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Bonus message

  • Air is contained in a sealed tank. The air in the tank is initally at 20C and 1atm, it is then heated to 250C.The energy

  • In an isothermal process:

  • The third law of thermodynamics refers to the state known as "absolute zero" This is the bottom point on the _____ scale

  • Component A was manufactured using cold isostatic pressing, B was manufactued using hot isostatic pressing. B has higher

  • In processes such as Tungsten Inert Gas Welding , how do we protect the metal from enviromental oxidation?

  • In manufacturing of relativly long pipes (more than 3m) which manufacturing process is less practical?

  • The thickness of the metallic component is max 6mm, and the surface finishing quality must be good.Which process is best

  • The absolute zero temperature is taken as:

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  • What is the main diference between Tungsten Inert Gas (TIG) and Metal Inert Gas (MIG) welding processes?

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  • True or false

  • What is the theoretical limitation that avoid us having car engines(otto cycle) with 100% efficency?

  • Wich of the below items indicates the rigth pressure for a powder metallurgy procedure

  • In oxy-acetylene welding process is:

  • How can you tell whether cavities in a casting are due to gas porosity or shrinkage

  • How is it possible to control or avoid "hot tear" defect in casting?

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  • What is the best definition for "green component" in powder metallurgy?

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  • Which of the techniques can be used for determing the friction coefficient between two metalls?

  • Which of the items has the maximum temperature during machining(cutting)?

  • What is a ring rolling process?

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  • This is wrong about the Reynolds number

  • What is the main funcionality of TTT(time,temperature,transformations) diagrams?

  • What is "lathe" in machining?

  • What is the main difference between Chemical Vapor Deposition and Physical Vapor Deposition

  • A sheet metal of 5mm thickness has been bent to the radius of 2mm, calculate the compressive strain at the outer surface

  • What are the benefites of servo presses over the traditional forging presses?

  • What is dead-metal zone and in which process and under what condition is it mostly seen?

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  • The mold used for the die casting process has:

  • What is the best definition for "chip" in metal machining?

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  • What is the main difference between solidification of a pure metal and an alloy?

  • Which of the below phenomena are those involved in solid-state welding process?

  • What is the source providing the heat for joining in spot welding process?

  • What is the most common manufacturing process for production of coins?

  • What is the main difference between normal and fine blanking processes?