A Carnot heat engine operates between a source at 1000 K and a sink at 300 K. If the heat engine is supplied with heat at a rate of 800 kJ/min, determine the thermal efficiency 70% O 72% O 75% O 80% O

A Carnot heat engine operates between a source at 1000 K and a sink at 300 K. If the heat engine is supplied with heat at a rate of 800 kJ/min, determine the thermal efficiency 70% O 72% O 75% O 80% O

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

Chapter45: Domestic Refrigerators And Freezers

Section: Chapter Questions

Problem 12RQ: Refrigerators currently being manufactured in the United States are using______as their refrigerant.

See similar textbooks

Related questions

Q: 2- The need of turbocharging system is a) heat up combustion chamber c) speed up the intake air 3-…

A: Answers : Q2- (d) Increase oxygen molecules Q3-(b) DOH camshft

Q: Q3/ A cylinder fitted with a frictionless piston contained an ideal gas, with a volume of 23 m²,…

A: The system in this problem is a closed system where an ideal gas is contained in a piston cylinder…

Q: A particle which moves with curvilinear motion has coordinates in millimeters which vary with the…

Q: 1. (Choose incorrect sentences) a. High carbon steel (ferrous alloys) b. Brass (non ferrous alloys)…

A: Given Strength of material To find Verify the statement

Q: ii- The enthalpy of a perfect gas is equal the specific heat at constant pressure times th absolute…

Q: There are different states in a 4-bit Johnson counter

A: There are 8 different states in a 4-bit Johnson's counter. Option B is correct.

Q: 5) A rail road bumper is designed as a spring What is the bumper's damping coefficient such of 1.25,…

Q: Find the temperature of a rod 0 < x < 1 thermally insulated along the surface, if heat sources of…

Q: B) The laminar flow velocity profile in pipe for Newtonian fluid is given by: u₂ = 20 [1-(²) Ux…

Q: Q1) The angular velocity of the radar gun at point O is = 0.2 rad/s when 0-40°, and the radius of…

A: Given data: θ˙=0.2 rad/sθ=40°r=500 m Need to determine the radial, transverse and magnitude of the…

Q: 3 A wheel of radius 0.3 m travels with constant speed 30 m/s around a track of radius 30 m. What is…

A: as per guideline i have to solve only first part of the question

Q: > Determine the reactions in C on member ACD as shown in figure? 800 KN 5 m + E 4m 6 m D (2 8 m 600…

A: For solution refer below images.

Q: Compute the moment of the 100-lb force about A, (a) by using the definition of the moment of a…

A: Given that: Magnitude of the force = F = 100 lb It is acting at B at 60 o It is required to…

Q: An electric power plant operating on the Carnot cycle puts heat into a river with a water…

A: ◆ The maximum temperature of the working material supplied to the electric power plant is 207 ℃. ◆…

Q: Find the resultant of two forces shown in Figure and its direction with X axis using Sine and Cosine…

A: To determine the resultant of the loading and its magnitude.

Q: The following engineering operations have five potential hazards to be aware of. 1 Validation of…

A: Given Parameter = requirement To find Potential hazards

Q: Q1: (a) Draw a network diagram of the following project activity A B C D E F G Preceding activity A…

A: For solution refer below images.

Q: ..) Determine the resultant of forces system shown in Figure below and locate it with respect to…

A: The resultant force: The resultant force provide the same effect as of force system.

Q: The two springs are identical, with unstretched length 0.4 m. When the 150-kg mass is suspended at…

Q: 1 kg water at velocity 12.5 m/s and 30oC enters a 2.54 cm diameter horizontal pipe where there is no…

Q: Determine the actual air-fuel ratio of Butane (C4H10) with 200% stoichiometric air (100% excess…

A: Air fuel ratio = 3.25

Q: Applying Clausius inequality to determine the minimum heat rejected if (300000 W) heat supplied to…

Q: I X,Lt) Ţ X₂ (t) ²k₁ = k m₁ = m { K₁=k ww M₂=M { K3=2K THTFILT The spring constants are K₁=k, K₂=…

Q: * in the Compaction Test (Standard Proctor Test), the soil is compacted by a 7.8 lb hammer O 5.5 lb…

A: given; In the compaction test (standard proctor test) , the soil is compacted by a;

Q: A bar produces a lateral strain of magnitude 60x105 m/m when subjected to a tensile stress of…

Q: Steam at 320 °C and 80 bar enter Nozzle with velocity 70 m/s and leaving by temperature is 100 °C,…

Q: A rigid beam is being supported by three suspender bars made of bronze and loaded as shown in the…

Q: Find the resultant of two forces hown in Figure and its direction with X axis sing Sine and Cosine…

Q: A closed vertical cylindrical vessel, 1.80m in diameter, 3m high is 8/10 full of oil (SG=0.85) and…

A: DISCLAIMER FOR MULTIPARTSince you have posted a question with multiple sub-parts, we will solve…

Q: B) Write the actual combustion equation for the following cases: a. CH3OH with air at p = 1.0; 4 b.…

Q: Vibration is a study of forced movement only Ture O False O

A: Vibration is the analysis of both the free and forced movements of springs, dampners, etc.

Q: The low efficiency of a system means an extra heat energy was added Ture O False O

Q: Consider the stress state illustrated in the figure, which involves a normal stress of 40[MPa] in…

Q: PROBLEM: A hemispherical open tank used for concentration of sulfuric acid (Sp. Gravity=1.25) is…

Q: For the truss shown in Fig. 4, determine the force in member AD using the method of consistent…

Q: Consider a blackbody at 300K with maximum emissive power. Calculate the wavelength (μm) of the…

A: In the graph of emissive power and wavelength of the radiation, it is observed that at a particular…

Q: Compute the moment of the 100-lb force about A, (a) by using the definition of the moment of a…

Q: B-Prove that the entropy is a property

A: Property is always independent on path of thermodynamics process. It only depends on end state.

Q: Resistance-welding processes make use of the heat generated electrical resistance to achieve fusion…

A: Resistance-welding processes make use of the heat generated by electrical resistance to achieve…

Q: Silicone, aluminum, magnesium :and oxygen are

A: To find correct option

Q: Considering that there is no friction in the system if the weight of the vehicle shown in the form…

Q: Determine the reactions in C on member ACD as shown in figure? 800 KN 5m wy D 600 KN

A: Given

Q: ***) Determine the resultant of forces system shown in Figure below and locate it with respect to…

Q: In Fig. 3, determine the smallest vertical force P required to push the wedge between the two…

Q: Applying Clausius inequality to determine the minimum heat rejected if ( 300000 W) heat supplied to…

A: Given data: QS=300000 WTH=300°CTL=20°C Need to determine the minimum amount of heat rejected.

Q: Q2: Steam at 7 bar, dryness fraction 0.96 is throttled down to 3.5 bar calculate the change of…

Q: 1. A Carnot engine operates at a temperature between TH = 850 K and TL = 300 K. The engine produces…

Q: B- Determine the heat transfer (in kJ) necessary to increase the pressure of 70 percent quality…

Q: Ţ xilt) I X₂ (t) ww T ²k₁ = k m, m { K₁=k M₂=M { K3=2K THIFFITTT The spring constants are K₁=k, K₂=…

Q: , Determine the reactions in C member ACD as shown in figure? 800 KN 5m 4m 6 m D 8m 600 KN 3 m

Question

* A Carnot heat engine operates between a
source at 1000 K and a sink at 300 K. If
the heat engine is supplied with heat at a
rate of 800 kJ/min, determine the thermal
efficiency
70% O
72% O
75% O
80% O

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

VIEW

Step 2

VIEW

Step by step

Solved in 2 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

Provide complete solution and detailed diagram. The thermodynamic efficiency of a heat engine that rejects heat at a rate of 20 MW when heatis supplied to it at a rate of 60 MW is: A. 33.3% B. 50% C. 66.7% D. 75%
Provide complete solution and detailed diagram. A refrigerator is to remove heat from the cooled space at a rate of 300 KJ/min to maintain itstemperature at - 8oC. If the air surrounding the refrigerator is 25oC, determine the minimum powerrequired for this refrigerator? A. 0.263 kw B. 0.473 kw C. 0.623 kw D. 0.984 kw
A heat engine has a thermal efficiency of 70%. During each cycle the engine does 400J of work. What is the magnitude of waste heat rejected to the low temp reservoir?
In a meat processing plant, it is required to cool 1500 kg of beef whose specific heataverage is 3.14 kJ/kg-°C to lower its temperature from 39 °C to 2 °C in 14 hours. It is required to estimate theenergy requirements necessary for meat cooling capacity, assuming that the cooling systemRefrigeration operates on an ideal vapor compression refrigeration cycle. A refrigeration unit is chosenwith refrigerant 134a with a condenser pressure of 1.4 MPa and an evaporator pressure of 240 kPa.Assume that the refrigerant enters the compressor as a saturated vapor and leaves the condenser as a saturated liquid.Calculate:a) The COPR or CDFR,b) The mass flow of the refrigerantc) The energy dissipated into the atmosphered) The cost of annual electrical energy, if the plant will operate with a load factor (FC) of 85% (100%-FC =8760 h/year). Consider the unit cost of electrical energy of $2.6 per kWh and the efficiency of the system90% motor-compressor.
A refrigeration system operated on an ideal vapor-compression using R-12 with a vaporizing temperature of -10 degrees Celsius and a condensing temperature of 30 degrees Celsius, it requires 15 hp to drive the motor of the compressor. Find the ff: Enthalpies at each point of the cycle in kJ/kg Refrigerating Capacity in TOR • Mass of the Refrigerant in kg/s Percent Quality in the mixture Heat Rejected in kW Coefficient of Performance • Schematic and P-h Diagram
A heat pump operates with Refrigerant 134a as the working fluid. You are required to analyze its performance, and compare it with Camot heat pump. The data of the heat pump is as under: 23 - Thermodynamies-II Page 1 of 3 The heat pump is presently providing heating at a rate of 12 kW to maintain the interior of a building at 20°C. Outside temperature is 5°C. The refrigerant enters the compressor at 2.4 bar and increases the pressure to 8.0 bar. Efficiency of the compressor is 80%. a Temperatures at the principal states of the cycle, each °C b. Power input to the compressor, in kW c. Coefficient of performance Relate its performance with the specifications provided by the vendor i.e. COP = 8.5 and identify the possible reasons of differences. Draw Ts diagram
please answers fasterrr An ice-making machine in Restoran Syed operates on the vapor-compression refrigeration cycle. Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.13MPa and a °C at a rate of 0.13kg/s, and it leaves at 0.7 MPa and b °C. The refrigerantis cooled in the condenser to c°C and dMPa, and it is throttled to 0.14MPa. Disregarding any heat transfer and pressure drops in the connecting lines between the components, show the cycle on a T-s diagram with respect to saturation lines, and determine;i.the rate of heat removal from the refrigerated space,ii.the power input to the compressor, iii.the isentropic efficiency of the compressor, and iv.the COP of the refrigerator.v.if the compressor has no irreversibility, how about the COP?vi.Justify the difference between ideal and actual cycles. a= -8 b= 49 c= 25 d= 670
التاريخ show that if two bodies of thermal Capacities C and C at temp. brought to the a reversi ble heat engine , then eratures T and Tz are Same tomperature T by means of a In T= c, In Ti + Ca ln Ta C+C2
A power plant was analysed based on Carnot cycle, the evaporator supplie 553 kJ of heat per cycle at 522°C and condenser cooling fluid was maintained1- at 26°C. Determine the thermal efficiency of this Carnot engine in percentage? Provide answer to 1 decimal place and insert the unit symbol. 1 °C is 273K in this question if required.
A parameter used to characterize the heat pump cycle performance is called the thermal efficiency. True or False?
A power plant was analysed based on Carnot cycle, the evaporator supplie 474 kJ of heat per cycle at 510°C and condenser cooling fluid was maintained 1- at 22°C. Determine the thermal efficiency of this Carnot engine in percentage? Provide answer to 1 decimal place and insert the unit symbol. 1 °C is 273K in this question if required.
A Carnot heat pump maintains a horne at 23 C during the cold season. At an average of -2C outsde emperdure, the house loses heat at a rate of 50,000 M/h. X this heat pump consumes 5 kW of power during operation, calculate (a) how ling the hed pump ran on thd day; (b) the total heating costs, assuming an average price of P12.67lkWh for ebctricity.