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Engineering

Engineering is an art and profession devoted to designing, constructing, and operating the structures, machines, and other devices of industry and everyday life.

5,839 Questions

What do yield engineers do?

It is important to check the yield because we must be confirn that mix we are getting in actual is equal to the theorotical mass of concrete.

What are the Young's modulus and Poisson's ratio values for dry sand?

There is no simple answer for this. It can vary a lot depending on many factors, such as grading, stress history etc. There is no simple answer for this. It can vary a lot depending on many factors, such as grading, stress history etc.

What is the diameter of a spherical protein if the protein is spherical and has a density of 1gcm3?

To answer this question, the mass of the spherical protein is needed. the fact that the protein is a sphere and that it has a density of 1gcm3 is not enough information to determine the diameter.

What purpose do flywheels serve in marine engineering machinery?

when you start a marine diesel engine you need alot of inertia to make the engine carry its self around and around to create power out put. once the engine has first fired up the fly wheel helps to matain the inertia so the engine will not stall of its own accord.

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It also helps to dampen vibrations caused by the firing of individual cylinders by absorbing the pulsing torque created.

What is a micro-alloy?

It is an element added in much smaller amounts than conventional alloys. For example, in the case of steel, niobium is added in the amount of one hundredth of a percent, compared with manganeae, nickel and chromiom for example which are added in amounts of one or two or several percents. J.Malcolm Gray, Founder of Microalloying International in 1976. jmalcolmgray@aol.com

What ia a fpso i know it is rig .i would like to know the full name of fpso?

FPSO is an acronym for Floating Production, Storage, Offtake (or Offload). An FPSO is typically a big ship used in the oil industry in deepwater producing oil fields. The wells are at the seabed and flow back to the FPSO. The ship is moored in place and contains the production equipment used to process the oil. Once processed, the oil is stored in the hull of the FPSO. Once there is enough oil in stored in the FPSO, a tanker will pull near the FPSO and the oil will be pumped from the FPSO to the tanker.

Can you use sea water in geothermal plant?

Geothermal energy is often though of as having geological structure involved. But water-source heat pumps are also regarded as geothermal for the purpose of classification. Sea water can certainly be used for these.

It is possible you are referring to the circulating water for the plant, and in this case sea water might be possible, but probably would not be very practical.

How would an engineering drawing be used?

It is a blue print or a copy on paper for the specifications of an item to be produced or manufactured

You work with nitrogen pony bottles as a portable source for compressed gas When full the internal pressure is about 2200psi Is the nitrogen a gas or is it in a two phase gasliquid state at 300k?

Neither, the nitrogen is in it's super critical phase. if both T and P are greater than or equal to 126.2K or 33.54 ATM the two phases are indistinguishable.

How does air temperature affect sound speed?

The speed of sound in air changes clearly with temperature, a little bit with humidity − but not with air pressure (atmospheric pressure).
Statement: The static air pressure p_ and the density ρ of air (air density) are proportional at the same temperature, because the ratio p_ / ρ is always constant, on a high mountain or even on sea level altitude.
Notice: The ratio p_ / ρ (static air pressure to air density) is really always constant.

What do you do if the buttons on the Sony MHC-GX450 CD unit do not work?

Well depending on when you bought the player, you can do a number of things: 1: take it back to the retailer whom you bought it off as its probably a faulty model. This is quite surprising as sony products boast their confidence in the durability of their products. 2: Talk to Sony directly. Find your nearest Sony retailer and talk to them about getting an exchange for a similar product. If this does not help, you can always try and locate where these specific models were made; in Europe or Asia. This may bring you in front of the official distributor whom may be able to answer all your questions. 3: the final suggestion menas that you may have to fork out some cash towards the repairing costs of the product. Local electronic retailers may help you here, but I would advise you to try the first two before you pay up for repair costs. After all, it may turn out to be something small.

How many types of engineering?

The engine are classified based on combustion (ignition), fuel used, cooling, application and constructions.

Based on the combustion type : 1. External combustionengines and 2. Internal combustion engines

Based on fuel used : 1. Diesel engines, 2. Petrol engines, 3. CNG engines and LPG engines

Based on cooling system : 1. Air cooled engines and 2. Liquid cooled engines

Based on applications : 1. Statinary engine 2. Rocket engine and 3. Automobile engine

Based on construction : 1. Inline engines, 2. Opposed engines, 3. Rotary engine, 4. V-engines and 5. W engines

Why is Germany well developed?

Germany is well developed becasuse they invest substanial money into their infrastructure and value being a well developed nation. The downside to this is high taxes and frequent traffic delays due to construction. Germans also value process improvement which is perhaps why so many inventions have come from Germany.

WHAT IS Strong but flexible?

the dermis i found this information in a school textbook to prove my theory and secure my answer

How does work the electronic stability control system in KIA motor?

It monitors individual wheel slippage. When one wheel, typically a drive wheel, loses traction, it reduces power to It until both wheels are rotating at the same rate.

How are robots useful for humans?

  • In future, when roots can be used both in homes and in other areas, it couldimprove the standard of living of people.

Why aft trim is preffered in vessels entering drydocking?

I try to solve your problem : Why aft trim is preferred in vessel entering drydock? * We need stern part, normally stern frame or aft peak tank bhd normally at fr10 to touch the keel block first. * minimize ballast load. In lightship condition, the vessel is always trim by stern. So to make vessel in even condition, or trim by stem, require large ballast load, compare if we want to reduce trim by stern. Therefore reduce pressure on keel block and hull.

What does sae grade mean?

Society of Automobile Engineers

See Link below for more details.