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What is The Physical Significance of Grashof Number ?

What is The Physical Significance of Grashof Number ?

Grashof Number is a non-dimensional number used both in fluid mechanics and heat transfer. This number is frequently used in cases where natural convection is involved.  It is named after a German engineer Franz Grashof. There are many dimensionless groups or numbers available which come into play according to the respective dominant forces associated with […]

December 23, 2016 | By | Reply More
Functions of Different Parts of a Lathe Machine

Functions of Different Parts of a Lathe Machine

Previously I posted an article about the different parts of a lathe machine. In this article I will try to discuss all the functions of the parts in details. Click on the picture for a better view of the picture. The parts are indicated in the picture. Find out the parts and read about the […]

December 21, 2016 | By | 4 Replies More
Refrigeration & Air Conditioning Interview Questions with Answers Part – 03

Refrigeration & Air Conditioning Interview Questions with Answers Part – 03

We got some good response for the previous articles of refrigeration and air conditioning . So a stream of  articles relating to refrigeration and air conditioning interview questions will be published for some time. If you haven’t tried the previous articles then have a look at the following links : Refrigeration & Air Conditioning Interview […]

October 14, 2016 | By | Reply More
Differences Reaming and Boring Tools – Basics

Differences Reaming and Boring Tools – Basics

Types of Reaming tools / Reams Reams are needed to ensure exact size of the hole . It also provides great surface finish. A small amount of material is remove from the drilled hole. Reamer can be hand operated or machine operated. But they should be operated at slow speed.  Names of the different types […]

September 16, 2016 | By | Reply More
Different Parts of CNC Lathe Machine

Different Parts of CNC Lathe Machine

The control and movement of the lathe machines can be done with the help of computers. The function of the lathe machine actuated by the Computer Numerical Controls (CNC) is known as CNC lathe. Have a look at the figure for a clear idea – CNC Lathe Machine Parts Vice: Vice is actually like a clamp […]

September 11, 2016 | By | Reply More
Basics of Mechanical Engineering – Interview Questions Part-10

Basics of Mechanical Engineering – Interview Questions Part-10

I tried to cover some basic mechanical interview question in this article. You will find more than 50 Mechanical Engineering Questions which include thermodynamics, solid mechanics, mechanics of machinery, fluid mechanics, Heat transfer, Refrigeration and Air Conditioning Viva Questions, Power Plant Questions and many more. Hope this will to improve your basics of mechanical engineering. […]

June 12, 2016 | By | 1 Reply More
Stress-Strain Curve for Mild Steel with Stress-Strain Relationship

Stress-Strain Curve for Mild Steel with Stress-Strain Relationship

Before entering to the main topic of stress-strain curve we have to know about stress and strain. elasticity and plasticity, hook’s law and young’s modulus of elasticity. What is stress ? If a applied force causes change in the dimension of the material then the material is in the state of stress. If we divide […]

June 1, 2016 | By | 3 Replies More
Refrigeration and Air Conditioning Problems Solution Part -2

Refrigeration and Air Conditioning Problems Solution Part -2

In this article we will be solving a general refrigeration and air conditioning problems solution.  We will also discuss about some common questions and answers. Please follow the link for viva questions of refrigeration and air conditioning. Refrigeration and Air Conditioning Interview Questions Part – 01  Mechanical Engineering Interview Questions Part 01  Mechanical Engineering Interview […]

May 31, 2016 | By | Reply More
Mechanical Engineering Interview Questions Part – 9

Mechanical Engineering Interview Questions Part – 9

This part 9 of the mechanical engineering inteview questions involve the questions and answers of fluid mechanics , power plant engineering, thermodynamics etc. For further information go through these links: Mechanical Engineering Interview Questions Part 01  Mechanical Engineering Interview Questions Part  02  Mechanical Engineering Interview Questions Part  03  Mechanical Engineering Interview Questions Part  04  Mechanical […]

May 28, 2016 | By | 3 Replies More
Combined Cycle Power Plant with Topping and Bottoming Cycles

Combined Cycle Power Plant with Topping and Bottoming Cycles

In combined cycle power plant Gas turbine and steam cycle work together. Steam Turbine runs on Rankin Cycle and Gas Turbine runs on Brayton Cycle. The diagram of the cycle is shown here. Please read : Gas turbine cycle with reheat , regeneration and intercooling. Steps involved in the running of Combined Cycle Power Plant […]

May 26, 2016 | By | Reply More