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Midterm Examination in Metal Working Technology (Lecture)

Total questions: 50

Worksheet time: 2hrs 40mins

Name
Class
Date
1.

It is a family of cutting processes which heats the work metal to its kindling point, causing it to burn in a stream of oxygen?

a)

Carbon Arc Cutting

b)

Electrical Arc Cutting

c)

Oxy- Arc Cutting

d)

Oxy-Fuel Cutting

2.

It is the process of making decorative or useful objects out of metal?

a)

Metal Working

b)

Blacksmithing

c)

Metallurgy

d)

Metallurgist

3.

This type of metal cutting is accomplished by directing a stream of oxygen into the molten pool of metal?

a)

Carbon Arc Cutting

b)

Electrical Arc Cutting

c)

Oxy- Arc Cutting

d)

Oxy-Fuel Cutting

4.

Which metal family that always loses two (+2) electron on its subshell?

a)

Alkali Metal

b)

Alkaline Earth Metal

c)

Transition Metal

d)

Early Transition Metal

5.

Metal Arc Cutting is done characterized by a progressive cut on metals that use _________ at its main source of power to cut metals?

a)

Oxy-fuel

b)

Plasma

c)

Fire

d)

Current

6.

Which metal family that always loses one (+1) electron on its subshell?

a)

Alkali Metal

b)

Alkaline Earth Metal

c)

Transition Metal

d)

Early Transition Metal

7.

It is a process whereby the cutting of metals is accomplished by progressive melting with the heat of an electric arc between a metal electrode and the base metal.?

a)

Carbon Arc Cutting

b)

Electrical Arc Cutting

c)

Oxy- Arc Cutting

d)

Oxy-Fuel Cutting

8.

What metal has the lowest density?

a)

Iridium

b)

Osmium

c)

Lithium

d)

Sodium

9.

Process of cutting metal whereby metal is cut using the heat of an arc maintained between the electrode and the base metal?

a)

Carbon Arc Cutting

b)

Electrical Arc Cutting

c)

Oxy- Arc Cutting

d)

Oxy-Fuel Cutting

10.

What metal has the highest melting and boiling point?

a)

Titanium

b)

Tungsten

c)

Lead

d)

Cadmium

11.

Type of metal cutting process whereby a layer/s are removed from a work surface of metal to attained desire shape and objects?

a)

Turning

b)

Milling

c)

Grinding

d)

Drilling

12.

The ability of a piece of metal to be drawn in hundreds strand of wires are called?

a)

Ductility

b)

Malleability

c)

Brittleness

d)

Plasticity

13.

Process of cutting metal whereby work piece is rotated and cutting tool removes the unwanted material in the form of chips?

a)

Turning

b)

Milling

c)

Grinding

d)

Drilling

14.

Pertains to the count of electron on the outermost shell of the atom of metallic elements?

a)

Electron count

b)

Valency

c)

Electronic Configuration

d)

Electronic decomposition

15.

It is a machining process that’s used to remove material from a work piece via a grinding wheel?

a)

Turning

b)

Milling

c)

Grinding

d)

Drilling

16.

A physical characteristic of metal that focuses on the ability of metal to withstand hammering in order to create a new shape or figures?

a)

Ductility

b)

Malleability

c)

States

d)

Hardness

17.

In this process, the cutting tool is rotated and feed against the work piece fixed in a holding device?

a)

Turning

b)

Milling

c)

Grinding

d)

Drilling

18.

Non-ferrous metallurgy uses __________ as its based and mixed it to other metal in order to create a new metal products?

a)

Iron

b)

Alloy

c)

Steel

d)

Carbon

19.

A metal cutting process where cutting edge is inclined at an acute angle less than 90˚ to the direction of feed?

a)

Orthogonal Cutting Process

b)

Oblique Cutting Process

c)

Acute Cutting Process

d)

Right Angle cutting Process

20.

The study of metal production that includes iron as its main components is called ferrous metal and it is also commonly called as_________?

a)

Colored Metallurgy

b)

Black Metallurgy

c)

Old age metallurgy

d)

Ferrous metallurgy

21.

A metal cutting process where cutting edge is perpendicular 90˚ to the direction of feed?

a)

Orthogonal Cutting Process

b)

Oblique Cutting Process

c)

Acute Cutting Process

d)

Right Angle cutting Process

22.

It is the combination of at least two (2) different metallic elements to improve its mechanical and chemical characteristics?

a)

Alloy

b)

Steel

c)

Carbon Steel

d)

Iron Steel

23.

The process of removing unwanted material in the form of chips, from a block of metal, using cutting tool?

a)

Cutting

b)

Boring

c)

Finishing

d)

Edging

24.

The following are included to the physical properties of metal under Physical metallurgy EXCEPT?

a)

Transformation

b)

Failure Mechanism

c)

Crystallography

d)

Thermodynamics

25.

The following are the advantages of Powder Metallurgy Process EXCEPT?

a)

Minimizes machining by producing parts at, or close to, final dimensions.

b)

Permits a wide variety of alloy systems

c)

Minimizes scrap losses by typically using more than 97% of the starting raw material in the finished part

d)

Cost effective but not environmental friendly

26.

This study focuses on the mechanical properties and physical components of metal?

a)

Physical Metallurgy

b)

Physical Properties

c)

Mechanical Metallurgy

d)

Mechanical Properties

27.

Process in powder metallurgy whereby application of finishing process is sintered to this part?

a)

Secondary Operation

b)

Sintering

c)

Forming

d)

Mixing

28.

The following are the common topic being studied in understanding the chemical properties of metals EXCEPT?

a)

Thermodynamics

b)

Chemical degradation

c)

Corrosion

d)

Crystallography

29.

This process in Powder Metallurgy involves heating of materials, usually in an protective atmosphere, to a temperature that is below the melting point of major constituent?

a)

Secondary Operation

b)

Sintering

c)

Forming

d)

Mixing

30.

It is concerned with the reduction and oxidation of metals, and the chemical performance of metals?

a)

Physical Metallurgy

b)

Physical Properties

c)

Chemical Metallurgy

d)

Chemical Properties

31.

This dominant consolidation process in Powder Metallurgy involves pressing in a rigid toolset, comprising a die, punches and, possibly, mandrels or core rods?

a)

Secondary Operation

b)

Sintering

c)

Forming

d)

Mixing

32.

It is a domain of materials science and engineering that studies the physical and chemical behavior of metallic elements?

a)

Metallurgist

b)

Metallurgy

c)

Alchemist

d)

Metalwork

33.

This process in Powder Metallurgy often involves the introduction of alloying additions in elemental powder form or the incorporation of a pressing lubricant?

a)

Secondary Operation

b)

Sintering

c)

Forming

d)

Mixing

34.

The people which have the expertise in metal are called?

a)

Blacksmith

b)

Metallurgist

c)

Alchemist

d)

Metal Worker

35.

It is a metal-forming process performed by heating compacted metal powders to just below their melting points?

a)

Metal Molding

b)

Powder Metallurgy

c)

Powder Metal Melting

d)

Powder metal Pressing

36.

During 12th century people started to use this metal in order to make finely-crafted jewelry.

a)

Bronze

b)

Silver

c)

Gold

d)

Copper

37.

Also known as surface layer hardening that aims to improve component wear behavior of metals?

a)

Flame Hardening

b)

Laser Hardening

c)

Case Hardening

d)

Normalizing

38.

It is the oldest process that has been done in a metal that was started before 2500 BC?

a)

Melting

b)

Smelting

c)

Sharpening

d)

Hammering

39.

This is the process of hardening metal that involves induced electrical currents to rapidly generate heat via hysteresis?

a)

Induction Hardening

b)

Annealing

c)

Hardening

d)

Tempering

40.

A process undergone in a certain ore to extract metal or iron?

a)

Smelting

b)

Extracting

c)

Melting

d)

Heating

41.

Process of hardening metal hat uses oxy-fuel burners to heat the work piece via conduction?

a)

Flame Hardening

b)

Laser Hardening

c)

Case Hardening

d)

Normalizing

42.

A Metal Hardening Process that only external layers of metal are hardened while interior metal remains soft?

a)

Flame Hardening

b)

Laser Hardening

c)

Case Hardening

d)

Normalizing

43.

It is an annealing process for steel where it is heated 150-200°F higher than in annealing and held at the critical temperature long enough for the transformation to occur?

a)

Flame Hardening

b)

Laser Hardening

c)

Case Hardening

d)

Normalizing

44.

It is a method of heat treating used to increase the resilience of iron-based alloys like steel?

a)

Induction Hardening

b)

Annealing

c)

Hardening

d)

Tempering

45.

In this heat treatment process, metal is heated to a temperature where the elements in the metal become a solution?

a)

Induction Hardening

b)

Annealing

c)

Hardening

d)

Tempering

46.

In this process, the metal is heated beyond the upper critical temperature and then cooled at a slow rate?

a)

Induction Hardening

b)

Annealing

c)

Hardening

d)

Tempering

47.

The process of heating the metal, holding it at that temperature, and then cooling it back?

a)

Heating

b)

Annealing

c)

Holding

d)

Heat Treatment

48.

Type of metal that primarily use in galvanize steel and medical and industrial Sectors?

a)

Zinc

b)

Lead

c)

Titanium

d)

Bronze

49.

It is considered as an alloy of copper?

a)

Zinc

b)

Lead

c)

Titanium

d)

Bronze

50.

It is a type of metal that is commonly used in engineering process due to its lightweight and strong characteristic?

a)

Zinc

b)

Lead

c)

Titanium

d)

Bronze