why there is need of fuel of to run an engine , what if water is replaced by water and will the engine run by water or not . if not how it should be modified to run by water

Q: Explain how increasing entropy reduces the ability of energy to do work when you hammer a nail into…

A: In ideal condition when we hammer a nail into wood ,  All the energy we apply will be use in doing…

Q: If you asked to reduce the specific fuel consumption of a turbojet -8 engine by improving the…

A:

Q: the second law of thermodynamics to explain why an automobile engine requires a cooling system to…

A:

Q: Tricia and Jill bought a brand new blender to make their favorite slush this summer season. This…

A: we have given,m=3.50 kgrate=825 kJkg=8.85×105 JkgP=2.75kW=2.75×103 We=94%=0.94

Q: distinguish between good and bad emitters/absorbers of heat

A: Matt, black surfaces are the best emitters and absorbers, and shiny,light surfaces are the worst…

Q: tourist purchases a car in England and ships it home to the United States. The car sticker…

A: a) We know that the expression to find the used gallons in the US is given as  U= Xr where  U is the…

Q: complete the statement: To derive a fundamental equation the process must be_____________________

A: The following are the fundamental equation dU = dq +dw dU = TdS – pdV  dwrev = −pdV dqrev = TdS

Q: Consider a car’s gasoline engine. Construct a problem in which you calculate the maximum efficiency…

A:

Q: Which phase change is an example of an exothermic process?   A) Liquid to Solid B) Gas to Solid C)…

A: The exothermic process is the process in which the heat is released when the reaction is carried…

Q: In May you used 700 kilowatt-hours of energy for electricity.   a. Calculate the total electrical…

A:

Q: Mop and Broom Manufacturing estimates that it takes 412hours for each broom to be produced, from raw…

A: Given: The estimated time is t=412 h. The time spend is T=3 h. The process velocity is the ratio…

Q: Briefly explain the working principles of fire tube and water tube boilers

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Q: What Are The Disadvantages Of Thermal Power Plant?

A: In the given question, We have to discuss about the disadvantage of thermal power plant.

Q: Saturated water vapor at 200°C is condensed to a saturated liquid at 50°C in a spring-loaded…

A:

Q: How does a diesel engine differ from a gasoline engine?

A: Given: Diesel and gasoline engine

Q: Discuss what is meant by the saying “You can never change only one thing.” Use a mathematical…

A: Write the equation of motion.

Q: Describe melting and boiling process on the basis of first law of thermodynamics.

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Q: 1-kg of water that is initially at 90°C with a quality of 10 percent occupies a spring-loaded…

A:

Q: Which has more entropy: (a)  a pile of bricks, or the resulting house;

A: Entropy is a measure of disorder and entropy increases when a thermodynamic system goes from an…

Q: The nutritional calorie (Calorie) is equivalent to 1 kcal. Onepound of body fat is equivalent to…

A: Given: 1 nutritional calorie = 1kcal 1 pound of fat = 4.1x103 nutritional calories amount of…

Q: 18. Modified True or False. Write TRUE if the statement is true, otherwise write FALSE. Support your…

A: This is not a 2nd law of thermodynamics.because the statement of 2nd law of thermodynamics we know…

Q: A piston cylinder contains air at 600 kPa, 10 ponts 290 K and a volume of 0.01 m3. A constant…

A: The work done is given as W=-P∆V…

Q: Why is it a bad idea to throw a spray can in a fire, even if the contents are not flammable. Use the…

A:

Q: If the ice gained 2 joules of energy, how much energy did the hot coffee lose?

A: Since there is no air inside the box, there is no chance of heating up any air. Also, since the box…

Q: Choose the correct dropdown for each statement below concerning these variables in thermodynamics.…

A: pressure is a state variable work is a path variable heat is a path variable entropy is a state…

Q: Thermodynamics

A:

Q: List the characteristics of an ideal fuel

A: Given; Charactersitic of an ideal fuel is as follows :

Q: Fuel oil in a day tank for use of an industrial boiler is tested with a hydrometer. The hydrometer…

A: Higher heating value of fuel is given by  QH=41130+139.6APIAPI=141.5SG15.60c-131.5

Q: For most automobiles, the number of miles per gallon decreases as highway speed increases. Fuel…

A: Kinetic energy can be expressed as

Q: What changes would allow your refrigerator to use less energy to run?

A: A refrigerator is a kind of a heat pump. A heat pump extracts the heat from a cold reservoir with…

Q: 6. Heat that causes change in temperature without a change in phase. 8. What subscript used/ symbol…

A:

Q: An inventor claims that his proposed engine has the following specification: Power developed 50kW;…

A:

Q: A runner burns 60. (food) calories per km. Convert this to miles per gallon of gasoline. Assume a…

A:

Q: Calculate the depth to which Avogadro’s number of table tennis balls would cover Earth. Each ball…

A:

Q: 120 g aluminum calorimeter contains 250 g of water having a temperature of 70. A 50 g piece of ice…

A: Let we consider final temperature of mixture=TSo , heat release by 250 g water of temperature…

Q: thermodynamics

A: Given:- T1=623.15 k  Vi=0.0006 m3/mole Vf=0.003 m3/mole Find:- a)  What is the temperature Tf=? b)…

Q: A 120 g aluminum calorimeter contains 250 g of water having a temperature of 70℃. A 50 g piece of…

A: Given: Initial temperature, T0 =  70 ℃ mass of water, mw = 250 g = 0.25 kg mass of aluminum, mal =…

Q: Distinguish between internal combustion engine and external combustion engine.

A: The internal combustion engine is different from the external combustion engine in the following…

Q: In a gasoline engine, fuel vapors are ignited by a spark. In a diesel engine, a fuel–air mixture is…

A:

Q: 12. Modified True or False. Write TRUE if the statement is true, otherwise write FALSE. Support your…

A: Given A statement determine whether it is true or false.

Q: In testing a new drug, you heat a 0.5-kilogram sample using a hot plate. Assume no energy is lost in…

A:

Q: Stan Moneymaker needs 15 gallons of gasoline to top off his automobile’s gas tank. If he drives an…

A: Max capacity = 15 gallons  Price that can be saved per gallon = $ 0.10 Mileage = 25 mpg  Cost to…

Q: explain the role of thermodynamics in metallurgical processes

A: Introduction: Metallurgy is basically the extraction of various metals from the lithosphere. And…

Q: Choose the BEST answer to the following: When water changes to steam, energy is (a) absorbed by the…

A: The phase change of water to steam is called evaporation. During any phase change energy is either…

Q: One kilogram of water is heated from 0°C to 100°C. Solve for the change in entropy of the water.

A: Given: specific heat of the water, = 4180 J/kg k   T1 = 00 c = 273 + 0=273 k    T2 = 1000 c = 273…