Mechanical Engineering Basic Knowledge Pdf
It converts steam's heat energy into mechanical energy. When you are a mechanical engineer, everyone expects you to give answers accurately to some of the basic questions about mechanical engineering concepts. After a few years of graduation, expertpdf mergepdf mechanical engineers even forget what entropy and enthalpy is.
When a body is immersed in a liquid, it is lifted up by a force equal to weight of liquid displaced by the body. New Element The discovery of a new chemical element and a summary of its unique behavior. One of the materials used for making surface plate is.
Draft on a pattern is provided for. An ideal machine is one whose efficiency is. Its funtion is to preheats the air to be supplied to furnace and it recover heat from exhaust gas.
Multiple Choice Questions on Engineering Mechanics. If a mechanical engineer gives wrong answer to a basic mechanical engineering concept, it is simply a rejection in interview. Fundamentals of Vibrations The basic concepts involved in understanding vibration, and the harmful effects of vibration. It's really helpful for mechanical engineering students to grow their knowledge.
Do save the link for future use and recommend it to your friends as well. In oxacetylane welding, acetylene is produced using. The upward thrust of liquid to lift up the body is called buoyancy force. Operation involving heating and cooling of a metal in solid state for obtaining desirable condition without being changed chemical composition.
The amount of load required to resist the deflection. Kindly download Android App instead of pdf. Otherwise, you wouldn't be reading this page, right?
It is the total amount of force which is required to create acceleration on moving substance. Actually, it is the process of dividing circular or other shape of workpiece into equal space, division or angle. Bearing Life Prediction The expected life of rolling element bearings is highly statistical, and varies dramatically as a function of several different factors. My mail id is srihari gmail.
Mechanical Knowledge Test
Its function id to regulate mean speed of engine when there are variation in the load. And also, In a closed system, work done on a system is directly proportonal to the heat deliver to the surrounding. Metal Fatigue Why components break after being exposed to a modest fluctuating load for an extended period of time. Its function is to heat feed water which is supplied to boiler. Amount of air will be increased by increasing inlet air density.
It is the addition of moisture to the air without change dry bulb temperatur. Dear Sir, I have installed your app and found it very useful. Reducing flame is obtained in oxyactetylane welding with. If a force acts on a substance, then in that case if the substance would deform. It is the process of joining two similar or dissimilar metal by fusion.
A Brief Review of Fundamental Concepts related to Mechanical Stuff
When a material is subjected to repeated stress below yield point stress, such type of failure is fatigue failure. That means maximum permissible variation in dimensions. The forces are equivalent to a couple whose moment is equal to. Turbocharging is similar to the supercharging. It is the ability to resist deformation.
The operation of enlarging of a hole is called. If proper amount of fresh air never entered into the boiler, then proper amount of fuel inside the boiler never be burnt.
In upcut milling the work piece is fed. If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is. Rapping allowance is provided on a pattern to take care of.
This depends on rate of fuel burning. Two balls of equal mass and of perfectly elastic material are lying on the floor. It is the chemically correct air-fuel ratio by volume.
It is one type of pipe or tube that carrying liquid or gas. That means, minimum clearance between mating parts that can be allowed. If any help needed regarding this please email me back for prakashshiva. It is the process of removing burnt gas from combustion chamber of engine cylinder. Hence you can not start it again.
It is the ratio of the velocity of fluid to the velocity of sound. It is a science which deals with energy transfer between material bodies as a result of temperature difference. Meshing of two or more gear.
It is a clossed vessel which is made of steel. The pump with a low initial cost and low maintenance cost is.
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