Consider an ocean thermal energy conversion (OTEC) power plant that operates on a temperature difference between deep 4°C water and 25°C surface water. Show that the Carnot efficiency of this plant is 7%.

Q: Which has more entropy: (a) popcorn kernels, or the resultingpopcorn

A: The entropy is the degree of randomness in a system. So, it will be more in gases, less in liquids…

Q: How entropy is associated with messy bedroom?

A: Define entropy. Entropy is the quantity of thermal energy per unit temperature of the given system…

Q: Show that the ideal efficiency is 90% for an engine in which fuel is heated to 3000K and the…

A: Given:Temperature of the fuel = 3000KTemperature of the surroundings = 300 KEfficiency = 90%

Q: Steam expands behind a piston doing 67,800 joules of work. If 12.7 kJ of heat is radiated to the…

A: Given ∆Q=-12.7kJ∆W=-67.8kJ

Q: Calculate the efficiency of a heat engine which extracts 3 billion Joules of useful work when 10…

A:

Q: Suppose you spend 30.0 minutes on a stair-climbing machine, climbing at a rate of 85 steps per…

A: Calculate the change in height.

Q: What must occur in cases where in entropy decreases?

A: The entropy is defined to be a measure of randomness. In other words, it is the amount of energy…

Q: Explain in broad terms the fundamental concepts of thermodynamics.

A: Thermodynamics is a concept through which we can study the dynamics of a system due to thermal…

Q: Calculate the ideal efficiency of an engine in which fuel is heated to 2700K and the surrounding air…

A:

Q: What is significance of first law of thermodynamics?

A: The first law of thermodynamics states that the change in internal energy of the system is equal to…

Q: A solar energy based heat engine which receives 80 kJ of heat at 100 deg C and rejects 70 kJ of heat…

A: Heat absorbed = 80 kJ Temperature of hot reservoir = 100oC Heat rejected = 70 kJ temperature of cold…

Q: What is entropy of a system?

A: Entropy is a measure of the randomness or molecular disorder of the system. It is a measure of…

Q: What is the intensive and extensive property of thermodynamics?

A: Intensive properties are those properties whose values do not depend on the quantity of matter.…

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: How do the first and second laws of thermodynamics affect our use of energy resources such as fossil…

A: The first law of thermodynamics is the conservation of energy which states that energy can neither…

Q: A thermodynamic process that happens very quickly tends to be:

A: A thermodynamic process that happens very quickly tends to be which process.

Q: Suppose you spend 30.0 minutes on a stairclimbing machine, climbing at a rate of 90.0 steps per…

A: The efficiency of the machine is

Q: A steam-driven turbine is one major component of an electric power plant. Why is it advantageous to…

A: A steam turbine works on the principal of conversion of energy. The energy in the steam stored in…

Q: Why are the back work ratios relatively high in gasturbine engines?

A:

Q: A heat engine is operated between temperature limits 1380°C and 428°F. Engine supplied with 14,142…

A:

Q: Caleu Jate the ekcfoical energy comsume d in Jou Jer if a toaetes of 58 W 18 ysed for 28 minutes P…

A:

Q: A power station with an efficiency of 0.4 generates 108 W of electric power and dissipates 1.5 × 108…

A: The heat energy required to raise the temperature of a substance is given by,

Q: Show that the ideal efficiency is 90% for an engine in which fuel is heated to 3000 K and the…

A: The temperature of the surrounding air,

Q: Speculate as to why nuclear power plants are less efficient than fossil-fuel plants based on…

A: The condition of an existing fossil fuel plants such as thermal plants has a furnace burning the…

Q: 13. To which mathematical property is Zeroth law of thermodynamics similar A. Associative property…

A: Zeroth law of thermodynamics: when a body A is in thermal equilibrium with body B and body C…

Q: What thermodynamic factors make something a good choice for storing energy?

A: Entropy and enthalpy are two of the basic factors of thermodynamics. Enthalpy is do with the…

Q: What is the physical explanation for the loss in entropy?

A: Physical Explanation of Entropy Entrpy is a measure of randomness of any system or associated with…

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: Suppose you spend 30.0 minutes on a stair-climbing machine, climbing at a rate of 75 steps per…

A: Given Weight W=150lb=150×4.44=666N Height of each step h=8×0.0254=0.2032 m Time t=30 min Step rate…

Q: Suppose you spend 30.0 minutes on a stair- climbing machine, climbing at a rate of 90.0 steps per…

A: Part A:

Q: The ideal efficiency for a heat engine operating between the temperatures of 430 degrees C and 27…

A: The correct answer is 57% i.e. option (A)

Q: Under what conditions is the first law of thermodynamics valid?

A: First law of thermodynamics states that, the energy can neither be created nor be destroyed, it can…

Q: What are the applications of First law of Thermodynamics?

A: The first law of thermodynamics is the conservation of energy principle stating that heat and work…

Q: Consider an engine with efficiency of 25 percent. How much must the temperature of the hot reservoir…

A:

Q: QUESTION 2 State the first law of thermodynamics?

A: First law of thermodynamics is based on the conservation of energy.

Q: What are the various states of equilibrium in thermodynamics?

A: Equilibrium is a state in thermodynamics, in which, at least one property remains constant. There…

Q: Steam engine is called a reciprocating double acting engine, Why?

A: Steam engine converts heat energy into mechanical energy and heat is then supplied into the engine…

Q: A steam power plant with a power output of 150 MW consumes coal at a rate of 60 tons/h. If the…

A: Given:  Output Power,Po = 150 MW = 150 x 106 W rat of coal consumption = 60 tons/h  Heating value of…