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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.

10,987 Questions

What are engineering careers from a-z?

A-Automotive Engineer

B-Biomedical Engineer

C-Chemical Engineer

D-Data Engineer

E-Electrical Engineer

F-Field Engineer

G-Geological Engineer

H- Head Engineer

I-Industrial Engineer

J-Java Engineer

K- Kinetic Engineer

L-Lighting Engineer

M-Mechanical Engineer

N- Nuclear Engineer

O- Optical Engineer

P- Petroleum Engineer

Q- Quality Engineer

R- Robotics Engineer

S- Software Engineer

T- Thermal Engineer

U- Utility Engineer

V- Vehicle Engineer

W- Weapons Engineer

X- X-Ray Engineers

Y- Yield Engineer

Z- Zoologist Engineer

How does an overhead oil tank provide lubrication in a steam turbine?

An overhead oil tank provides lubrication in a steam turbine by gravity feeding oil to the various lubrication points within the turbine system. The oil is stored in the tank at a higher elevation than the lubrication points, allowing it to flow down through a network of pipes and feed lines to reach the components requiring lubrication. This ensures a constant and reliable supply of oil to reduce friction and wear between moving parts, thereby optimizing the turbine's efficiency and longevity.

What is the difference between an inclined plane and a wedge?

Oh, dude, an inclined plane is like a gentle slope, you know, like a ramp for your skateboard. A wedge is basically like a sloped surface that's used to split stuff, like cutting a cake or popping open a door. So, like, one's for rolling stuff up, and the other is for wedging stuff apart. Easy peasy!

What is difference between full strength butt weld and full penetration butt weld?

a weld that does exactly what it sounds like, the molten metal that is created when welding is created all the way through the materials being welded.

for example, if it is a 1/16th inch steel plate, a full penetration weld would create a molten bead from the front to the back of the plate. A full pin weld is when u have a bevel on one side that u weld first flip it over arc air gouge the other side and weld that side up

Suppose that you exert 60 N on a machine and the machine exerts 300 N on another object What is the machine's mechanical advantage?

Oh, dude, mechanical advantage is just a ratio of forces, so it's like the force output divided by the force input. In this case, the machine's mechanical advantage would be 300 N (output) divided by 60 N (input), which equals 5. So, like, the mechanical advantage of the machine is 5.

How long does it take to make a modern day clock?

The length of time to make a modern day clock depends on how much detail you are putting into the clock. If you are using a simple clock kit from a craft store, you could finish the project in less than an hour.

What is the space between the threads of a screw?

Ah, the space between the threads of a screw is called the pitch. It's like the rhythm of a song, guiding the screw as it moves through a material. Just imagine each thread as a happy little tree, dancing along the path set by the pitch.

When a piece of mild steel is heated by the application of an electric Arc the metal.?

Oh, dude, when you heat up mild steel with an electric arc, the metal undergoes a process called thermal expansion where its particles start dancing around like they're at a metal concert. This causes the steel to expand and potentially change its physical properties, which can be pretty wild, man. Just make sure you don't get too close to that electric arc, unless you're into that crispy fried human look.

What is the difference between a234 and sa234?

In technical terms, "A234" refers to the ASTM standard specification for piping fittings of wrought carbon and alloy steel. On the other hand, "SA234" stands for the ASME standard specification for the same type of piping fittings. The key difference lies in the organizations that have developed these standards - ASTM (American Society for Testing and Materials) and ASME (American Society of Mechanical Engineers), respectively. Both standards provide guidelines for the manufacturing and testing of piping fittings, with ASME typically being more stringent due to its focus on pressure vessel and boiler applications.

What the examples of paired levers?

Paired levers are a type of mechanical lever system where two levers work together to create a mechanical advantage. Examples of paired levers include scissors, pliers, and wheelbarrows. In these systems, the effort applied to one lever is transferred to the second lever, allowing for increased force or distance output compared to the input force.

What is the purpose of a clearence hole in mechanical engineering and how does it affect the assembly process?

A clearance hole in mechanical engineering is a hole that is slightly larger than the diameter of a fastener. Its purpose is to allow the fastener to pass through easily without any interference. This helps simplify the assembly process by making it easier to align and insert the fastener, reducing the risk of damage to the components being assembled.

What is the purpose and function of an angle joint in mechanical engineering applications?

An angle joint in mechanical engineering applications is used to connect two components at an angle, allowing for movement and flexibility in the system. It helps to transfer motion and power between different parts while accommodating changes in direction.

Is shoe molding the same as quarter round?

Yes, shoe molding and quarter round are similar types of trim used in home construction, but they have slight differences in shape and size. Quarter round is typically a perfect quarter circle in shape, while shoe molding has a slightly more elongated profile. Both are used to cover gaps between baseboards and flooring.

What is casing and how does it impact the performance of a product?

Casing refers to the outer covering or shell of a product. It impacts performance by providing protection, durability, and aesthetics. A well-designed casing can enhance the product's functionality and appeal, while a poor casing can lead to damage or decreased performance.

What are the common uses of a small cutting tool?

Common uses of a small cutting tool include trimming, shaping, and cutting materials such as paper, fabric, plastic, and small objects. These tools are often used in crafting, DIY projects, and precision work that requires detailed cutting.

Major components of chiller unit?

The major components of a chiller unit include the compressor, condenser, evaporator, and expansion valve. The compressor is responsible for circulating the refrigerant through the system. The condenser releases heat from the refrigerant, causing it to condense into a liquid. The evaporator absorbs heat from the chilled water, causing the refrigerant to evaporate and cool the water. The expansion valve regulates the flow of refrigerant into the evaporator, controlling the cooling process.

Why is steel superior to iron?

Steel is superior to iron because it is an alloy of iron and carbon, which makes it stronger, more durable, and more resistant to corrosion. The carbon content in steel can be adjusted to create different grades with varying properties, such as hardness and flexibility, making it versatile for a wide range of applications. Additionally, steel can be easily formed into different shapes and sizes through various manufacturing processes, providing greater design flexibility compared to iron.

Which are best courses after diploma in mechanical engineering?

There are so many opportunities for higher studies after diploma in mech.

You can join various mechanical oriented B.tech courses like....

B.Tech Mechanical

B.Tech Automobile engineering

B.Tech Mechatronics

B.Tech Plastic engineering

B.Tech Aeronautical engineering

B.Tech Marine engineering

AME Aircraft Maintainence Engineering

If you want to do any short term courses there are so many options..

These are all 1 year courses listed below:

CNC training

CAD Training(autocad,proe,catian)....

Some colleges offer B.tech lateral entry 2nd year for diploma students.My opinion is better to continue ur studies from 2nd year....

How to cut cast iron effectively and safely?

To cut cast iron effectively and safely, use a specialized cutting tool like a reciprocating saw with a metal-cutting blade or a grinder with a diamond blade. Make sure to wear safety gear such as goggles and gloves, and work in a well-ventilated area to avoid inhaling dust. Mark the cutting line clearly and cut slowly and steadily to prevent overheating and potential cracking.

How do I install quarter round molding?

To install quarter round molding, first measure and cut the molding to fit the length of the wall. Then, use a nail gun or hammer and nails to secure the molding to the baseboard and wall. Fill any nail holes with wood filler and paint or stain the molding as desired.

How can I effectively clean rusty cast iron grill grates?

To effectively clean rusty cast iron grill grates, scrub them with a wire brush to remove rust and debris. Then, wash the grates with warm, soapy water and dry them thoroughly. Finally, season the grates with a thin layer of oil to prevent rusting in the future.

What is pyloric pump?

The pyloric pump is a muscular valve located between the stomach and the small intestine, specifically at the junction of the pylorus of the stomach and the duodenum of the small intestine. Its main function is to regulate the flow of partially digested food from the stomach into the small intestine. The pyloric pump contracts and relaxes to control the release of chyme (partially digested food) into the small intestine for further digestion and absorption. Dysfunction of the pyloric pump can lead to issues such as gastroparesis or delayed gastric emptying.

What is your opinion Of the screw as a lifting device?

As an educator with technical knowledge, I view the screw as a highly efficient lifting device due to its mechanical advantage gained from the pitch of its threads. The screw converts rotational motion into linear motion, allowing for controlled and precise lifting operations. Its design provides stability and can handle heavy loads with minimal effort. Overall, the screw is a versatile and reliable lifting mechanism widely used in various industries.

Difference between vector and scaler quantity?

Oh, dude, it's like this: a vector quantity has both magnitude and direction, like when you're driving and your GPS says to turn left in 500 meters. A scalar quantity, on the other hand, is just the magnitude without any pesky direction involved, like when you tell someone the temperature is 30 degrees Celsius. So, like, vectors are all about where you're going, and scalars are just like, "Eh, who cares about which way?"

What are the disadvantages of oblique drawings?

Oblique cavalier drawings tend to appear distorted and elongated. They are not considered as true projections despite being dimensionally correct.