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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

What is the average starting salary of mechanical engineering in Dubai in us dollars?

The average starting Salary for a Mechanical Engineer in Dubai is 108,765 AED. This roughly translates to 29,611 dollars in America.

How do you calculate repeatability?

Repeatability is defined as the measurement variability found when the same item is measured repeatedly with a specific gauge by the same operator. To calculate repeatability, follow these guidelines and repeat an experiment multiple times. The repeatability is the standard deviation of repeat measurements by the same operator.

Comparison between compressor and water pump?

There are many different types of devices called compressors and pumps. In general, pumps move fluid while compressors create pressure. Pumps are usually associated with liquids while compressors are associated with gasses. In the end it is just language, and there are plenty of examples contradicting both those rules of thumb.

What the 5 major industries in India?

what are the major industries in india

Textiles, Chemicals, Food Processing, Steel, Cement


Why the color of a weight lifting Crane is yellow?

I think you'll find that actually, not all cranes are yellow. Other popular colours for cranes include red and white.
However, construction vehicles such as rollers, bulldozers and cranes are often yellow as it is the most visible colour. This is important, as these machines can be very dangerous, and it is best that nearby people are aware of them.

Why should a belt pulley be used over gears in Robotics?

Because with a belt pulley, when you change directions the tension remains constant and there is no "play" providing a more consistent positioning of the pulley. With a gear there is "play" or slack in the gears to allow them to roll freely. But when you change directions, your positioning will not be as precise. If gears were installed without play or a small amount of slack they would wear out prematurely. Belts can be installed with a tight - somewhat stretched fit and will provide much more accurate positioning while transferring power.

What is steam turbine overspeed tester?

Over speed test will be executed to ensure that the pump will tripped due to over speed.

There is an electronic tripped set point by governor valve closing when the actual speed reach to maximum governor speed as well as Mechanical trip which will occur when the speed reach to electronic tripped and the valve not close due to malfunction of governor valve. Mechanical latch lever will slid to cut the HP steam.

Electronic maximum governor speed will be less than mechanical speed set point.

What is the explanation of sa 105?

It is an ASME Standard for Carbon stell forgings, rounds

What was Robert Goddard's goal?

His first goal was to build a sounding rocket with which to study the atmosphere.

Why tanker in trucks are in oval shape?

oval tanks for liquid provide better stability in motion than any other tanks.

What do you mean by SAE an motor oil?

SAE stands for Society of Automotive Engineers. Sae ratings pertain to the oils Viscosity. Viscosity is the flowability (resistance to flow) at a particular temperature.

State three things that can reduce the flow of a fluid in a pipe?

When a leak has occured in the pipe, or when there's to many twists and turns in the pipe, or when there's a blockage in the pipe.

Is mild steel one of the more difficult metals to gas weld?

No. It is the easiest to weld as the metal puddles well, and the heat runs evenly through the joint.

What is the average Boiler Tube Lifespan?

The average lifespan of a boiler tube is 20 to 40 years. Boiler tubes are made out of heat-resistant carbon and low-alloy steel.

What is touch step?

Step-Touch-step in any direction on one foot by putting all your weight on it and touching the floor with the ball of the foot, Touch drag or touch kick ball.

How do you calibrate control valve?

By using calibrator we can easily calibrate, just we need a air line having pressure of 6 kg as input of control valve.

for example :

4mA control valve in close postion

8mA 25% open

12mA 50%

16mA 75%

20mA 100%

What are all the standards for HVAC systems?

The standards for HVAC systems is that it provides both the indoor and outdoor equipment that adhere to the local and state building codes.

Why is oxyactylene welding is not used in high responsibility fusion welding?

Oxyacetylene Welding is not used in high responsibility fusion welding because fusion welding requires two metals to be fused without melting whereas Oxyacetylene Welding involves the melting of metals so this process is not suitable.

By Makeveli

How to calculate the ms square hollow section tube with example?

convert the tubes dimensions into linear measurement's using Pi and then the volumetric calculations become much more obvious. Mike Webster.

Why is NC lathe frame structure slanting 60 degrees?

The bed of a NC lathe is at an angle just to ensure swarf slides to the bottom of the machine for collection. They are referred to as "slant-bed lathes". The angle of the bed is dependent to the manufacturer. Some built 90 degree or vertical beds (Monarch Machine Tool Series 220 for example), and others built lathes at varying angles from horizontal, 70, 60 and 45 degrees are the most common, with 45 degrees about the shallowest angle that can be had and still have good chip flow. Other builders use a horizontal base, and use a triangular carriage to achieve the slant effect to shed chips and coolant.

How do you convert kilograms to square centimeters?

The units cannot be converted.

(The mass in kilograms can only define a pressure if you have the area supporting the mass in cm2. You would divide the number of kilograms by the square centimeters.