A heat engine absorbs 20 kJ of heat from a source at 500°C and rejects 10 kJ of heat to a sink at 25°C. Themaximum efficiency of the heat engine is?61%O 95%O 50% Choose all that apply. A heat engine is a device that...Rejects waste heat to a low temperature sink.Operates on a cycle.Converts heat into work.Receives heat from a high temperature source.

Answered: Image /qna-images/answer/7e9b1bb7-e1ac-4d98-9ffe-24946c66b7b8.jpg

Answered: A heat engine absorbs 20 kJ of heat…

A heat engine absorbs 20 kJ of heat from a source at 500°C and rejects 10 kJ of heat to a sink at 25°C. The maximum efficiency of the heat engine is? 61% O 95% 50%

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Q: B. A Carnot heat engine, shown in Fig. below, receives 400 kJ of heat per cycle from a…

A: Given:Qa=400 KJTH=552°CTL=25°C

Q: A heat engine receives heat from a source at 10000C and rejects the waste heat to a sink at 50 0C.…

Q: A Carnot engine operates using a 527°C energy reservoir and a 27°C energy reservoir. Calculate the…

Q: A refrigerator remove heat from a refrigerated space at -5°C at a rate of 0.35 kJ/s and rejects it…

A: Given, Temperature at which refrigerator rejects the heat = T1 = 20 oC = 293 K Temperature at which…

Q: A heat engine is assumed to operate on a Carnot cycle. It receives 900kJ heat from a high…

A: "Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: (d) A heat engine operates by taking heat from a thermal reservoir at 1000°C and rejecting heat to a…

A: Given Data: The temperature of the thermal reservoir source is TH = 1000°C The temperature of the…

Q: A heat engine is operating on a Carnot cycle and has a thermal efficiency of 50 percent. The waste…

Q: A real heat engine operating between two heat reservoirs, and produces 10 kW of power. The…

A: Given: The work produce by the heat engine is, W=10 kW. The efficiency of the engine is,η=42% The…

Q: A Carnot heat engine receives 1000 kJ of heat from a heat reservoir at an unknown temperature and…

Q: A Carnot heat engine receives heat from a reservoir at 900°C at a rate of 800 kJ/min and rejects the…

Q: A heat engine is operating on a Carnot cycle and has a thermal efficiency of 55 percent. The waste…

A: Given data: η=55%TL=60°CQR˙=900 kJ/min Need to determine the power output of the engine.

Q: A heat engine is operating on a Carnot cycle and has a thermal efficiency of 47 percent. The waste…

A: Given: The thermal efficiency of the Carnot cycle is η=0.47 The rate at which heat is rejected to…

Q: A Carnot refrigerator, consuming 3.0 kW, is located in a room where the air temperature is 25°C. The…

A: Given Data TH=25°C P=3 kW COP=5

Q: A completely reversible refrigerator is driven by a 10-kW compressor and operates with thermal…

A: Given Data: The work input is: W=10 kW The temperature of the cold reservoir is: TC=250 K The…

Q: A water fountain is designed to cool water initially at 22.8∘C to a cool 7.7∘C at an average rate of…

A: Given data: Temperature T1 = 7.7°C Temperature T2 = 22.8°C Average Rate for cooling water v = 47…

Q: A heat engine operates between a source at 477°C and a sink at 25°C. If heat is supplied to the heat…

Q: A heat engine operates between a source at 452°C and a sink at 26°C. If heat is supplied to the heat…

A: Given:Source temperature, TH=452oC=452+273=725 KSink temperature, TL=26oC=26+273=299 KHeat supplied…

Q: A 2 kW, 25 litre storage water heater is used to raise the tem perature of incoming cold water to a…

A: Data given- P = 2 kW = 2 KJ/s V = 25 litre = 25 × 10-3 m3 T1 = 25°C T2 = 75°C Tw1 = 15°C Tw2 =…

Q: A reversibly operating heat engine operates between two reservoirs with temperatures between 600 ℃…

Q: An air-conditioning system operating on the reversed Carnot cycle is required to transfer heat from…

Q: An Ocean Thermal Energy Conversion (OTEC) power plant built in Hawaii in 1987 was designed to…

A: Mass flow rate can be determined as Rate of heat rejection to cooling water is

Q: orbing heat from the cold outdoors at 5 degrees celsius and supplying heat to a house at 22 degrees…

A: Given:TL=5°C =268 KTH=22°C =295 KQH=18000 KJ/h =180003600 KWP=2.5 KW

Q: During winter, a mechanical heat pump is turned on to supply heat to a house, which is maintained at…

A: Assumptions: The heat pump operates steadily The heat pump is reversible Given, QL˙=140000…

Q: A refrigeration system is to be used to constantly maintain a space at -12°C in an industrial…

A: Given Minimum temperature, T1 = -12oC T2 = 24oC…

Q: Calculate the net work output of a heat engine following path ABCDA in the figure below.

A: The net work output of the heat engine is the area enclosed in the cycle ABCDA on P-V diagram.…

Q: An engineer, in his work on the heat engine, determined that the heat engine received 500 kJ of heat…

A: Write the given data with suitable variables. Q1=500 kJT1=700 KQ1-Q2=240 kJT2=370 K

Q: During winter, a mechanical heat pump is turned on to supply heat to a house, which is maintained at…

A: TH=18°CTH=18+273=291 KTL=2°C+273=275 KQ1=27000 KJhrQ2=140000 KJhr

Q: has a engine is operating rcent. The waste heat from this engine is rejected to a nearby lake at…

Q: A carnot device extracts 5.00 kJ of heat from a body at -10.00C. How much work is done if the device…

A: Given details: Th = 25 C =298 K TC = -10 C =263 K W = 5 kJ Note: Inbuilt Math type not work so…

Q: What is the Carnot efficiency of an automobile engine which supplies heat at 800 K and reject heat…

A: Carnot cycle is an imaginary cycle that gives the maximum possible efficiency between two…

Q: A heat engine receives half of its heat supply at 1000 K and half at 500 K while rejecting heat to a…

A: Given that at T1= 1000 K and at T2= 500 K heat supply = Q1 , sink for both is same at T3=300 K;And…

Q: A carnot engine is working between two fixed temperature reservoirs 600 K and 300 K. Determine the…

Q: A heat engine is operating on a Carnot cycle and has a thermal efficiency of 59.41 percent. The…

Q: A heat engine is operating on a Carnot cycle and has a thermal efficiency of 47 percent. The waste…

A: Given: The efficiency of the Carnot cycle is η=0.47. The nearby lake temperature is T1=60°F. The…

Q: determine the amount of power generated.

A: Solution: The formula for the mass flow rate of seawater is given as Here, is the density of the…

Question

A heat engine absorbs 20 kJ of heat from a source at 500°C and rejects 10 kJ of heat to a sink at 25°C. The
maximum efficiency of the heat engine is?
61%
O 95%
O 50%

Choose all that apply. A heat engine is a device that...
Rejects waste heat to a low temperature sink.
Operates on a cycle.
Converts heat into work.
Receives heat from a high temperature source.

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

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

I need the answer as soon as possible
A heat engine is operating on a Carnot cycle and has a thermal efficiency of 55 percent. The waste heat from this engine is rejected to a nearby lake at 60°C at a rate of 900 kJ/min. Determine the temperature of the source.
A Carnot heat engine receives 650 kJ of heat from a source of unknown temperature and rejects 250 kJ of it to a sink at 240C. Determine the thermal efficiency of the heat engine.
Q3/ A Carnot heat engine receives 655 kJ of heat from a source of unknown temperature and rejects 245 kJ of it to a sink at 22°C. Determine (a) the temperature of the source and (b) the thermal efficiency of the heat engine.
A Carnot engine rejects 30% of absorbed heat to a sink at 30°C. The temperature of the heat source is 1. 100°C 2. 433°C 3. 737°C 4. 1010°C
A solar energy based heat engine which recieves 90kJ of heat at 900C and rejects 70kJ of heat to the ambient at 200C is to be designed. Determine the thermal efficiency of the heat engine.
A heat engine is supplied heat at the rate of 1700 kJ/min and gives an output of 9 kW. Determine thethermal efficiency and the rate of heat rejection.
Quiz-ch5 A Carnot heat engine receives heat from a reservoir at 1200°C at a rate of 800 kJ/min and rejects the waste heat to the ambient air at 32°C. The entire work output of the heat engine is used to drive a refrigerator that removes heat from the refrigerated space at -7°C and transfers it to the same ambient air at 32°C. Determine (a) the maximum thermal efficiency of the heat engine, (b) the maximum power output of the heat engine (kJ/min), (c) the maximum COP of the refrigerator, (d) the maximum rate of heat removal from the refrigerated space (kJ/min). 1200 'C -7 °C 1000 KJ/min (HE) 32 °C
(d) A heat engine receives heat from a heat source at 1200°C and has a thermal efficiency of 40%. The heat engine does maximum work equal to 500 kJ. Determine the heat supplied to the heat engine by the heat source, the heat rejected to the heat sink, and the temperature of the heat sink.
A refrigerator is removing .25 heat from a cold medium at 3°C at a rate of 7200 kJ/h and rejecting the waste heat to a medium at 30°C. If the coefficient of performance of the refrigerator is 2, the power consumed by the refrigerator is