First law of thermodynamics, Mechanical Engineering

Assignment Help:

First law of thermodynamics:

The First Law of Thermodynamics states that work and heat are equally convertible. The present tendency is to include all the forms of energy. The First Law can be stated in a number of ways:

1. Energy can neither be created nor destroyed; but it can be conserved from one form to another.

2. All energy which goes into system comes out in some form or the other. Energy does not disappear and has the ability to be converted into any other form of the energy.

3. If system is carried through cycle, the summation of work delivered to surroundings is equal to summation of heat taken from surroundings.

4. No machine can generate energy without corresponding expenditure of energy.

5. Total energy of isolated system in all the form, remain constant

The first law of thermodynamics cannot be proved mathematically. 

 

 


Related Discussions:- First law of thermodynamics

Material science, give me assinment for Bearing material

give me assinment for Bearing material

Horizontal deflection , A  truss  is  shown  in  the  given figure. Compute...

A  truss  is  shown  in  the  given figure. Compute  the horizontal deflection of  joint D formed by  both  the  load  and  fabrication  error  (bar  AE  is  30mm  too  long).  For

Coefficients of friction, Coefficients of friction: The coefficients o...

Coefficients of friction: The coefficients of friction under the sliding supports of the door in Figure are equal to 0.30 at A and 0.20 at B. What forces P shall give the 25 k

Internal combustion engines, During a test on a Lister engine in a thermal ...

During a test on a Lister engine in a thermal laboratory, following parameters were measured; crank shaft speed=1,750rpm Load on dynamometer=220N Radius of dynamometer=1.5m Fuel co

Determine the forces in strings, Determine the forces in strings: The...

Determine the forces in strings: The Electric light fixture weighing 15N hangs from point C , by two strings AC and BC . AC is inclined at 60° to the horizontal and BC

The dimension style command-autocad, The Dimension Style Command The Di...

The Dimension Style Command The Dimension Style command can be used to change appearance of dimensions. The best method  to create a new style before you can start creating dim

Connected rod - part of combustion engine, Connecte d Rod: It is att...

Connecte d Rod: It is attached to piston at its small end by means of gudgeon pin. The big end bearing is connected to crank pin. It is made up of forged steel.

Evaluate stress in fibre, Evaluate stress in fibre: Example, the matri...

Evaluate stress in fibre: Example, the matrix material can be stressed to its full strength of 80 MPa, calculate the allowable % of broken fibres. What will be the stress in f

Write Your Message!

Captcha
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