Question 2 (20%) A heat engine takes 425 kJ of heat from a reservoir at 1000...
6) A Carnot engine takes heat in from a reservoir at 400 K and discards heat to a reservoir at 300 K. If the engine does 12,000 J of work per cycle, how much heat does it take in per cycle? a) 9000 b) 16,000 c)24,000 d) 48,000 e) none of the above
In one cycle, a certain heat engine takes in 1000 J1000 J of heat from its high‑temperature reservoir and exhausts 700 J700 J of heat to its low‑temperature reservoir. What is the efficiency of the heat engine under these conditions? 70%,30%,43%,143%,300%. In one cycle, a certain heat engine takes in 1000 J of heat from its high-temperature reservoir and exhausts 700 J of heat to its low-temperature reservoir. Hot reservoir What is the efficiency of the heat engine under these...
A heat engine operates between - 120°C and 450°C. It produces 10 kJ of work with a heat input of 18 kJ. Find the engine's efficiency and determine if it is reversible, irreversible, or impossible.
2. An ideal heat engine takes in heat from a reservoir at 380 °C and has an efficiency of 28%. If the exhaust temperature does not vary and the efficiency is increased to 42%, what would be the increase in the temperature of the hot reservoir 251.2115 oc
A heat engine extracts 51 kJ from the hot reservoir and exhausts 30 kJ into the cold reservoir. Part A What is the work done? ANSWER: Part B What is the efficiency?
QUESTION 9 A heat engine takes in 55 kJ/s heat at 1000°Сand releases its exhaust heat at 40 kJ/s. If the environment has a temperature of 25°C, what is the 2nd law efficiency of this system? (in %) 35.6 50.2 60,9 69.1 65.3
A reversible heat engine receives heat of 2000 kJ from a furnace at temperature of 600 0C and rejects waste heat into the house. The portion of work produced by this heat engine utilized to drive a reversible heat pump to warmup the same house during the winter. The house is to be maintained at 21 0C at all times even though outside temperature drops to -15 0C. If the net-work output of the combined heat engine and heat pump...
An ideal heat engine takes in heat from a reservoir at 380 °C and has an efficiency of 34%. If the exhaust temperature does not vary and the efficiency is increased to 44%, what would be the increase in the temperature of the hot reservoir?
Problem 14-Carnot engine (14 points) The Carnot engine takes 1800 J of heat from a reservoir at 600 K, does some work, and discards some heat to a reservoir at 300 K. How much work does it do, how much heat is discarded, and what is its efficiency?
245 E00 4) A Carnot heat engine loses 1000 kJ of heat per cycle to a low-temperature sink at 27 C and receives heat from a high- temperature reservoir at 927C. Determine (a) the thermal efficiency of this Carnot engine and (b) the amount of heat received from the high temperature reservoir. ఉది