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Mechanical Engineering

Mechanical Engineering is a branch of engineering that encompasses the generation and application of heat and mechanical power and the design, production, and use of machines and tools. Mechanical engineering involves application of the principles of dynamics, control, thermodynamics and heat transfer, fluid mechanics, strength of materials, materials science, electronics, and mathematics.

10,989 Questions

How do you calculate only turbine efficiency not turbine cycle efficiency?

by calculating the inlet steam enthalpy-outlet steam enthalpy

we will know the total kcal consumed for output mw

required kcal for 1 kwh=860

now campare this with your turbine kcal for 1kwh

now you came to know how much is your turbine efficiency................................................................................

What fluid is in a Stewart Warner mechanical water gauge capillary tube?

Ether

'This line is filled with ether gas, so if you have ever broken or cut one and get a funny smell or some white fluid on you, don't worry, it is not harmful'.

Where is the Suzuki 1980 key code?

The 1980 Suzuki key code switch is located near the ignition switch. This is the common location for most older models.

What is a class 150 gate valve?

Class 150 (AKA 150#) refers to the pressure/temperature rating of the valve. That class applies to steel and alloy steel valves. Common classes are 150, 300, 600, 900, 1500, 2500, 4500. There are also interpolated ratings and special classes, which basically are intermediate ratings. For more information click the Related Link shown below.

What does sluice mean?

The act of washing gold from river gravel through the use of a sluice box.

Will hydrogen gas corrode a bourdon tube?

Hydrogen is not a corrosive gas; but the hydrogen absorbed in metals may lead to the formation of metal hydrides and to embrittlement.

Where can you find a 5 inch sine bar chart?

See related links for information about sine charts.

Stainless steel is not magnetic. Is it true?

Yes. That is true. Stainless steel is NOT magnetic. Mild steel is.

There are three types of stainless steel. AUSTENITICThese are the 300 series, IE 304, 316 etc. These are non magnetic. Next are the FERRITIC & MARTENSITIC types.These stainless steels are of the 400 range like 409, 430. The latter type has high mechanical strength and is used as knives etc. They can also have additional alloying elements depending upon the knife quality. These SS are magnetic. However the attraction is weak compared to normal carbon steels without nickle or chrome content.

What is the primary and secondary combustion air?

I believe the primary combustion of air in a standard recriprocating engine is the initial burn of fuel/air in the piston. As the exhaust gases leave the engine, vehicles equiped with EGR (exhaust gas recirculation) have sensors to detect quality of combustion byproducts and feed exhaust back into the piston. This is a second burn.

What is the basic fuel feed system of a petrol engine?

The fuel feed system refer to those parts which work together to provide a constant supply of fuel to the engine. The basic parts are: Fuel tank, fuel filter, fuel lines and hoses, fuel pump and carburettor or fuel injector. I do not like how the question is phrased though.

What is duplex stainless steel?

Duplex stainless steel are extremely corrosion resistant, work hardenable alloys. Their microstructures consist of a mixture of austenite and ferrite phases. As a result, duplex stainless steels display properties characteristic of both austenitic and ferritic stainless steels. This combination of properties can mean some compromise when compared with pure austenitic and pure ferritic grades.

Hi i have a citroen saxo s reg 1.5D and it is knocking like a drive shaft but it dont do it all the time what do you think i should do shall i try a new drive shaft?

hi i have a citroen saxo s reg 1.5D and it is knocking like a drive shaft but it dont do it all the time what do u think i should do shall i try a new drive shaft?

How do you design a sign foundation?

1. Define the frontal area of the sign

2. Wind Pressure (lb/sf) = 0.013 x (wind speed mph x 0.45)^2

3. Multiply the frontal area of the sign by wind speed to find the horizontal force (in pounds) concentrated at a point defined by the centroid of the area defined in step 1.

4. With known soil properties, use the maximum stress method developed by Broms or Rutledge. The equation used will vary depending if your soil is granular or cohesive.

How much is a builders yearly salary?

There are no set salary rates for craft workers. You are likely to start on about $24,000 (£12,000) a year.

Experienced craft workers earn around $36,000 (£18,000) a year.

Senior workers can earn up to $40,000 (£20,000) a year.

What is sae number of hlp 68?

SAE stands for Society of Automative Engineers and HLP 68 is DIN test for hydrulic oil with viscocity of 40. Both should be different.

Why a hot shower fogs up a bathroom mirror?

the heat from the shower causes it to fog and if ur window for the bathroom is small then it takes a while for the air to escape causing the smoke to become traped to your mirror like if u blow your breath towards the mirror then it fogs and also not only your mirror gets foggy but also the floor or wall.thank u very much

What is difference between cad welding and cold welding?

During the game, hit ~ and then type either

morehp --- bonus hp

moreall --- bombs

unevery --- unlock everything

god --- auto