What is the total entropy change if a 0.410 efficiency engine takes 3.91E3 J of heat from a 332 degC reservoir and exhausts it to a 36.0 degC reservoir?
What is the total entropy change if a 0.410 efficiency engine takes 3.91E3 J of heat...
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...
An engine does 20 J of work and exhausts 15 J of waste heat during each cycle. What is the engine's thermal efficiency? If the cold-reservoir temperature is 30 degrees C, what is the minimum possible temperature in degrees C of the hot reservoir?
A heat engine does 30.0 J of work and exhausts 40.0 J of waste heat during each cycle. What is the engine's thermal efficiency? If the cold-reservoir temperature is 30.0 ∘C, what is the minimum possible temperature in ∘C of the hot reservoir?
1a. Engine (1) has an efficiency of 0.12 and requires 5490 J of input heat to perform a certain amount of work. Engine (2) has an efficiency of 0.28 and performs the same amount of work. How much input heat does the second engine require? b. An ideal heat engine takes in heat from a reservoir at 320 °C and has an efficiency of 28%. If the exhaust temperature does not vary and the efficiency is increased to 43%, what would...
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?
A Carnot engine operating at 35% efficiency exhausts heat into the heat sink at 320 ℃. If we want to increase the efficiency of the engine to 49%, without changing the temperature of the heat reservoir, what would be the new temperature of the heat sink?
A Carnot engine takes 2000 J of heat from a reservoir at 500 K, does some work, and discards some heat to a reservoir at 350 K. How much work does it do, how much heat is discarded, and what is its efficiency?
What is the efficiency of a heat engine that does 1250 J of work and gives off 5250J of heat to the cold reservoir?
12. A Carnot engine operating at 34% efficiency exhausts heat into the heat sink at 350 °C. If we want to increase the efficiency of the engine to 46%, without changing the temperature of the heat reservoir, what would be the new temperature of the heat sink?