The temperature of reservoir of Carnot’s engine operating with an efficiency of 70% is 1000K. What is the temperature of source? a) 300K b) 400K c) 500K d) 700K
Q: Choose a correct statement for a gas undergoing isothermal change: O a The volume of the gas is…
A: For isothermal change, temperature remains constant. Volume and pressure changes.
Q: Sajjad and Rohan are experimenting with water. They create a heat engine where the hot reservoir is…
A: Given: TH = 373 K TC = 273 K
Q: engine is represented on a PV- diagram, then the area enclosed by the curve is equal CO the heat…
A: In P-V cycle of heat engine Pressure values are taken on y axis Volume values are taken on x axis…
Q: A constant volume of (a) 1 cubic meter and (b) 3 cubic meter is used to heat a set quantity of an…
A: The Energy required is directly proportional to the volume for a constant temperature change.
Q: The exhaust temperature of a heat engine is 230 degrees Celsius. What must be the high temperature…
A: exhaust temperature of heat engine (TL) = 230oC carnot efficiency percentage = 28%
Q: Free expansion Reversible isochoric heating reversible isothermal expansion Adiabatic comp
A: Given:- Consider the following thermodynamic processes for an ideal gas Free expansion Reversible…
Q: The inside and outside temperature of a refrigerator are 273K and 303K respectively. Assuming that…
A: Option
Q: 40) A certain heat engine extracts 1.30 kJ of heat from a hot temperature reservoir and discharges…
A:
Q: Which is the most effective way to increase the efficiency of a Carnot heat engine: a)…
A: The efficiency of Carnot engine is defined as, η=1-T2T1 Let the temperature of high-temperature…
Q: Consider the following processes: The temperature of two identical gases are increased from the same…
A: Write the equation for the change in entropy for the constant volume process (Gas A). (ΔS) v = Cv ln…
Q: Shuk Yee and Jason add QH = 43 J to an ideal gas undergoing the process below. What is the thermal…
A: Efficiency(η) is the ratio of output heat/energy(Qo) to the input heat/energy(Qi). i.e. :- η=QoQi It…
Q: You are part of a team that is completing a mechanical-engineering project. Your team built a steam…
A:
Q: Find the work done when 1 mole of a gas that has the equation of state PV=RT+APT-BP expands in an…
A: Given data:- The given equation of state is, PV=RT+APT-BP
Q: An engine working between 300 K and 600 K has work output of 800 J per cycle. The amount of heat…
A: Assuming a Carnot Engine, the efficiency of the engine is given by: n = 1 - Tc/Th = 1 - (300/600) =…
Q: What is the change of entropy when a 90-gram icecube melts at 0°C? ○ 110 J/K O 72 J/K O 185 J/K O-14…
A: Given Mass of ice = 90 g Ice melt at 0 ° C We have to calculate the change in entropy.
Q: Air with a flow rate of 20 m³/s enters a compressor at 100 kPa and 20°C and is compressed to 400…
A: Given Data: The mass flow rate of air m˙=20 m3s The inlet temperature of the air T1=20° C Inlet…
Q: A Carnot heat engine operates between Tc = 264 K and Th= 485 K. What is its efficiency? O 0.54 O…
A:
Q: A gas undergoes a thermodynamic cycle as shown. What is the change in internal energy for the cycle?
A:
Q: A carnot engine takes 2000 J of heat from a reservoir at 300 K, does some work, and discard some…
A: Given data: The high temperature reservoir is at TH=300 K. The lower temperature reservoir is at…
Q: If the system shown below is used to run a refrigerator, which of the following is true for the x to…
A:
Q: A 15-ft3 steel container that has a mass of 75 lbm when empty is filled with liquid water.…
A: The heat transferred to the environment can be obtained as
Q: In the figure below you see the process done by 9.0 moles of an ideal gas with adiabatic constant…
A: Given: The gas is an ideal gas Number of moles of gas n=9 Adiabatic constant γ=1.6 The (P,V,T)…
Q: An air conditioner is operating between the two temperatures 70 °C and 40 °C. The cooling capacity…
A:
Q: A particular Carnot heat engine has two reservoirs held at different temperatures of 320 K and 2220…
A: Required : The correct option.
Q: The temperature of sink of Carnot’s engine is 27°C. If the efficiency of the engine is 25%, then the…
A: C
Q: The choices below are all efficiency ratings for heat engines. Which is a Carnot engine?
A: Efficiency of any Carnot engine is always less than 1. η=1-T2T1<…
Q: What is the value of the change in Gibbs free energy for a system undergoing an isothermal and…
A:
Q: 9.0 - C PV=constant 6.0 PV=constant atm) 1.5- A 1.0- 24.0 V (m3) 4,0
A:
Q: Consider three assemblies at the same T and P, of identical non-interacting systems, the weights of…
A: Three assemblies of same T and P of identical non-interacting systems whose weights are given as…
Q: Which of the following processes does not involve a change in entropy?A. An electric heater raises…
A: Entropy change is the measure of change in thermal energy per unit temperature of the system.
Q: how much work is done on the gas in this process? P (KPa) 400 200- 0- V (cm³) 100 200 300
A:
Q: A Carnot engine, whose sink is at 300 K, has an efficiency of 40%. By how much should the…
A: D
Q: An engine has a hot-reservoir temperature of 900 K and a cold-reservoir temperature of 600 K. The…
A: We are given a heat engine. This heat engine is not Carnot engine. We are given the efficiency of…
Q: a heat of fusion of 80 cal/g and a heat of vaporization of 540 cal/g. What is the entropy change in…
A: Given data - amount of water (m)= 30 g latent heat of fusion (l) =…
Q: process. Which of the following statements are true? a) No heat is added to or removed from the gas…
A: The process in which, the temperature is a constant is called a isothermal process.
Q: 3 moles of O2 at 1 atm and 500K expands isothermally to 0.3 m3. What is the change in entropy of the…
A: ...
Q: A thermal engine absorbs 1500 J of heat from a gas at a temperature of 250°K and discards 1200 J of…
A: a)We know that work done is given as Qin -Qout hence work done = 1500 J -1200 J =300 J b) Thermal…
Q: Which of the following is not true of both internal and external combustion engines? Select one:…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: In the figure below you see the process done by 9.0 moles of an ideal gas with adiabatic constant…
A:
Q: A process is carried out between 2 systems. It is possible for entropy of one system to decrease.…
A: A
Q: What is the efficiency of a Carnot engine operating as heat engine between two reservoirs at 500K…
A: The efficiency of the Carnot engine is 0.8.
Q: Q2) A gas undergoes a series of pressure and volume changes as shown in the graph below. (a) How…
A: In the given graph, A gas undergoes a series of pressure and volume changes.Then We have to…
Q: Explain the Second law of Thermodynamics ?
A: Naturally, the heat energy is flowing from the hotter place to the colder place. The natural process…
Q: An ideal gas is compressed adiabatically from an initial volume V to a final volume aV and a work W…
A:
Q: Air compressed in a diesel engine from an initial pressure of 13 psia and a temperature of 120 °F to…
A:
Q: Q8: From the P-V diagrams below find the network for the cycle process of 1 mole gas at 27°C. A P…
A:
Q: Question 36 A turbine, with isentropic efficiency 68% has a pressure ratio of 8. At the intake, air…
A:
The temperature of reservoir of Carnot’s engine operating with an efficiency of 70% is 1000K. What is the temperature of source?
a) 300K
b) 400K
c) 500K
d) 700K
Step by step
Solved in 2 steps
