The food compartment of a refrigerator, is maintained at 4°C by removing heat from it at a rate of 360 kJ/min. If the required power input to the refrigerator is 2 kW, determine (a) the coefficient of performance of the refrigerator and (b) the rate of heat rejection to the room that houses the refrigerator.

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: 100 mL of water at 20.0 °C is placed in the freezer compartment of a refrigerator with a coefficient…

A:

Q: A prototype power generation device that cycles steam between a geothermal source (temperature 393…

A: Given: The source temperature of the cycle is 393 K. The sink temperature of the cycle is 280 K.…

Q: The ice maker inside a refrigerator makes ice cubes at 0.0°C from water that is at 17.2°C when it…

A: Given data The temperature of the water is Tw=17.2°C. The temperature of the ice is Ti=0°C. The…

Q: a) A Canot heat engine receives heat from a reservoir at 700 C at a rate of 600 kJ/min and rejects…

A: Given: Heat received QH = 600 kJ/min. Temperature of Carnot engine TH=700 oC=973.15 K Temperature of…

Q: A baseball pitcher brings his arm a pitch rotating the forearm about the elbow . B= 32.4 m/s D=0.275…

A: Relation between the angular velocity and Linear Velocity is, ω = v/r Where, ω = angular velocity v…

Q: (a) How much heat transfer occurs to the environment by an electrical power station that uses…

A: Given data: Heat input, QH=1.25×1014  Efficiency, η=0.44 a)  Heat transfers to environment is find…

Q: During each cycle, a refrigerator ejects 645 k) of energy to a high-temperature reservoir, and takes…

A: Given :      Heat ejects to high - temperature reservoir, QH = 645 kJ      Heat takes from low -…

Q: An ideal, reversible heat pump is taking heat from the outside air at -11.5 °C and discharging it…

A: Given : Reversible heat pump is taking heat from the outside air at -11.5 °C.…

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

A: Part (a) Given: The temperature that transfer the heat is T1=45 C. The temperature that cools the…

Q: If the plant operates at 50.0% of its maximum efficiency and its power output is 1.23 × 108 W, at…

A: The given data are: TH=540 KTL=313 KQH=1.23×108 W Here, TH is the higher temperature, TL is the…

Q: One of the most efficient engines ever built is a coal-fired steam turbine engine in the Ohio River…

A:

Q: A heat pump removes 2060 J of heat from the outdoors and delivers 3060 J of heat to the inside of a…

A: Given data The heat removed by the pump is QL=2060 J The heat delivered by the house is QH=3060 J…

Q: A particular condominium uses a heat pump with a coefficient of performance of 3.85 to heat its…

A:

Q: r. Similarly, a person can be viewed as a heat engine that takes an input of internal energy, uses…

A: Given:- Suppose a trained athlete can function as a heat engine with an efficiency of 0.16. The…

Q: None

A: Part (a)Problem: What is the best coefficient of performance for a heat pump that has a hot…