Self Assessment Learning Goal: Thermal Engines and Refrigerators in General Carnot Engines for Maximum Efficiency Self A

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Self Assessment Learning Goal Thermal Engines And Refrigerators In General Carnot Engines For Maximum Efficiency Self A 1 (57.3 KiB) Viewed 67 times

Self Assessment Learning Goal Thermal Engines And Refrigerators In General Carnot Engines For Maximum Efficiency Self A 2 (63.83 KiB) Viewed 67 times

Self Assessment Learning Goal Thermal Engines And Refrigerators In General Carnot Engines For Maximum Efficiency Self A 3 (66.46 KiB) Viewed 67 times

Self Assessment Learning Goal: Thermal Engines and Refrigerators in General Carnot Engines for Maximum Efficiency Self Assessement Part A Case 1 A CARNOT heat engine does 1850 J of work and dumps Qa - 2500.0 J heat to the COLD reservoir whose temperature is 285 per cycle To 0-0 W How much heat is taken from the HOT reservoir in one cycle? Keep 1 digit atter the decimal point, in Joules refrigerator θI ΑΣΦ και ? Case 1 OM- Submit Request Answer Part B-Case 1: A CARNOT heat engine doos 1850 J of work and dumps Qa = 2500.0 J heat to the COLD reservoir whose temperature is 285K per cycle. A heat engine, represented here by a circle, uses part of the heat transfer to do work. The hot and cold objects are called the hot and cold reservoirs, is the heat transfer from the hot reservoir to the engine, Wis the work output, and Q, is the heat transfer into the cold roservoir Oh, Oc and are all taken as POSITIVE Conservation of energy supulates that Oh = Qc+W. Thus the work W = Oh - Qc The officiency of a heat engine is defined to bo its work output W divided by heat transfer w to the engine Oh that is, e Q-Q it can also be written as = Q What is its efficiency? Keep 3 digits after the decimal point. 10 AED Case 1 e Submit Best Answer 13 Carrot found that for a (reversible) heat Q T engine Part C. Caso 1: A CARNOT heat engine does 1850 J of work and dumps Qc 2500 0 J heat to the COLD reservoir whose temperature is 285K per cycle What is the temperature of the HOT reservoir in Kevin? Keep 1 digit after the decimal point, in Kevin Therefore, For a Camot (reversible) engine the maximum or Camat efficiency is given by T emor=1- TE (Temperature must be in kovin) Note: NOT ALL ENGINES have Carnot efficiency If the cycle of a heat enegine is reversed, it works as a refrigerator 190 AEC 3 ? Case 1 71 K Submit Best Answer

Review Case 2. A CARNOT heat engine takes in Q12 = 5300.0 J heat from the HOT reservoir whose temperature is 620 K and dumps 3600.0 J heat to the COLD reservoir, per cycle Learning Goal: Thermal Engines and Refrigerators in General Camot Engines for Maximum Efficiency Part D-Case 2. A CARNOT heat engine takes in Qh2 = 5300 o J heat from the HOT reservoir whose temperature is 620 K and dumps 3600.0 J heat to the COLD reservoir per cycle Self Assessement 0 - 0 +W What is its officiency Keep 3 digits after the decimal point refrigerator Vo AED 3 2 Case 2 62 Submit Request Answer Part E-Case 2A CARNOT heat engine takes in Qu2 - 53000 heat from the HOT reservoir whose temperature is 620 K and dumps 38000 J heat to the COLD reservoir per cycle A heat engine, represented here by a circle uses part of the heat transfer to do work. The hot and cold objects are called the hot and cold reservoirs. Oh is the heat transfer from the hot reservoir to the engine. W is the work output, and Qe is the heat transfer into the cold reservoir Qh, Oc and W are all taken as POSITIVE. Conservation of energy stipulates that he Qc+W. Thus the work W = Q - Qc The efficiency of a heat engine is defined to be its work output W divided by heat transfer W to the engine Ohthat is e it can also be written as e 9-9 What is the femperature of the COLD reservoir in Kevin? Koep 1 digit after the decimal point, in Kevin YO AXO ? Case 2 12 K Submit Request Answer Case 3: A CARNOT heat engine whose HOT reservoir has a temperature of 800 dumps Qc3-4000.0 J heat to the COLD reservoir at 300.0 K.per cycle. - Part F.Case 3: A CARNOT heat engine whose HOT reservoir has a temperature of Book dumps Qa 4000.0 J hoat to the COLD rosorvoir et 3000 K per cycle. Carnot found that for a (reversible) heat T ongino ਨੂੰ : Therefore, For a Carnot (reversible) engine, the maximum or Carnot officiency is given by 7 mal (Temperature must be in Kevin) Note: NOT ALL ENGINES have Carnot officiency if the cycle of a heat onogino is roversod, works as a refrigerator What is its officiency? Koep 3 digits after the decimal point. VO ASKO Case 3 abril Answ

Part G - Case 3: A CARNOT heat engine whose HOT reservoir has a temperature of 800 K dumps Qc3 = 4000.0 J heat to the COLD reservoir at 300.0 K, per cycle. How much heat is taken from the HOT reservoir in one cycle? Keep 1 digit after the decimal point in Joules VO AXO ? Case 3 Qh3 = Submit Request Answer Part H - Case 3: A CARNOT heat engine whose HOT reservoir has a temperature of 800 K dumps Qe3 = 4000.0 J heat to the COLD reservoir at 300.0 K per cycle. How much work is done in one cycle? Keep 1 digit after the decimal point in Joules V AED ? J Case 3 W3 = Submit Request Answer < Return to Assignment Provide Feedback