: Given:2 structures.To find:(a) Draw free body diagram of each.(b) Write the coordinates of each…

Q: 3. A uniform, 200-kg plate is kept in static equilibrium by two hinges, A and B, and a single cable,…

A: The mass of plate is DCE is a single cable.

Q: A certain Batch manufacturing plant requires one operator to tend to 2 semiautomatic machines used…

A: to determine:the hourly cost of the systemGiven:the operator is paid per hour.machine 1machine…

Q: 2) Consider the beam pictured here and determine the internal forces and moment at point A.

Q: Consider the beam and loading shown in the figure. Given: P = 451 lb. A 4 ft P C 8 ft- DV Draw the…

A: Given:To find:Draw the shear force and bending moment diagrams.

Q: A winch, located at M, pulls a box up an incline with a cable. The distance from the box to the…

A: Given:To find:Speed of the box when it reaches the winch M.

Q: A cantilever beam is subject to the loading shown in Figure 1. Use positive convention for the…

Q: Determine the enthalpy energy change Ah of oxygen, in CV to US US Op

A: To determine the enthalpy change in oxygengiven temperature

Q: An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air…

A: The compression ratio of otto cycle is .The initial pressure is .The initial temperature is The heat…

Q: What is the compression force on S1 if lumbosacral angle is 50 degrees? What is the pressure if the…

A: The forces are given Draw the free body diagram,

Question

100%

Please show the work as simple as possible. Do not copy paste

A heat engine with a thermal efficiency of 40 percent rejects 1,000 kJ/kg of heat. How much heat (in kJ/kg) does it receive?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Write the given data.

VIEW

Step 2: Calculate the heat received by the heat engine.

VIEW

Solution

VIEW

Step by step

Solved in 3 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

A heat engine must provide 1000 Watts of power. Assuming it has an efficiency of 0.32, how much heat must be supplied to the engine, in Watts?
A heat engine must provide 1000 Watts of power. Assuming it has an efficiency of 0.35, how much heat must be rejected by the engine, in Watts?
A heat engine with a thermal efficiency of 45 percent rejects 1500 kJ / kg of heat. How much heat does it receive?
The thermal effiency of a general heat engine is 35 percent, and it produces 60 hp. At what rate is heat transferred to this engine, in kJ/s?
1. Is a temperature difference necessary to operate a heat engine? State why or why not. 2. Definitions of efficiency vary depending on how energy is being converted. Compare the definitions of efficiency for the human body and heat engines. How does the definition of efficiency in each relate to the type of energy being converted into doing work? 3. Why-other than the fact that the second law of thermodynamics says reversible engines are the most efficient-should heat engines employing reversible processes be more efficient than those employing irreversible processes? Consider that dissipative mechanisms are one cause of irreversibility. 1. (a) What is the efficiency of a cyclical heat engine in which 75.0 kJ of heat transfer occurs to the environment for every 95.0 kJ of heat transfer into the engine? (b) How much work does it produce for 100 k) of heat transfer into the engine? 2. The engine of a large ship does 2.00×10°J of work with an efficiency of 5.00%. (a) How much heat…
A canister of sevoflurane, an inhaled anesthetic, is warmed to room temperature over the course of 30 minutes. As the gas warms, it pushes on a movable piston with a force of 623 mN, increasing the volume of the gas by 16 cm^3. How much work was done by the gas? A. 0.03 CJ B. 0.27 CJ C. 2.7 CJ D. 270 CJ
If the energy crossing the boundary of a closed system is not heat, it must be work?
A heat pump with a coefficient of performance of 3.5 provides energy at an average rate of 70000 kJ/h to maintain a building at 20 °C on a day when the outside temperature is -5 °C. If the electricity costs 8.5 cents per kWh. Assume heating is 24 hours a day. (1) Determine the actual operating cost in $/day. (2) Determine the minimum theoretical operating cost in $/day.
An office heater puts out 2090 Btu (British thermal units) of energy in the form of heat per hour. Given that 1 Btu=1.055 kJ,how many megajoules of energy in the form of heat can be produced per year (365 days) by the heater, assuming continuous operation?
(b) A heat engine with a thermal efficiency of 40 percent rejects 1000 kJ/kg of heat. Determine the amount of heat it receives.
A heat pump is used to extract heat from the outside atmosphere to heat the inside of a building. On a day when the outside air temperature is Tc°C, the heat pump is operating to a COP of 3.7, maintaining the inside temperature of the building at Th°C. If the building is losing heat at the rate of 53,709 kJ/hour in these conditions, determine how much power (kW) must be supplied to a heat pump? Keep two decimal places
A heat pump with a coefficient of performance of 3.5 provides energy at an average rate of 70,000 kJ/h to maintain a building at 20 deg C on a day when the outside temperature is -5 deg C. If electricity costs 8.5 cents per kWh, (a) determine the actual operating cost and the minimum theoretical operating cost, each in $/day. (b) compare the results of part (a) with the cost of electrical-resistance heating.