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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

Mechanical advantage is defined as the number of times that a machine increases an applied force for a given machine which would always decrease the mechanical advantage of that particular machine?

To find the mechanical advantage of a simple machine divide output force by input

force. (input force is the force that we exert on a machine, and output force is the force that is exerted by a machine).

Where can you find a breakdown manual for a Browning 12 gauge pump?

To start, I would contact Browning. If it's an old gun and they can't help, check the ads in the back of the American Rifleman, Guns and Ammo, Outdoor Life and similar magazines. There are book dealers who specialize in that sort of thing. Good luck. Browning.com You can download in PDF format all the manuals, old and new.

What type of pump is jockey pump?

A jockey pump is a small pump connected to a fire sprinkler system and is intended to maintain pressure in a fire protection piping system to an artificially high level so that the operation of a single fire sprinkler will cause a pressure drop which will be sensed by the fire pump automatic controller, causing the fire pump to start. The jockey pump is essentially a portion of the fire pump's control system.

How much do mechanical engineers get paid yearly?

How much does anyone get paid? It varies a great deal depending on experience and the nature of the industry. Also, you need to look at the average hours worked per week and the nature of the job

In the U.K newly graduated Engineers can expect on average a starting salary of £18,000.

According to the web page below, Mechanical Engineer at an average of £35,623/annum is the 52nd best paid profession in the UK. (Taken from a survey of over 300 jobs)

http://www.thisismoney.co.uk/news/article.html?in_article_id=411942&in_page_id=2

Is st grade equal to SS 304L with DIN standard?

AISI 304/304L -DIN 1.4301/1.4306-1.4307

so 304 equv. DIN 1.4301

304L equv DIN 1.4306-1.4307

What is weldolet?

A wedolet is a butt-weld branch connection. It is used to minimize the stress concentration and to provide integral reinforcement.

When carnot cycle is reversed derive relation for coefficiency of performance for heat pump and refrigerator?

in refrigeration CoP =Qo/w
= Todelta S/(Tk-To)delta S
= To/Tk-To
Ec = 1/(Tk/To)-1

in heat pump CoP = Qk/W

= Tkdelta S/(Tk-To) delta S

= Tk/Tk-To

Eh = 1/1-(To/Tk)

What is lath martensite?

Low carbon content <0.6% results in lath structure as opposed to plate or needle structure for high carbon content >0.6%

What is meant by moisture in steam?

whenever there is presence of moisture(water content) in steam due to which one cannot refer that steam as dry steam...then this type of steam are termed as wet steam!!

What 125aarh means on valve?

it is a finish standard of valve flanges

What does class 1 lever mean?

A Class-1 lever is a lever with the force and the load (resistance)

on opposite sides of the fulcrum (pivot).

Why Air Standard Cycles are conceived?

Air standard cycles are conceived to permit thermodynamic calculations using the well-known and readily available thermodynamic properties of air. The results of such calculations may be used to predict compression ratio, specific heat ratio, and other operating parameters effects on thermal efficiency of a number of heat engines such as the Otto Cycle Heat Engine , the Diesel Cycle Heat Engine, and the Brayton Cycle Heat Engine.