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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

Can you torque 8.8 grade steel?

Of course! Grade 8.8 fasteners are often refered to as "high tensile" fasteners where "8.8" refers to the tensile yield strength of 640MPa (UTS: 800MPa) and standard torque figure calculations apply based on bolt diameter (root diameter of thread), grade (8.8 in this case), 90% Yield strength and adjusted for surface finish and lubrication. Refer to engineering handbooks or good ol' google.

What is benson load in a supercritical boiler?

Benson point at which vertical steam separator run dry because entering water is converted completly to steam.

How do you know when a hydraulic jack has the right amount of oil?

Make sure the jack is all the way in the lowered setting. Fill the reservoir to almost the top.

What is trochoidal pump?

The axial flow pump with a piston to move in a few.

Why does brake fluid message keep coming on in 2005 Malibu when fluid is fine?

Well, if the brake fluid is fine, yet there is a message saying "brake fluid" or "low brake fluid level", then there is a possibility that that the float sensor in the reservoir is faulty, the wiring leading to the sensor is faulty, or the computer is faulty.

How do you shrink fit a steel rod on a steel plate?

Heat the plate then, insert the rod. Hole in plate slightly smaller than rod.

Why does secateurs use arched blades?

To prevent the stem or branch being cut from slipping out of the blades. Instead the curve blade tends to push the item being cut toward the cutting edge.

Difference between an orifice plate and a restriction orifice?

An orifice plate is a plat eused to measure flow. Pressure sensors are placed upstream and downstream of the the plate and hepressure differential is used with Bernoullis Equation t compute flow (including some experimental factors). A retriction plate is similar to an orifice plate but is much thicker. It is used to drop pressure upstream of a system. The convergence, throttlnig through thick section and divergece works the fluid and reduces total energy (transformed in firction, heat etc). This leads to an overall pressure reduction.

How do you learn about offsets and pipe bending?

You can check the links to the right, they might help you in finding some information on pipe bending and offsets.

A a tensile rod in a mechanism is made from aisi 4140 oqt 1300 steel it has a rectangular cross section 30mm 20mm and a length of 700mm it is to be used in the following manner?

A tensile rod in a mechanism is made from AISI 4140 OQT 1300 steel. It has a rectangular cross section , 30mm*20mm & a length of 700mm.It is to be

Which lining does most of the braking on a dual-servo brake?

I'm going to say the secondary (facing rearward) lining on dual-servo drum brake does more work than the primary (facing forward) lining because the rear lining is almost always longer than the front lining to compensate for more wear.

How do you diagnose a hydraulic jack repair on a engine hoist It will pressurize some but not enough to raise an engine?

The internal seals are shot. If it's a quality built jack, made in USA, repair kits are available. If it's made in China, throw it away and buy another POS made in China. Sorry, that's how I feel about that.

What is the procedure to visit sriharikota as industrial visit by engineering students?

Yes the ISRO provides you the facility to visit over the organization

For visit the ISRO fist of all your college representative should go on the Human Resource department and apply

The permission

Then the department allots you one spice day to visit over there

They first of all tell you the actual process of the working in a hall

Your go there at the fixed time one person will go with you and give answer of all questions of you

Thank you

If you need more information about it or any other thing then feel free to asked me

What does employment per 1000 jobs mean?

Employment per 1,000 jobs means he number of jobs in a given location for a specific occupation per 1,000 jobs. It gives an idea how many employment opportunities are available.

What temperature is required to crack cast iron?

To crack cast iron, temperatures generally need to exceed 1,200°F (about 650°C). At this high temperature, the material becomes more brittle and susceptible to thermal stress. Rapid cooling or thermal shock can also induce cracking, even at lower temperatures, if the cast iron has been heated unevenly. It's essential to handle cast iron carefully during heating and cooling to prevent such damage.

How many gears does a sports motorbike have?

Most sports motorbikes typically have between 6 to 7 gears. This allows for a balance of acceleration and top speed, enabling the rider to efficiently manage power across various speeds. Some high-performance models may have more advanced transmission systems, but the standard remains around 6 gears.

Why synthetic oils are used in gas turbine lubrication systems?

Synthetic oils are used in gas turbine lubrication systems primarily due to their superior thermal stability and resistance to oxidation, which are critical for high-temperature environments. They maintain viscosity over a wide temperature range, ensuring effective lubrication even under extreme conditions. Additionally, synthetic oils offer improved fluidity at low temperatures and reduced volatility, contributing to enhanced performance and longevity of the turbine components. This leads to reduced maintenance needs and increased efficiency in gas turbine operations.