Determine the change in internal energy and enthalpy

Assignment Help Mechanical Engineering
Reference no: EM13707470

2 kg of saturated liquid water at 1bar is compressed to 25bar and 100C in a water pump. Determine the change in internal energy (kJ) and enthalpy (kJ) of water in two ways

a) Using the compressed liquid tables

b) Using the approximation for compressed liquid state

Reference no: EM13707470

Questions Cloud

What differentiates the chosen business from others : What differentiates the chosen business from others, and the markets the business serves?Provide a written company description. Be sure to include all the basic components of a company description.
International business expansion opportunity : 2- Description of the Venture:  a. Identify the key issues in the scenario and the goals of your expansion 3- Literature Review
Reinventing the orange county medical association : Review the case study, Reinventing the Orange County Medical Association for the 21st Century, presented in Chapter 1 of the course text. Use Gulick's seven major functions of executive management (planning, organizing, staffing, directing, co..
Which phases of the project life cycle : The highest dollar risk impact generally occurs during which phases of the project life cycle? a. Concept and planning b. Planning and implementation c. Implementation and closeout
Determine the change in internal energy and enthalpy : 2 kg of saturated liquid water at 1bar is compressed to 25bar and 100C in a water pump. Determine the change in internal energy (kJ) and enthalpy (kJ) of water in two ways. Using the compressed liquid tables
Aluminium has a density : Aluminium has a density of 2.7 g/cm3. Suppose you would like to produce a composite material based on aluminium having a density of 1.5 g/cm3. Design a material that would have this density. Would introducing polyethylene, with a density of 0.95 g/cm..
A piston-cylinder assembly contains ammonia initially : A piston-cylinder assembly contains Ammonia initially at a pressure p = 500 kPa and specific volume v = 0.24533 m^3/kg (state 1). Expansion occurs to a state where the pressure is 150 kPa (state 2). During the process the pressure and specific volume..
Force on piston is proportional to cylinder volume squared : A cylinder fitted with a piston containing 1kg of Refrigerant 134a at 20C and 90% vapor quality is attached to a line flowing Refrigerant 134a. The total force on the piston is proportional to the cylinder volume squared.
What is amount of air mass that passes through wind turbine : What is the amount of air mass that passes through a wind turbine swpet area per minute if the turbine has 42m long blades and the air flux is 8kg/m^2s ?

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Determine the power produced and the rate of process heat

steam is generated in the boiler of a cogeneration plant at 10 mpa and 450 degrees c at a steady rate of 5 kgs. in

  Calculate the effectiveness of the heat exchanger if the

a double pipe heat exchanger has an effectiveness of 0.5 when the flow is counter current and the thermal capacity of

  If a coal-burning electrical generating plant burns 2 tons

if a coal-burning electrical generating plant burns 2 tons of coal to generate 6000 kwh of electricity calculate the

  The air passing through the valve has a speed of 300 ms and

a tank of 0.05 m3 volume air at 800 kpa absolute and 15 c. at t0 air begins escaping from the tank through a valve with

  In a gas turbine natural gas methane and stoichiometric air

in a gas turbine natural gas methane and stoichiometric air flow into the combustion chamber at 1000kpa 500k. secondary

  The performance of a device is defined as the ratio of the

the performance of a device is defined as the ratio of the desired output to the required input and this definition can

  Determine a the highest temperature and pressure in the

the pressure temperature and volume at the beginning of the compression process in an air-standard otto cycle are 100

  Determine the heat transfer for this process

during this process heat is exchanged with surrounding such that the entire air remains at 30 degree celsius at all times.determine the heat transfer for this process.

  Determine the steady state rate of heat transfer per unit

determine the steady state rate of heat transfer per unit area through a 4.0 cm thick homogeneous slab with its two

  A storage tank for natural ng has a top dome that can move

a storage tank for natural ng has a top dome that can move up or down as gas is added or subtracted from the tank

  Determine the heat loss per unit mass from the water wkg

the l1m long vertical copper tube of inner diameter di20mm and wall thickness t2mm contains liquid water at twater0

  An aluminum thin-walled cylinder is 40 mm id inner diameter

an aluminum thin-walled cylinder is 40 mm id inner diameter by 50mm od outer diameter and is subjected to an internal

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd