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Hilti > PTS Test 1 > Flashcards

PTS Test 1 Flashcards

(61 cards)

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1
Q

concrete chips or fragments that break off at the moment when a fastener first impacts the concrete

A

Spalling

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2
Q

he most commonly used powder actuated fasteners are ______ and ______

A

8mm and 10mm pins and studs

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3
Q

There are five key head types of Hilti powder actuated fasteners with _____ guidance washers.

A

8mm

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4
Q

Five 8mm Fasteners

A 
X-U
X-C
X-S
X-CR
X-CF
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5
Q

The ___ nomenclature indicates a “universal” fastener. Provides customers with a simple, universal, high performance, competitively priced powder actuated fastener system for a variety of applications

A

X-U

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6
Q

The _____ nomenclature indicates a standard fastener for concrete applications. has a cut point fastener and is not as strong as ballistic. Better suited for low to medium psi concrete

A

X-C

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7
Q

The ____ nomenclature indicates a standard fastener for steel applications. Primarily used in thin materials or drywall track to steel. Only two sizes available ____ 13 and ____ 16

A

X-S

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8
Q

The ____ nomenclature indicates a “corrosion resistant” fastener. Provide excellent performance where moisture or corrosion are possible.

A

X-CR

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9
Q

Sometimes referred to as a “cheap fastener”. This fastener has been developed for high volume users fastening into green/new or lightweight concrete for interior 2x4 applications or for temporary exterior fastening.

A

X-CF

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10
Q

Hilti’s powder actuated pins with 10mm guidance washers have the ____ nomenclature, which indicates a dome-shaped nail head. These thicker fasteners can support a greater shear force. They also have a ballistic point, which provides excellent penetration.

A

X-DS

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11
Q

______ ______ have threads that protrude from the base material surface after installation. Since the nut and washer used to tighten fastened material may be removed after installation, studs can be used to fasten material temporarily.

A

Threaded Studs

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12
Q

27mm = 1”

A

27mm = 1”

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13
Q

TRUE OR FALSE: The compressive strength of concrete is measured in pounds per square foot.

A

False, Pounds per square inch

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14
Q

TRUE OR FALSE: Fasteners are often used in the construction industry.

A

True, Almost all use them frequently

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15
Q

Examples of stud anchors include: (4)

A

wedge, sleeve, undercut, impact

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16
Q

The anchors that generate holding power without bonding to the base material are _____ anchors.

A

Mechanical

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17
Q

The anchors that rely on a chemical bond, created from a resin and hardener, to adhere an anchor to concrete, solid masonry, or hollow masonry are _____ anchors.

A

Adhesive

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18
Q

Expansion shield, lag shield, drop-in, and toggler bolt anchors are all examples of _____ anchors.

A

Insert

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19
Q

TRUE OR FALSE: Screw anchors cut and tap into the base material.

A

True

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20
Q

Wedge and sleeve anchors are examples of _____ anchors

A

Stud

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21
Q

The anchors that are positioned before concrete is poured are _____ anchors.

A

Cast in place

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22
Q

There are three main working principles for anchors

A

friction, keying, and adhesion.

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23
Q

The loads or forces placed on anchors can be classified into four categories

A

Tension, Shear, Combined, Bending

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24
Q

An anchor’s ___________ is a measure of the maximum weight the anchor will support before it fails.

A

Ultimate Load

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25
The _____________ is the highest load a design engineer will subject the anchor to during normal use
Allowable working load
26
The force cutting across the anchor in a direction perpendicular to its length is the _____ force.
Shear
27
When tension and shear act at the same time on an anchor, a _____ force results.
Combined
28
A shear load acting at a distance from the base material surface is defined as a _____ force.
Bending
29
The force trying to pull the anchor straight out of the hole is the _____ force.
Tension
30
______ ________ occurs when the anchor material fails or the adhesive bond with the base material fails
Anchor Failure
31
_______ _______ occurs due to edge failure, spalling of the concrete around the anchor, or splitting.
Concrete Failure
32
The load applied to an anchor may exceed the anchor material's ultimate load. This typically happens with anchors that are deeply embedded relative to their diameter, or with high, repetitive (fatigue) loading.
Anchor Material Failure
33
______ _______ occurs when the applied load is greater than the concrete's tensile strength.
Cone Failure
34
If an anchor is placed and loaded in concrete with insufficient thickness, width, or strength, the base material may split.
Concrete Splitting
35
The weakest aspect of the anchoring system determines the failure mode
Weakest Aspect
36
represents the distance from the surface of the base material to the deepest part of the anchor after it has been driven into the hole, but before it has expanded.
Depth of embedment
37
To obtain the ultimate load bearing capacity of any anchor, the cone of influence must not overlap the edge. If this occurs, the volume of base material being used is reduced.In order to be reasonably certain that the edge will not break away when the anchor is being set, the minimum specified distance from the edge must be observed.
Edge Distance
38
The closest point near an edge with no reduction, or influence, on the anchor capacity is called the _________ ______ ________.
Critical Edge Distance
39
The minimum spacing for each type of anchor is expressed in terms of _____.
Embedment Depth
40
As the depth of embedment increases, a _____ cone of influence is created.
larger
41
The reaction of metal with environmental elements, including rain, condensation, humidity, sprayed water, chemicals, gases, pollutants, and building materials. ________ reduces the strength of an anchor, and may occur locally (e.g., pitting) or uniformly over an entire surface.
Corrosion
42
There are two types of adhesive anchor systems available
Capsule and Injection
43
Because Hilti's vinylester resin has a very low viscosity, it ____
penetrates better into the concrete pores, producing a keying effect along with adhesion
44
The system in which the resin and hardener are self-contained in either glass or foil packaging is the _____.
Capsule System
45
To install a 1-1/4" HAS rod anchor using an HVU capsule, you need to use the _____.
TE-Y/SDS-1" square drive shaft and the 1-7/8" x 1" drive socket
46
HIT system, is designed for attaching medium to heavy-duty loads to concrete, brick, masonry, grout, and stone.
Hilti Injection Technique
47
Sam tells you that a particular construction project is specifying a quantity of 40 1/2" x 6-1/2" HAS Super A193 Rods with HVU capsules to attach some machinery to concrete. Sam has several TE 16 drills. What does Sam need to install this anchor?
``` Anchor 68658 Capsule 256693 Drive Shaft 32220 Drive Socket 65278 Drill Bit 206715 ```
48
a fastening device that relies on a friction and/or keying hold for support
Mechanical Anchor
49
Three types of mechanical anchors
stud, insert, screw
50
anchors intended for structural loads
heavy-duty anchors
51
typically intended for non structural applications
medium-duty anchors
52
intended for relatively light loads where life safety is not an issue
light-duty anchors
53
TRUE OR FALSE: The minimum anchor length needed is equal to the sum of the thickness of the nut and washer, the thickness of the material to be fastened, and the minimum embedment required.
True
54
The diameter of the Kwik Bolt 3 is always equal to the _____.
Thickness of the nut and washer
55
Whenever you are helping a customer select the appropriate Kwik Bolt 3 length, the first thing to determine is the _____.
diameter of the anchor the customer requires
56
ah ex bolt head anchor that allows low-profilr fastenings
HCA anchor (Hilti Coil Anchor)
57
HDI anchors derive their holding power from an _____.
Internalexpansion cone
58
The anchor that has a coarse thread instead of the machine thread found in other anchors is the _____.
HDI-S
59
Stainless steel Kwik Bolt 3s are available in _____ stainless steel.
304 and 316
60
Stainless steel sleeve anchors are available in _____ stainless steel.
304
61
The standard HDI anchor, popular in plumbing, heating, air conditioning, and ventilation installations, is available in _____ stainless steel.
303

Hilti (1 decks)

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