The carbon contain in T10 tool steel is about ____.

Both brass and bronze contain copper.

Atoms in most metals have a ____ structure.

Generally speaking, which structure has a better ductility (ability to deform with fracture)?

Generally speaking, metals have _____________ thermal conductivity than plastics.

On Boeing 787 airplanes, which type of material is used the most?

What materials are used to mint the 25-cent coins now?

Density is one of material's ___________

If we let the young’s modulus of AISI 4140 steel be 1, which value will most likely be the young’s modulus of plastics?

Can the young’s modulus of a material be greatly changed by manufacturing processes?

Can the yield strength of a material be greatly changed by manufacturing processes?

Can the ductility of a material be greatly changed by manufacturing processes?

Which material has a lower elastic modulus?              

Which material has a lower yield strength?

Which material has  a lower tensile strength?

Which material is less ductile?

Which material has a lower toughness?

Which material is more likely to be bronze while the other one being cast iron?

Why did you feel hard to bend the copper tubing (or other specimen) back to shape?

Generally speaking, as tensile strength increases, material’s ductility _________________

Generally speaking, as tensile strength increases, material’s hardness ____

Which one of the following is NOT among the purposes of heat treatment?

In the Iron-Carbon Equilibrium Diagram, which one of the following phases exists at a high temperature (> 912°C) environment?

Which one of the following represents the most common heat treatment processes?

Which of the following order represents the hardness order (from hardest to softest) of the structures?

Which one of the following quenching media quenches fastest?

Surface hardening is helpful to create components that must have a very ____ surface to resist wear and a ____ interior to resist the impact that occurs during operation.

Which heat treatment process will give the maximum ductility to a machined metal part?

Generally speaking, when heat treatment of steel parts, the faster the cooling rate, the ____________ the parts will be after the heat treatment.

Which one of the following heat treatment methods CANNOT improve the treated metal’s machinability?

In tempering, the workpiece needs to be heated to _______________.

In full annealing, the workpiece needs to be heated to _______________.

Typically, the brittleness of the steel _____________ when tempering temperature decreases.

Normalizing gives ___________________ steel than full annealing.

To study the effects of cooling rate on steel crystallization structure, it is needed to heat the steel into _____________ first.

steel bar (carbon content known) is heated to a certain temperature and kept at that temperature for a long time (say, five hours). Which diagram would you use to find out the crystallization structure of this steel at that temperature?

Please write down the steel microstructure by following the cooling curve:

Please write down the steel microstructure by following the cooling curve:

Please write down the steel microstructure by following the cooling curve:

Measuring and gauging is used__________________

____________ is the degree of consistency achieved with a measurement device when thesame person uses it to measure a same dimension several times.

Which of the following will be the best material to make gage blocks to maintain their high accuracy for everyday use in manufacturing plants?

The inspection can be done in two ways: by attributes or by variables. Surface roughness measurement is done by ________________.

Tolerance is usually ___________________.

Normal distribution can be presented as a bell-shaped curve. The center location of the curve is determined by _______________.

Shafts and wheels on a locomotive have to transmit high torque, so they have to be in a__________ fit.

Which one is the newest member as the five basic material processing families?

Which one of the following is NOT a distinct advantage of casting as a material processing means over the others?

Casting is used for __________

In a two-part sand casting system, the top part is called a _____ and the bottom part is call a _____.

The size of a pattern is __________________ the size of the part to be cast.

 Which one of the following effects is NOT associated with casting?

 A part made by sand casting, in order to be easily removed from the mold, a _____ draft has to be designed.

 Which one of the following statements regarding sand casting is FALSE?

Which one of the following statements regarding investment casting is FALSE?

 Which one of the following statements regarding die casting is FALSE?

Which one the following casting methods is not usually applied to cast iron with a low fluidity?

In a metal forming process, what type(s) deformation would happen?

 In a metal forming process, the workpiece must be heated first to conduct the operation?

In hot working processes, the minimum temperature (recrystallization temperature) should be about____ times the melting point of the metal.

There is significant increase in yield strength and decrease in ductility when a steel workpiece is processed by forming at hot working temperature due to strain hardening effect.

Casting usually produces parts with                            grain structure or properties.

The hot working parts are most likely to have ______________

Generally speaking, the products of ___________ can only be obtained in a very limited number of standard cross-sectional shapes.

Which of the following forming processes is “like squeezing toothpaste out of a tube"?

Which one of the following groups is a better association?

Suppose surface A has roughness R_max = 1 μm and surface B has roughness R_a = 0.75 μm. Which surface is smoother?

Typically, metal cold-working processes are conducted at a temperature __________.

In the manufacturing process of chains video, what metallurgical structure do the orange hot chains have when (or right after) run through the induction heat treatment coil before cooled in the liquid?

What heat treatment strategy is applied to making the chains in the video so they are strong but not brittle?

Which category of metal forming processes generally produces increased mechanical strength?

In bending, the metal is deformed ____________________

In shearing, the metal is deformed ____________________

Both steels and cast irons are iron-carbon alloys. Which one of the following is the major difference between the two?

Gold, silver, copper, and aluminum all have been employed to mint coins. They metals all have __________ crystalline structure. which gives them high ductility.  

Which one of the following heat treatment methods CANNOT improve the heat treated metal’s machinability?

Which of the following order represents the correct hardness order (from hardest to softest) of the structures of the same alloy?

Please write down the steel microstructure by following the isothermal cooling curve on the TTT diagram:

Please write down the steel microstructure by following the continuous cooling Curve D on the CCT diagram:

Which one of the following is NOT true related to the elevated recrystallization temperature in hot working?

Assume that cold drawing process is used to make the steel pans and pots shown in the figure. The ductility of the steel at the deformed locations will be ___________ by this drawing process.

In sheet metal bending, the metal is deformed __________.

Which one of the following is NOT true regarding deformation processes?