9. A Carnot engine works between two heat reservoirs at temperatures TH = 500 K and TL = 350 K. If it is used as a refrigerator (working in reverse) between the same two reservoirs, how much energy is required (as work) to remove 1600 Jof heat from the refrigerator?
Concept - using Carnot’s engine as refrigerator
we find the required work as shown below
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9. A Carnot engine works between two heat reservoirs at temperatures TH = 500 K and...
A Carnot engine works between two heat reservoirs at temperatures Th = 360 K and Tc = 240 K. (a) What is its efficiency? % (b) If it absorbs 95 J from the hot reservoir during each cycle, how much work does it do? J (c) How much heat does it give off during each cycle? J (d) What is the COP of this engine when it works as a refrigerator between the same two reservoirs?
4. A Carnot engine works between two heat reservoirs at temperatures Ty 300 K & Te -77.0 a. What is its efficiency? b. If it absorbs c. How much heat does it release to the low- d. Wha 100 J of heat from the hot reservoir during each cycle, how much work does it do? t is the coefficient of performance of this engine when it works as a refrigerator between temperature reservoir during each cycle? these two reservoirs?
A Carnot engine works between two heat reservoirs at temperatures Thot=300.0K and Tcold=230.0K. What is its efficiency? If it absorbs 140.0J from the hot reservoir during each cycle, how much work does it do? How much heat does it reject during each cycle? What is the coefficient of perfomance, COP, of this engine when it works as a refrigerator between the same two reservoirs?
A Carnot engine is operated between two heat reservoirs at temperatures of 400 K and 300 K. (a) If the engine receives 5 x 103 kJ from the reservoir at 400 K in each cycle, how many joules does it reject to the reservoir at 300 K? (b) If the engine is operated as a refrigerator (ie., in reverse) and receives 5 × 103 kJ from the reservoir at 300 K, how many joules does it deliver to the reservoir...
A Carnot engine is operated between two heat reservoirs at temperatures of 520 K and 300 K. a) If the engine receives 6.45 kJ of heat energy from the reservoir at 520 K in each cycle, how many joules per cycle does it reject to the reservoir at 300 K? b) How much mechanical work is performed by the engine during each cycle? c) What is the thermal efficiency of the engine?
A particular Carnot heat engine has two reservoirs held at different temperatures of 210 K and 2210 K Select the engine(s) that has the same efficiency as this engine. 630 K and 4420 K 230 K and 2230 K 210 K and 2210 K 630 K and 6630 K 2210 K and 210 K
(a) During each cycle, a Carnot engine absorbs 772 J as heat from a high-temperature reservoir at 388 K, with the low-temperature reservoir at 287 K. How much work is done per cycle? (b) The engine is then made to work in reverse to function as a Carnot refrigerator between those same two reservoirs. During each cycle, how much work is required to remove 1206 J as heat from the low-temperature reservoir? () Numbel 200.9590 UnitsT j UnitsT j (b)...
A Carnot engine is operated between two heat reservoirs at T1= 435 K and T2= 308 K. (a) If the engine receives 5113 J of heat from the reservoir at T1 in each cycle, how many joules per cycle does it deliver to the reservoir at T2? (b) How much mechanical work is performed by the engine during each cycle? (c) What is the thermal efficiency of the engine?
1) An ideal heat engine employing a carnot cycle Operates between two injerite heat reservoirs with the fixed temperatures To 7 To a) The heat engine has an efficiency n = 30% a work generator Find the efficiency of the machine y it is used as a refridgerator b) Braw the diagram of this cycle is T-S co-ords when used as
A reversible heat engine operates between a high temperature reservoir at Th and a low temperature reservoir at Tư. The work produced by the heat engine is used to drive a reversible refrigerator that operates between the same two reservoirs. Determine if the low temperature reservoir is being cooled or heated. (30 points). High Temp. Reservoir @ TH QH ORH HE,H w net HE R QHEL Teru Low Temp. Reservoir @ TL