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DESIGN OF AGRICULTURAL MACHINERY - A.T. Belonio and D.A.H. Belonio > MANUFACTURING PROCESSES > Flashcards

MANUFACTURING PROCESSES Flashcards

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1
Q

The method of treating metal by applying welding deposit to strengthen the peg-tooth of a rice thresher.

a. Heat treatment
b. Welding
c. Hard facing
d. None of the above

A

c. Hard facing

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2
Q

The mixing of two or more substances one of which is iron.

a. Casting
b. Forging
c. Alloying
d. None of the above

A

c. Alloying

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3
Q

A heat treatment method to increase the hardness of steel by rapid cooling.

a. Tempering
b. Quenching
c. Annealing
d. None of the above

A

b. Quenching

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4
Q

The process of making products by pouring melted metal into a mold and then allowing it to cool.

a. Hot working process
b. Casting
c. Powder metallurgy
d. None of the above

A

b. Casting

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5
Q

The cutting of holes on a material by means of shearing process.

a. Drilling
b. Punching
c. Boring
d. None of the above

A

b. Punching

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6
Q

A welding process that uses an electrode.

a. Gas welding
b. Resistance welding
c. Arc welding
d. None of the above

A

c. Arc welding

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7
Q

Filing is classified as ___.

a. cold working
b. hot working
c. casting
d. None of the above

A

a. cold working

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8
Q

A gas-metallic arc welding that uses inert gas shielding to produce a cleaner and sounder weld compared with that of conventional welding.

a. Gas welding
b. MIG welding
c. TIG welding
d. All of the above

A

b. MIG welding

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9
Q

A widely used method of welding aluminum, copper, stainless steel, and other difficult-to-weld metals.

a. TIG welding
b. MIG welding
c. Gas welding
d. All of the above

A

a. TIG welding

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10
Q

A welding process commonly used for thin metal sheets.

a. Brazing
b. Soldering
c. Spot welding
d. None of the above

A

b. Soldering

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11
Q

A welding process wherein current is allowed to pass through the prongs of the welding machine which joined two metal sheets together.

a. Resistance welding
b. Oxyacetylene welding
c. Arc welding
d. None of the above

A

a. Resistance welding

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12
Q

A tool that can cut metal bars faster.

a. Shear cutter
b. Band saw
c. Grinding wheel
d. None of the above

A

c. Grinding wheel

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13
Q

Welding job is to be performed at the engine drive of a multiple-pass rice mill. What would you recommend to prevent possible accident during the repair work?

a. Remove the engine from the drive.
b. Disconnect the line from the terminal of the battery.
c. Remove the ground line of the welding machine from the engine drive.
d. None of the above

A

b. Disconnect the line from the terminal of the battery.

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14
Q

A device suitable for cutting stainless steel plates.

a. Shear cutter
b. Plasma cutter
c. Acetylene gas cutter
d. All of the above

A

b. Plasma cutter

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15
Q

A machine tool used to reduce the diameter of a metal.

a. Router
b. Power drill
c. Lathe
d. None of the above

A

c. Lathe

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16
Q

The basic hand tools that must be provided by manufacturers to buyers of engines.

a. Open wrench and adjustable wrench
b. Philip and flat-screw driver
c. Spark-plug wrench
d. All of the above

A

d. All of the above

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17
Q

The welding rod electrode is designated as E6013, what is the tensile strength of the joint when welded properly?

a. 120 ksi (kips per square inch)
b. 60 ksi
c. 30 ksi
d. None of the above

A

b. 60 ksi

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18
Q

A C-300 sand paper is finer than ___.

a. C-120
b. C-400
c. C-600
d. None of the above

A

a. C-120

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19
Q

*If a welding rod is 1/8 in. in diameter E6013, the recommended amperage for the welding machine is ___.

a. 75 amp
b. 100 amp
c. 125 amp
d. 150 amp
e. None of the above

**In what position does the electrode above can be used?

a. Flat
b. Horizontal
c. Vertical
d. Overhead
e. All of the above
f. None of the above

A

c. 125 amp

e. All of the above

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20
Q

Which of the following position is not possible to be weld with arc welding method.

a. Flat
b. Horizontal
c. Overhead
d. None of the above

A

d. None of the above

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21
Q

The producer of one or several types of farm machinery and usually does not sell other items from other manufacturers.

a. Manufacturer
b. Manufacturer-dealer
c. Dealer
d. None of the above

A

a. Manufacturer

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22
Q

These producers manufacture their own line of items and sell together with either consigned items or several brands of single cylinder engines, pumps, pump set, and other types of farm machinery.

a. Manufacturer
b. Manufacturer-dealer
c. Dealer
d. None of the above

A

b. Manufacturer-dealer

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23
Q

They carry several items and brand from varied sources and usually do not engaged in manufacture and fabrication.

a. Manufacturer
b. Manufacturer-dealer
c. Dealer
d. None of the above

A

c. Dealer

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24
Q

A manufacturer capable of mass producing agricultural machines for it has almost a complete line of equipment needed in manufacturing.

a. Small-size manufacturer
b. Medium-size manufacturer
c. Large-size manufacturer
d. None of the above

A

c. Large-size manufacturer

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25
A manufacturing enterprise capable of manufacturing agricultural machines by piece only. a. Small-size manufacturer b. Medium-size manufacturer c. Large-size manufacturer d. None of the above
a. Small-size manufacturer
26
A manufacturer capable to operate and produce agricultural machine by batch and does mass production of small machines whenever needed. a. Small-size manufacturer b. Medium-size manufacturer c. Large-size manufacturer d. None of the above
b. Medium-size manufacturer
27
A classification of manufacturer that fabricate only one machine at a time and usually has one to two workers commissioned to do the entire work to produce the machine. a. By mass production b. By batch c. By piece d. None of the above
c. By piece
28
A classification of manufacturer that fabricate the machine in several number of pieces as per contract with the dealer. a. By mass production b. By batch c. By piece d. None of the above
b. By batch
29
A classification of manufacturer that produces a machine beyond the number of pieces produced in the batch system and still produce the machine, even without direct order or purchase from the customer or dealer, for possible unseen market. a. By mass production b. By batch c. By piece d. None of the above
a. By mass production
30
Which of the following organizations supports the agricultural machinery manufacturing industry in the Philippines. a. AMMDA – Agricultural Machinery Manufacturers and Distributors Association of the Philippines b. MIAP - Metal Industries Association of the Philippines c. LAMMA- Laguna Agro-Industrial Machinery Manufacturer Association, Inc. d. All of the above e. Two of the above
d. All of the above
31
The process of heating and cooling metals in their solid state so as to change their properties. a. Heat treatment b. Hardening c. Tempering d. None of the above
a. Heat treatment
32
Which of the following properties of metal that is changed by heat treatment? a. Hardness b. Toughness c. Machinability d. Elasticity e. All of the above f. Two of the above
e. All of the above
33
The resulting grain particle when steel is heated through its upper transformation temperature and becomes a very hard steel when suddenly cooled. a. Very fine b. Coarse c. Very course d. None of the above
a. Very fine
34
The process of heating metal slowly to proper hardening temperature and then cooling rapidly by quenching in water, brine or oil. a. Hardening b. Tempering c. Quenching d. None of the above
a. Hardening
35
High-carbon steel when hardened becomes ___ due to internal stresses resulting from rapid cooling. a. soft b. hard c. very brittle d. None of the above
c. very brittle
36
Hardened piece of high-carbon steel to prevent cracks or shatters requires an additional heat treatment process called ___, which is done by allowing the material to slowly cool to ambient for a longer period of time, before it can be used. a. quenching b. tempering c. hardening d. None of the above
b. tempering
37
Which of the following statements is true? a. The amount of carbon content largely determine the maximum hardness the heat treatment will produce. b. The carbon content on steel makes steel hardening possible. c. Pure iron cannot be hardened by heat treatment. d. Plain carbon steel is composed principally of iron and carbon. e. All of the above f. Two of the above
e. All of the above
38
Which of the following welding equipment is most suitable in welding copper and aluminum? a. Arc welding machine b. MIG welding machine c. TIG welding machine d. All of the above
c. TIG welding machine
39
A welding process which uses liquefied petroleum gas and oxygen to melt metal and join them by means of fusion. a. Oxyacetylene welding b. TIG welding c. Plasma welding d. None of the above
d. None of the above
40
Which of the following welding equipment uses carbon dioxide gas as cooling element? a. Arc welding machine b. MIG welding machine c. TIG welding machine d. All of the above
b. MIG welding machine
41
Which of the following welding equipment uses argon gas as cooling element? a. Arc welding machine b. MIG welding machine c. TIG welding machine d. All of the above
c. TIG welding machine
42
Which of the following welding equipment does not use any gas as cooling element? a. Arc welding machine b. MIG welding machine c. TIG welding machine d. All of the above
a. Arc welding machine
43
The welding method commonly used for non-ferrous metal at relatively low temperature of around 427°C. a. Soldering b. Brazing c. TIG welding d. None of the above
a. Soldering
44
The solder used in soldering process consists of ___ lead and tin. a. 50/50 b. 40/60 c. 30/70 d. None of the above
a. 50/50
45
In oxyacetylene welding, the taller cylinder is where the ___ is stored. a. oxygen b. acetylene c. carbon dioxide d. None of the above
a. oxygen
46
A material used as coating in metals to be joined by soldering in order to prevent oxidation. a. Acid b. Alkaline c. Flux d. None of the above
c. Flux
47
A method of welding that uses nonferrous rod heated with oxyacetylene torch at a temperature relatively above 427°C. a. Soldering b. Brazing c. Resistance welding d. None of the above
b. Brazing
48
The flux used during brazing to remove oxidation on metals being joined. a. Borax powder b. Sodium borate c. All of the above d. None of the above
c. All of the above
49
The bronze welding rod used in brazing basically consists of ___ copper and zinc. a. 60/40 b. 50/50 c. 40/60 d. None of the above
a. 60/40
50
The shorter but larger diameter storage tank of oxyacetylene welding is for ___. a. oxygen b. acetylene c. carbon dioxide d. None of the above
b. acetylene
51
Acetylene cylinder at full pressure contains ___. a. 150 psi b. 250 psi c. 350 psi d. None of the above
b. 250 psi
52
Oxygen cylinder at full pressure contains ___. a. 1100 psi b. 2200 psi c. 3300 psi d. None of the above
b. 2200 psi
53
The component of a welding machine used to mix the gas and the oxygen in an oxyacetylene welding equipment. a. Hose b. Torch c. Regulator d. None of the above
c. Regulator
54
Which of the following is not part of an oxyacetylene welding equipment? a. Oxygen and acetylene tanks b. Regulator c. Hose d. Blow pipe e. Lighter f. Tongs g. None of the above h. All of the above
g. None of the above
55
In oxyacetylene welding, if the mixture of oxygen is too much with the acetylene, it will produce ___. a. carbonizing flame b. oxidation flame c. neutral flame d. None of the above
b. oxidation flame
56
If acetylene is too much with the oxygen, it will produce ___. a. carbonizing flame b. oxidation flame c. neutral flame d. None of the above
a. carbonizing flame
57
If there is a proper mixture of acetylene and oxygen, it will produce ___. a. carbonizing flame b. oxidation flame c. neutral flame d. None of the above
c. neutral flame
58
A welding process that welds two pieces of metal sheets together using the flow of electric current of around 120,000 Amp. a. Arc welding b. Plasma welding c. Resistance welding d. None of the above
c. Resistance welding
59
The other term used for resistance or spot welding. a. Full welding b. Tack welding c. Intermittent welding d. None of the above
b. Tack welding
60
Welding too long in resistance welding will create ___. a. good weld b. hole in metals being weld c. weak weld in metals d. None of the above
b. hole in metals being weld
61
Which of the following uses a flux coated welding rod? a. MIG welding equipment b. Oxyacetylene welding equipment c. Arc welding equipment d. None of the above
c. Arc welding equipment
62
E6013 electrode is used for ___. a. steel alloy b. mild steel c. tool steel d. None of the above
b. mild steel
63
E7025 is used for ___. a. steel alloy b. mild steel c. tool steel d. None of the above
a. steel alloy
64
The recommended current for 1/8-in. electrode. a. 60 amp b. 100 amp c. 250 amp d. None of the above
b. 100 amp
65
The recommended current for 1/16 -in. electrode. a. 60 amp b. 100 amp c. 250 amp d. None of the above
a. 60 amp
66
The recommended current for ¼-in. electrode. a. 60 amp b. 100 amp c. 250 amp d. None of the above
c. 250 amp
67
Which of the following is not a machine tool? a. Lathe b. Shaper and planers c. Drill Press d. Mill machines e. Grinder f. None of the above
f. None of the above
68
A metal milling process of making the handle of a tool rough to provide a better grip. a. Boring b. Cutting c. Knurling d. None of the above
c. Knurling
69
Machine tools commonly used in making slots, keyways, etc. a. Drill press b. Lathe c. Shaper d. None of the above
c. Shaper
70
The process of forming metal by pushing it on a metal die. a. Extrusion b. Forging c. Rolling d. None of the above
a. Extrusion
71
A shop tool used for measuring the outside and inside diameter of a metal. a. Square b. Caliper c. Trammel d. None of the above
b. Caliper
72
A tool used to scribe large circle or arc in a piece of metal that works similarly with divider. a. Square b. Scriber c. Trammel d. None of the above
c. Trammel
73
A tool used to drive a cross recess screw. a. Ordinary flat-crew driver b. Phillip screw driver c. Allen wrench-screw driver d. All of the above
b. Phillip screw driver
74
A tool used to drive slotted machine screws. a. Ordinary flat-screw driver b. Phillip screw driver c. Allen wrench-screw driver d. All of the above
a. Ordinary flat-screw driver
75
A thermal cycle involving heating to, and holding at a suitable temperature and then cooling at a suitable rate for such purposes as reducing hardness, improving machinability, facilitating cold working, producing a desired microstructure, or obtaining desired mechanical or other properties. a. Annealing b. Stress relieving c. Case hardening d. Quenching and tempering e. None of the above
a. Annealing
76
A thermal cycle involving heating to a suitable temperature usually 1000 to 1200 F, holding long enough to reduce residual stress from either cold deformation or thermal treatment and the cooling slowly enough to minimize the development of new residual stresses. a. Annealing b. Stress relieving c. Case hardening d. Quenching and Tempering e. None of the above
b. Stress relieving
77
A one or more process of hardening steel in which the outer portion, or case, is made substantially harder then the inner portion, or core. a. Annealing b. Stress relieving c. Case hardening d. Quenching and Tempering e. None of the above
c. Case hardening
78
A process of reheating metal to a temperature below the transformation range and then cooling at any desired rate to improve the ductility and toughness of the material. a. Quenching b. Tempering c. Annealing d. None of the above
b. Tempering
79
A thermal process used to increase the hardness and strength of steel by austenitizing then followed by cooling at a rate sufficient to achieve partial or complete transformation of metal to martensite. a. Tempering b. Quenching c. Annealing d. None of the above
b. Quenching
80
It is one of the heat treatment processes of steel and other ferrous alloys where these materials are heated above their critical temperatures long enough for transformations to take place. a. Austenitizing b. Tempering c. Annealing d. None of the above
a. Austenitizing
81
Austenitizing temperature for different grades of carbon, alloys and tool steels. a. 100 C to below 400 C b. 400 C to 800 C c. Above 800 C to 1200 C d. None of the above
b. 400 C to 800 C
82
Material formed in carbon steels by the rapid cooling (quenching) of the austenite form of iron at such a high rate that carbon atoms do not have time to diffuse out of the crystal structure in large enough quantities to form cementite (Fe3C). a. Austenitize b. Martensite c. All of the above d. None of the above
b. Martensite

DESIGN OF AGRICULTURAL MACHINERY - A.T. Belonio and D.A.H. Belonio (14 decks)

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