An aircraft engine takes in 8950 J of heat and discards 6150 J each cycle. Part A)

What is the mechanical work output of the engine during one cycle?

Part B)

What is the thermal efficiency of the engine?

Question

Physics

Emmy Ortega

15 August, 15:25

An aircraft engine takes in 8950 J of heat and discards 6150 J each cycle. Part A)

What is the mechanical work output of the engine during one cycle?

Part B)

What is the thermal efficiency of the engine?

+1

Answers (1)

Know the Answer?

Essence Marks · Answer 1

(a) 2800 J

(b) 31.28 %

Explanation:

Heat intake, Q1 = 8950 J

Heat discard, Q2 = 6150 J

(a) Work = intake heat energy - discarded heat energy

W = Q1 - Q2 = 8950 - 6150 = 2800 J

(b) Efficiency = 1 - Q2 / Q1

Efficiency = 1 - (6150 / 8950) = 0.3128 = 31.28%

An aircraft engine takes in 8950 J of heat and discards 6150 J each cycle. Part A)What is the mechanical work output of the engine during one cycle?Part B)What is the thermal efficiency of the engine?

An aircraft engine takes in 8950 J of heat and discards 6150 J each cycle. Part A)

What is the mechanical work output of the engine during one cycle?

Part B)

What is the thermal efficiency of the engine?