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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
A proximitor is an electronic device that generates a radio frequency (RF) signal using an oscillator circuit. It also processes the RF signal to extract usable data using a demodulator circuit. A proximitor is often used in conjunction with a proximity probe to measure the displacement of a target surface.
What will the water pressure be in bar in a 3rd story flat if the ground level is 3 bar?
There is a pressure difference in the building only if the system referred to is NOT a closed system. In a closed, pressurized pipe system the pressure is the same throughout. If open, assuming 3 stories x 10 feet/story, one would add the pressure equivalent to 30 feet of water head.
What is fouling factor this factor used in heat exchangers?
Fouling factor is essentially used in determining the efficiency of the heat exchangers. Fouling factor is obtained from service (product) on either side of tubes and material of tubes. It basically represents corrosion of heat exchangers tubes which affects efficiency of heat transfer.
How much electricity required to develop 1 bar pressure in a compressor?
None! A tank at atmospheric pressure already has an absolute pressure of 1.013 bar.
What is the power consumption Kw of an industrial dehumidifier and air mover?
Dehumidifiers: between 1.05kw and up to 5kw for the big ones. Standard for those owned by restoration companies is 2.25kw.
Air movers: between 0.45kw and up to about 0.9kw. Standard is 0.55kw.
This is for the portable equipment, by the way. I don't know about the equipment that gets hard-wired into buildings.
What is the difference between balancing piston and balancing drum in compressors?
They are the same thing.
What is the density of galvanised iron sheet?
Galvanized Iron (GI) is coated in layers of zinc to prevent corrosion. Its density is generally the same with steel, and is taken at 7850 kg/m3.
How many types of diesel generators?
victory industrial products
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A turbine trip is an automatic shutdoen to protect the wquipment from over-speed damage. It is similar to blowing a fuse on an electrical system die to a short circuit.
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Any device which will instantly shut down the turbine. There are high vibration trips, overspeed trips, high bearing temperature trips, low lube oil pressure trips, eccentricity trips, axial position trips, and for generating units: out of phase trips, low voltage trips, high voltage trips, reverse power trips, power to ground trips, and a few others.
What is the difference between the Medal of Honor and the congressional Medal of Honor?
Medal of Honor is the correct nomenclature, each major branch of the military has their Medal of Honor. Award of the Medal of Honor is approved by congress and presented to the recipient by the president. Possibly because of congress authorization, the Medal of Honor gets tagged mistakenly as the Congressional Medal of Honor. Again, there is no Congressional Medal of Honor, if anyone can show me what one looks like I would appreciate it. I can easily show what each branch of military service has as their separate Medals of Honor.
There IS a Congressional GOLD medal that is awarded by Congress via the President to civilians for non-military service to the US. This in NOT a military award. George M Cohen was awarded a Congressional Gold Medal for writing songs for the war effort - WW1. But this was not for any military service.
I just watched the Doolittle raid on the MILITARY CHANNEL (12/17/10) and they mistakenly said that Doolittle was awarded the CMOH. WRONG, He was awarded the MEDAL OF HONOR by the Army Air Corp.
What is d-q coordinate of IPM machine?
d-q a direct (magnet pole) and quadrature (90deg out of phase electrically) axis. This is identical to surface permanent magnet machine (SPM).
What is the difference between dry film lubricant and solid film lubricant?
Depending on the context, they usually are referring to the same thing. In some cases, people refer to air dry solid film lubricants as dry film lubricants. For more information check link.
Why is a warren truss bridge used?
A Warren Truss Bridge is used to cross certain obstacles. The Warren Truss bridge is Constructed with equilateral triangles so, this relieves of Compression and Tension.
What are High Tensile bolts used for?
High tensile bolts are used , where maximum tension is possible in structure as in PEB structure rafter, or Hanging parts.
What is called a metal that is poured into molds to make bars?
The bar of metal thus formed is called an ingot.
What is the difference between ANSI flanges and DIN flanges?
The most obvious difference is that the standards for each are from different "worlds" so they are expressed in different engineering units of measurement.
Because of the above, the fundamental physical properties of the materials used to make the flanges may or may not be the same. Then, because of both of the above conditions the resulting size, shape and fit of the resultant fitting may - or may not fit together. And, even if they do fit (by coincidence) there is no engineering basis to assume that the resultant joint (which is why the flange is there in the first place) will behave in any predictable way.
Without a systematic empirical test, to use flanges from two different domains, join them together and then pressurize the system is like tossing the dice in a game of chance. What engineer is going to take this chance. What insurance company will cover the accident?
Describe what effects sintering press force will have on two specific ceramic materials?
the sintering press force on porcelein allows a ceramic such as porcelein to be moulded into the right shape p.s. Donald is great and shuold rule the world
Unit of static pressure of fan?
Usually, due to the relatively low value of the static pressure of a fan, the unit that this pressure is expressed is milibar, mm H2O, psi, mm Hg, kPa, hPa. In the US, inches H2O.
Pressure inside a bourdon tube pressure gadge causes the bourdon to straighten or curl?
It causes the Bourdon tube to straighten.
