An ideal heat engine takes in heat from a reservoir at 380 °C and has an...
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?
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An ideal heat engine takes in heat from a reservoir at 380 °C
and has an...
2. An ideal heat engine takes in heat from a reservoir at 380 °C and has...
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
1a. Engine (1) has an efficiency of 0.12 and requires 5490 J of input heat to perform...
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...
An ideal heat engine takes in the heat of 465J at temperature of 347˚C and it...
An ideal heat engine takes in the heat of 465J at temperature of 347˚C and it exhaust heat of 285J. Calculate the temperature of the exhaust of the engine.
In one cycle, a certain heat engine takes in 1000 J1000 J of heat from its...
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 Carnot engine has an efficiency of 45 % and takes in heat from a high-temperature...
A
Carnot engine has an efficiency of 45 % and takes in heat from a
high-temperature reservoir at 168 ∘C.
What is the Celsius temperature of the engine's
low-temperature reservoir?
T = _____ °C
(Answer is NOT 168°C)
Take temperatures and efficiencies to be exact. A Carnot engine has an efficiency of 45 % and takes in heat from a Nigh-temperature reservoir at 168 °C Part A What is the Celsius temperature of the engine's low-temperature reservoir? Express your answer...
1. A Carnot engine has a hot reservoir at 250 degrees C, and a a cold...
1. A Carnot engine has a hot reservoir at 250 degrees C, and a a cold reservoir at 25.0 degrees C. What is the efficiency of this engine? A) 10% B) 43% C) 57% D) 90% 2. A heat engine does 50 J of work and dumps 30 J of heat into the cold reservoir. How much heat was absorbed from the hot reservoir? A) 20 J B) 30 J C) 50 J D) 80 J 3. A heat engine...
A newly proposed device for generating electricity from the sun is a heat engine in which the hot reservoir is created b...
A newly proposed device for generating electricity from the sun is a heat engine in which the hot reservoir is created by focusing sunlight on a small spot on one side of the engine. The cold reservoir is ambient air at 20 degrees C. The designer claims that the efficiency will be 35%. What minimum hot-reservoir temperature, in degrees C, would be required to produce this efficiency?
3. An ideal Carnot engine has an input of 150 J of heat per cycle at...
3. An ideal Carnot engine has an input of 150 J of heat per cycle at its high-temperature reservoir, which is maintained at 135 °C. The engine has a thermal efficiency of 22.0%. a. How much work does this engine do per cycle? b. How much heat does this engine output to its low-temperature reservoir per cycle? c. What is the temperature of the low-temperature reservoir? d. How many cycles would this engine have to go through to lift a...
Problem 14-Carnot engine (14 points) The Carnot engine takes 1800 J of heat from a 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?
An ideal heat-engine is to be used in an environment where the ambient temperature is 31.5...
An ideal heat-engine is to be used in an environment where the ambient temperature is 31.5 °C. What should be the minimum temperature of the hot heat reservoir in order to reach at least 36.9 percent efficiency with the heat-engine? (Give your answer in Celsius.)
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
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
Carnot engine has an efficiency of 45 % and takes in heat from a
high-temperature reservoir at 168 ∘C.
What is the Celsius temperature of the engine's
low-temperature reservoir?
T = _____ °C
(Answer is NOT 168°C)
Take temperatures and efficiencies to be exact. A Carnot engine has an efficiency of 45 % and takes in heat from a Nigh-temperature reservoir at 168 °C Part A What is the Celsius temperature of the engine's low-temperature reservoir? Express your answer...
3. An ideal Carnot engine has an input of 150 J of heat per cycle at its high-temperature reservoir, which is maintained at 135 °C. The engine has a thermal efficiency of 22.0%. a. How much work does this engine do per cycle? b. How much heat does this engine output to its low-temperature reservoir per cycle? c. What is the temperature of the low-temperature reservoir? d. How many cycles would this engine have to go through to lift a...
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?
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