An inventor claims to have developed an engine that takes in 25 kJ/s at a temperature of 400 K, and rejects 10 kJ/s at a temperature of 200 K, and delivers 15 kW of mechanical power. Would you advise investing money to put this engine on the market?

Q: 6MPa. Calculate the network output in kW of an electric generator geared to the turbine when the air…

A:

Q: List the type of processes that occurs in a Carnot cycle. How could you design a Carnot engine with…

A:

Q: apable of delivering 0.15 kWh of work for every 1200 of heat received. As a patent officer, would…

A:

Q: Describe briefly the stages in a Carnot cycle. Support your answer with illustrations or diagrams.

A:

Q: No practical process, especially those involving heat, are 100% efficient.  Assess the energy losses…

A: Overall effectiveness of a gas turbine cycle depends essentially upon the pressure proportion of…

Q: Consider a steam generator of a capacity of 50000 kg/hr and an efficiency of 83%. If the energy…

A: Option b is correct.

Q: A steam power plant operates on a Rankine cycle as shown. II all kinetic and potential energy…

A: Given that, Pressure at 2-3 process, P2=P3=3 MPa,Pressure at 4-1 pressure, P4=P1=50 kPaTurbine at…

Q: DEFINE THE CARNOT CYCLE AND ITS VALUE IN ENGINEERING?

A: The Carnot cycle is an ideal theoretical cycle in thermodynamics. The Carnot cycle is primarily made…

Q: Problem 4 j. Steam at a flow rate of 5.21 kg/s enters a turbine at 9000 kPa and 650 °C and leaves at…

A:

Q: What are opposed piston, X-type, and H-type engines? Explain each of them with applications.

A: An engine that uses two crank shafts at opposite ends are called "Opposed Piston Engine".…

Q: ramjet engine is to be designed for a maximum thrust of 1000 lb at sea level at a velocity of 950…

A:

Q: a. Calculate the mass flow rate of air inducted to the engine. b. Based on your answers above,…

A:

Q: displacement volume 0.95 ft3 running at 2250 RPM, and a clearance volume of 15%. A 715 BTU/lbm of…

A:

Q: Stirling engine to perform 20 kJ of work per cycle.  How large would the engine need to be with a…

A: Given:W=20 KJ∆T=300°Cr=2.3

Q: 3. What are in-line engines ? It is possible to balance them completely

A:

Q: An engine, operating with an efficiency of 0.225, delivers 8.10 ✕ 105 J each minute. What is the…

A: Given data as per the question The efficiency of engine =0.225 The energy delivered =8.10✕105 J per…

Q: What is propulsive power? How is it related to thrust?

A: When a system(say any jet engine) expels or discharges accelerated mass in any one direction, there…

Q: (a) What is the hot reservoir temperature of a Carnot engine that has an efficiency of 42.0% and a…

A:

Q: Explain the major factors that affect the choice of turbines for hydropower generation.

A: there are certain parameters on which the selection of turbine depends.

Q: A Carnot engine operating between 527C and 27 C produces 600KW of work. Determine, (a) Qa, KW; (b)…

A: GivenT1=527oC=800KT2=27oC=300KW=600kW

Q: Consider the figure shown below. Compare a rectangular T-S Carnot Cycle and a square T-S Carnot…

A: As per carnot theorem For carnot cycles efficiency is function of only temperature limits. i.e.…

Q: A diesel engine produces 2200 J of mechanical work and rejects 4300 J of heat each cycle. (i) How…

A: given data- work done W = 2200 J heat rejected Qrej. = 4300 J  to determine- i) heat supplied Qsup.…

Q: The Dipping Bird Machine experiment:explain the dipping bird machine  motion in the context of a…

A:

Q: Discuss the energy conversions of this Stirling engine and qualitatively justify why its efficiency…

A: A Stirling engine is a heat engine that generates mechanical work by cyclically compressing and…

Q: A- 500 MW diesel engine power plant has an overall efficiency of 80%, calculate the fuel consumption…

A: To calculate the fuel consumption in liters per hour (L/hr) for a 500 MW diesel engine power plant…

Q: The choices below are all efficiency ratings for heat engines. Which is a Carnot engine?  1. 0.25…

A:

Q: Discuss the different types of aircraft gas turbine engines and their applications.

A: There are mention different types of aircraft gas turbine engines and its important applications.

Q: Steam turbines are much more flexible than gas turbines in terms of the heat sources they can use.…

A: The objectives that makes steam turbine more flexible are, 1: Shorter start up time and lower start…

Q: An incomplete expansion engine is supplied with steam at 1.95 Mpa and 400C. Release occurs at 0.14…

A:

Q: A Carnot engine has a thermal efficiency of 0.60. The temperature of the hot reservoir is 800 K and…

A: Given,

Q: temperature of 800°C and pressure 12MPa. Calculate the network output in kW of an electric generator…

A:

Q: A Camot engine rejects 1000 Btu/min at 500F and produces 40 hp. Determine (a) the temperature of…

A:

Q: Steam is supplied to a fully loaded 100 hp turbine at 200 psiabs with u1 = 1163.3 Btu/lb, V1 %3D =…

A:

Q: The net work output of this power plant is simply the difference between the total work output of…

A: The work-producing device that best fits into the definition of a heat engine is the steam power…

Q: A farmer is intending to invest in a diesel engine powered water pump for irrigation and domestic…

A:

Q: Assume all the processes to be reversible and the heat losses from the pump and the turbine to be…

A:

Q: An engineer proposed a design of cyclical engine that operates at the energy source whose…

A: Given: TL = 300 K TC = 550 K Wnet = 5 kW QL = 15000 kJ/h

Q: Why internal combustion engines with a high compression ratio are heavier than internal combustion…

A: Higher compression ratio is used for the diesel engine with approximate 12:1 to 16:1 This…

Laws of thermodynamics

Thermodynamics is a field of research, which needs the creation of absolute and ideal states and logical and practical examination of the actual conditions. By considering all the laws and theories of thermodynamics, the chemical reactions, the occurrence of processes, and physiological functions can be predicted with this field.