Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

MACHINE ELEMENTS > M0.2 > Flashcards

M0.2 Flashcards

(62 cards)

Start Studying
1
Q

Which of the following is the major
alloying element in Invar?

A

Nickel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which of the following is available in five
slightly different nominal composition for application which
require high strength, good fabricating and fusing qualities,
immunity to rust, free machining and a corrosion resistance
equivalent to copper?

A

Everdur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Aluminum is particularly satisfactory for
applications requiring all of the following characteristics,
EXCEPT:

A

High strength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

It is a polymer of chloroprene of the
monovinyl acetylene type.

A

Neoprene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Why are Plasticizers added to plastics?

A

To increase flexibility of materials

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which of the following superalloy is age-hardenable?

A

Inconel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is a unique form of cast iron with worm shaped graphite particles?

A

Compacted graphitic iron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Kevlar epoxy composite is widely used
in:

A

Automobiles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

It is an age hardenable wrought alloy
which has mechanical properties comparable to those of heat-treated alloy steel of the same order of hardness and resistance to corrosion like that of Monel. What is this alloy
of nickel?

A

K Monel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

An interrupted quenching process
resulting in an austenite to martensite transition is _______.

A

Martempering

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

When more than one spring or resisting members share the load, the relative stiffness is the _______.

A

Rigidity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

In sulfuric acid, which of the following
is suitable for handling acid in concentrations up to 50% and at a temperature including the boiling point?

A

Hastelloy B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Mechanical impact devices that accept material smaller than approximately 4 inches.

A

Fine impact mills

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

An interrupted quenching process
resulting in an austenite to bainite transition is_______.

A

Austempering

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which of the following is one of the best methods for increasing a spring’s fatigue life?

A

Shot peening

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the lightest known metal?

A

Aluminum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Material having a high electrical
resistance and should not be used as a conductor of electrical current.

A

Iron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The property that characterizes a
material’s ability to be drawn into a wire.

A

Ductility

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The carbon content range percentage in steel that readily responds to heat treatment.

A

0.35 - 0.40

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

A number indicating how many times a certain volume of a material is heavier than an equal volume
of water.

A

Specific gravity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

The characteristic of tool steel to
sustain shocks and major impact.

A

Toughness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

A good general-purpose deoxidizer
which promotes fine grain in steel.

A

Silicon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

It is a hardening treatment whereby a cast metal is being heat treated to a very high temperature
(above the recrystallization phase) then suddenly subjected
to rapid cooling to improve hardenability of wear resistance.

A

Quenching

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

A treatment process that produces a
residual compressive stress at the surface and residual tension on the inside that results in considerable increase in fatigue strength for members of tension/bending.

A

Shallow quenching

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Normally, cast iron contains 2% carbon or more and silicon in the range of _____ %.
1 to 3
26
The SAE designation for steel composed of nickel, chromium, and molybdenum.
94XX
27
The material for engine radiation is usually made of ________.
Yellow brass
28
A problem by-product used as an electrode in an electric arc furnace melting operation.
Graphite electrodes
29
Which of the following does not affect the tensile strength of steel?
Boron
30
Mirror finish specimen has surface roughness of:
1 rms
31
Chromium steel to include and corrosion resistant designation.
SAE 514XX
32
A non-metallic material of high melting temperature being used as a furnace lining.
Refractories
33
What is the silicon-manganese steel designation?
92XX
34
A major alloying element in tool steels.
Chromium
35
The material that can wear/cut materials subjected to:
Abrasive
36
Not adaptable to welding due to low tensile strength and poor ductility, etc.
Aluminum parts
37
Which of the following is not a viscoelastic material?
Metal
38
These steels (SAE Steels 1006, 1008, 1010, 1015)are the lowest carbon steels of the plain carbon type, and are selected where _______ is the primary requisite of the user.
Cold formability
39
In manufacturing, what is the operation of cutting out flat area to some desired shape and is usually the first step in a series of operation?
Blanking
40
An instrument that measures the hardness of the work piece in terms of elasticity.
Durometer
41
The ability of metal to stretch, bend or twist without breaking or cracking.
Ductility
42
The property of material wherein the content is continuously distributed through its entire mass
Homogeneity
43
Alloy steel axle under repeated stress will eventually fail if the stress is above the endurance for the axle. What is the endurance limit of steel?
One-half of the ultimate strength
44
Which of the following steels does not readily respond to heat treatment?
SAE 1020
45
Which of the following material has 66% Nickel, 29% Copper, and 3% Aluminum?
K Monel
46
Gasket material which should avoid hot liquid/steam application.
Rubberized
47
In greater quantity, this element is harmful to the molten ferrous metal.
Sulfur
48
Steel designation SAE 51xxx belongs to the________ steel family.
Chromium
49
This iron is also known as a ductile cast iron. What do you call this iron?
Nodular cast iron
50
A fine-grained salty silica rock used for sharpening edge tools.
Oilstone
51
The SAE 2340 shafting contain ____ % Nickel.
3.25 to 3.75%
52
Specification of molybdenum alloy
SAE 4XXX
53
Chromium steel standard designation:
SAE 5XXX
54
Plain carbon steel standard designation:
SAE 10XX
55
Manganese steel standard designation:
SAE 13XX
56
Molybdenum-chromium-nickel steel designation.
SAE 43XX
57
Molybdenum steel standard designation.
SAE 40XX
58
Steel plates allowable tensile strength.
396.41 N/m²
59
In general, alloys with high nickel content retain toughness to quiet low temperatures up to _____°F.
-320
60
These are steels most widely used of engineering materials, no other material offers comparable versatility for product design.
Wrought steels
61
An 18-8 stainless steel means:
18% nickel and 8% chromium
62
The shear stress along the principal plane subjected to maximum principal stress is:
Zero

MACHINE ELEMENTS (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions