A nuclear power plant operates at 75 % of its maximum theoretical (Carnot) efficiency between temperatures of 645 °C and 380 °C. 1. If the plant produces electric energy at the rate of 1.6 GW, how much exhaust heat is discharged per hour?

Q: (a) What is the best coefficient of performance for a refrigerator that cools an environment at…

A:

Q: In one cycle of an engine, 1.71 kJ of energy is absorbed from a hot reservoir at 277°C, and 1.21 kJ…

A: In the question given engine input and output heat at the temperatures we have to find ----  (a)…

Q: A nuclear power plant has a power output (i.e. output to do useful work) of 1505 MW and operates at…

A: Output power (P) = 1505 MW efficiency = 21.1% flow rate of river (Q) = 1.15×106 kgs

Q: Let's say that a fridge operates between temperatures of 4°C and 31.0°C. A particular fridge has a…

A: T1 = 4oC T2 = 31oC COP = 4.50

Q: Problem 4: A freezer has a coefficient of performance of 3.5. You place 0.25 kg of water at 33°C in…

A: GivenC.O.P=3.5 Mass of water, m=0.25 kgInitial Temperature of water, Ti=33°CFinal temperature of…

Q: 1. An engine with an efficiency of 0.2 absorbs 510 J of heat per cycle. (a) How much work does it…

A: Efficiency of an engine is defined as: Efficiency η=work performedheat absorbed…

Q: A refrigerator has a coefficient of performance of 4. If th absorbs 30 cal of heat from cold…

A: Given Coefficient of performance of a refrigerator , COP=4Refrigerator absorb heat from cold…

Q: A refrigerator has a coefficient of performance of 2. The ice (cice = 2090 J/kg.°C) tray compartment…

A: Given data, Performance coefficient of the refrigerator = 2 Cice = 2090 J/kg.oC Cwater = 4186…

Q: A refrigerator has a coefficient of performance of 2. The ice (cice = 2090 J/kg.ºC) tray compartment…

A: Given,  Coefficient of performance K = 2 Temperature of ice tray compartment  Ti = -14 degree…

Q: p (atm) Pmax 2 3 1 1 Isotherm V (cm 600 0+ 200 400

A: Take 1 mol of ideal monoatomic gas. Calculate isothermal work. W12=RT1lnV2V1=8.314 J/K.mol * 300…

Q: heat engine operates between a hot reservoir at 790°C and a cold reservoir at a temperature of 15…

A:

Q: 1. A heat engine is found to have an efficiency of 0.3. If it does 180 J of work per cycle, what are…

A:

Q: A refrigerator has a coefficient of performance of 2. The ice (cice = 2090 J/kg.oC) tray compartment…

A: Given data: Coefficient of performance = 2 Mass of water m=5.47 g Temperature =-190C. Room…

Q: A refrigerator has a coefficient of performance of 2. The ice (cice = 2090 J/kg.ºC) tray compartment…

A:

Q: A refrigerator has a coefficient of performance of 2. The ice (cjce = 2090 J/kg.°C) tray compartment…

A:

Q: During a high fever, a 55.0 kg patient’s normal metabolism increases by 11.2%. This results in an…

A: Given that:m=55.0 kgMetabolism with fever is 11.2% greater. H=20.0 mAt normal, Qc=120 kJ

Q: Converting sunlight to electricity with solar cells has an efficiency of ≈15,. It’s possible to…

A: The expression for the required efficiency is,

Q: A steam-electric power plant delivers 900 MW of electric power. The surplus heat is exhausted into a…

A: Total heat energy per unit time is,

Q: A refrigerator has a coefficient of performance of 1. The ice (cice = 2090 J/kg.°C) tray compartment…

A:

Q: 1. A coal-fired power plant produces 9.00 × 1013 J of electrical energy in one day, and operates…

A:

Q: tor to the turbines at a temperature of 560 ° C. If the turbines release heat at a temperature of…

A:

Q: 1. (a) What is the best coefficient of performance for a refrigerator that cools an environment at…

A:

Q: The 50 MWe Andasol solar thermal power plant in Spain uses two tanks of molten salt (specific heat…

A: Variables known, Specific heat of molten salt is 1.47×103 J/Kg°C, Mass of the molten salt is…

Q: 1. What is the best coefficient of performance possible for a hypothetical refrigerator that could…

A: Given: The temperature of the cold reservoir is -190oC. The temperature of the hot reservoir is…

Q: The temperature of the cold reservoir of a refrigerator is -12 °C while in its hot reservoir is 33…

A: Given Sink temperature T2 = -12 oC = 273+(-12) = 261 K Source temperature T1 = 33 oC =273+33 =306 K

Q: 1. What is the efficiency of a steam engine if it absorbed an energy of 2.5 x 108 J from the boiler…

A:

Q: A certain coal-fired power plant has a rated power capacity of P = 850 MW. The output of this plant…

A: Given that :- Power capacity , P=850 MW  Output , W=0.26Q11

Q: one cycle of an engine, energy is absorbed fröm å hốt réšérvoir at energy is expelled to a cold…

A: Given data  Q1 = 1.71 kJ and Q2 = 1.22 Kj  t = 0.295 s

Q: As a gasoline engine is running, an amount of gasoline containing 13,600 J of chemical potential…

A: Given: Input energy, E=13600 J Work done, W=3400 J

Q: Compressed air can be pumped underground into huge caverns as a form of energy storage. The volume…

A: Formulas used: PV=nRT And energy consumed by one house in 1 day =20×103Joulessec×hr =…

Q: 2.0Kg of water at 0 degree celcius heated to 100 degree celcius. Compute its change in entropy. Mc…

A: Check out the form of chemical

Q: 1. What is the efficiency of a steam engine if it absorbed an energy of 2.5 x 10*J from the boiler…

A: Given: heat absorbed Q1=2.5*108 Jheat rejected Q2 =1.5*108  J

Q: A solar collector system delivers heat to a power plant. It is well known that the thermal…

A: The thermal collection efficiency,

Q: A refrigerator has a coefficient of performance of 4. If the refrigerator absorbs 30 cal of heat…

A: Given: Coefficient of performance, COP=4 Heat absorbed, Qc=30 cal To find: Heat expelled, Qh=?

Q: You are hired to build a geothermal power plant that absorbs heat from a hot water spring and…

A: The temperature of the surrounding air in kelvin is, Tc=17+273 K=290 K The efficiency of the Carnot…

Q: A typical coal-fired power plant operates with a high-temperature reservoir at Th = 800 K and a…

A: High temperature 800k  Low temperature 300k

Q: A refrigerator has a coefficient of performance of 2. The ice (cice = 2090 J/kg.°C) tray compartment…

A: Specific heat of water C1=4184 J/kgoC, specific heat of ice C1=2090 J/kgoC, latent heat of fusion…

Q: An engine is design to run at 72% of Carnot engine efficiency with high and low temperature of 798 K…

A: