What are the requirements for setting the primary unit?

Check the position, level, set elevation, and set bearing clearances,

What is the purpose of a machines centreline?

They pinpoint machinery's precise center and establish its position.

What qualities do Polymeric grouts have?

Non-shrinking and excellent adhesion

You have shims that are under 1/8" thick, what is the maximum height you can go?

Keep shims under 1/8" to less than 3/8" total thickeness.

What operating principles of rotating machinery should the installer understand?

Intended function, fitting, and mounting procedures, alignment, rigging.

Maintenance pre-installation?

Full equipment inspection and prep and rotate shafts, pre lubricate.

What should be done to keep machine warranty?

Follow all Manufacturer's requirements for installation, alignment, etc.

What does a millwright check on a foundation?

check the existing anchor bolt locations and fabricate them as required.

What course of action is to be taken after the machine is moved into place?

Fit couplings, sheaves, sprockets, and other field mounted equipment

what are some genera rules for proper reference lines?

Minimize the # of lines, maximize layout size, establish a square line.

What does 'L2' signify in A = T x L1 / L2?

Distance from highest to lowest shim

Describe the purpose of datums and benchmarks.

they are used to establish a machine's elevation and horizontal position.

What are some rules for using shims?

used to permanently adjustment machine, keep the # of shims to a minimum.

How are machines maintained in alignment during operation?

By installation on baseplates and fastening to the foundation

Why is proper installation, leveling, and alignment vital to satisfactory machine operation?

To prevent vibration, energy loss, and breakdown

What are all the steps in the for grouting in machinery?

Set, level, torque, grout forms, grout, tighten bolts, recheck level

Where do you start leveling a baseplate from?

Work from the highest point, ensure bolts are torqued to 50% value first.

What are the requirements of a foundation?

Must be solid and rigid, and help minimize vibration

What are leveling screws used for?

used to support the weight of the machine and to adjust the machine's level

Precautions should you following when using a laser?

Avoid direct eye exposure, wear safety glasses.

What care should be taken when setting anchor bolts in position?

Position accuracy, The bolts must be straight

What are Datum points in machinery?

Known points from which scale starts, used to correlate measurements

What's an adjustable machinery mount?

Device that machine laterally or axially

How are voids avoided and then managed in grouting?

liquidy grout mixture, spread techniques, tap test, repair with epoxy

What can lasers replace the need for?

Can replace the need for wires, and straight edges

What is Primary equipment in machinery?

The first unit of machinery set in place like pumps or conveyors

You have 5 shims in total, 2 x 1/8" shims, and 3 x 0.005" for a total of 2.515". How should you arrange the shims?

Sandwich the shims 1/8" shims on top and bottom smallest shims in center.

List the types of anchor bolts available used for installation with existing concrete.

mechanical expansion anchors, drop in anchors, chemical adhesive types

Why are soleplates installed to a lower elevation than drawing calls for?

Easier to build up than lower it down and for precise alignment/leveling

What should be recorded when installing machines?

record should be made of process to install equipment and any modifications

What is a Foundation in terms of machinery?

The main support upon which a machine rests

How are voids in grout detected and repaired?

Tap base, if tone change heard, repair with grease/epoxy

How are permanent reference points established on baseplates and in floors?

with brass plugs which are drilled and tapped then cut flush and scribed.

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Installation and Levelling

84 termsStudBud Administration35 plays

BC Millwright level 2

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Questions 84

Answers

1
What is the pot life of Polymeric grouts? (Once grout is mixed)
1-2 hours
5-15 minutes
Over 3 hours
30-60 minutes
2
You can calculate the amount that a plate is out of level using a precision level and a what?
Scale
Measuring tape
Rule
Feeler gauge
3
What special ingredient is needed for to mix up Cementitious grout?
Special tools
Just water
High temperature
special agents
4
What are the requirements for setting the primary unit?
Analyze operational efficiency..
Check the position, level, set elevation, and set bearing clearances,
Inspect safety protocols.
Evaluate maintenance procedures.
5
What is the purpose of a machines centreline?
They pinpoint machinery's precise center and establish its position.
For aesthetic design
Aligns with floor
To balance the machine
6
What qualities do Polymeric grouts have?
Poor moisture resistance
High thermal expansion
Shrinking and low adhesion
Non-shrinking and excellent adhesion
7
You have shims that are under 1/8" thick, what is the maximum height you can go?
Keep shims under 1/8" less than 1/2" total thickeness.
Stack multiple soft shims up, to 2"
No limit place as many as you want.
Keep shims under 1/8" to less than 3/8" total thickeness.
8
What operating principles of rotating machinery should the installer understand?
Intended function, fitting, and mounting procedures, alignment, rigging.
How much the machine cost the company and where they can cut costs
operator training
Lubrication of chain drives
9
Maintenance pre-installation?
Inspect open cavities
Full equipment inspection and prep and rotate shafts, pre lubricate.
Rotate shafts yearly
Nothing needs done for 6-8 months.
10
What should be done to keep machine warranty?
Follow all Manufacturer's requirements for installation, alignment, etc.
Test cranes maximum lifting capacity
Call manufacture and ask for a someoe else to come install
Ignore all manufacture recommendations and follow what your supervisor says
11
What does a millwright check on a foundation?
check the existing anchor bolt locations and fabricate them as required.
Concrete strength
Color of foundation
Levelness only
12
What course of action is to be taken after the machine is moved into place?
Install cameras
Walk away, welders are in
Fit couplings, sheaves, sprockets, and other field mounted equipment
Test run equipment
13
In the formula A = T x L1 / L2, what does 'T' stand for?
Distance between shims
Thickness of feeler blade
Length of level
Adjustment of shim
14
what are some genera rules for proper reference lines?
Minimize the # of lines, maximize layout size, establish a square line.
Use shortest lines
Use as many lines as possible
Keep lines invisible
15
What does 'L2' signify in A = T x L1 / L2?
Distance from highest to lowest shim
Adjustment of shim
Length of level
Thickness of feeler blade
16
Describe the purpose of datums and benchmarks.
To guide installation
to level floors
they are used to establish a machine's elevation and horizontal position.
For construction alignment
17
What are some rules for using shims?
used to permanently adjustment machine, keep the # of shims to a minimum.
For temporary support
Stack multiple shims up to 30"
As machine fasteners
18
What are the advantages of using a template for positioning anchor bolts?
Cost reduction
Accurate alignment
Easier leveling
Faster installation
19
What do self leveling pads contain that allows them to take slight misalignment of machines?
They feature a mechanism with integrated rocking components.
They incorporate a felt pad that absorbs vibration.
They use a pivoting mechanism bolt style
They incorporate a rocker arm
20
How are machines maintained in alignment during operation?
By frequent recalibration
By installation on baseplates and fastening to the foundation
By adjusting the machine speed
By regular lubrication
21
When setting plate elevations using an optical level, you should shoot the plate where?
In the center
At all four corners
At each leveling bolt
At both ends
22
Why is proper installation, leveling, and alignment vital to satisfactory machine operation?
To make the machine look better
To increase energy consumption
To prevent vibration, energy loss, and breakdown
To increase noise levels
23
What are all the steps in the for grouting in machinery?
Set, level, wait a week
Just pour grout
Set, pour grout, immediate bolt tighten
Set, level, torque, grout forms, grout, tighten bolts, recheck level
24
The use of a laser transmitter eliminates the need for what?
Checking the soleplate for distortion
Piano wire and straight edges
Optical levels
Magnetic bases
25
What can a rotating precision laser provide in a 360-degree setup?
Benchmark
Center line
Datum plane
Datum point
26
Where do you start leveling a baseplate from?
Use a ruler for leveling
Work from the lowest point
Tighten all bolts first
Work from the highest point, ensure bolts are torqued to 50% value first.
27
What are the requirements of a foundation?
Must be solid and rigid, and help minimize vibration
For operators to stand on
For alignment only
Minimize noise
28
When Spirit levels provide reference to a vertical check or adjustment, it is referred to as being what?
Parallel
Diagonal
Horizontal
Plumb
29
What is one method for making a paino wire Taut?
With clamps
By pulling on it with your finger.
Using a turnbuckle to tighten
By tying knots
30
What are leveling screws used for?
To measure height
Just to support weight
used to support the weight of the machine and to adjust the machine's level
For attaching parts
31
Meaning of 'building tie-in'?
Anchoring to bedrock
New build joins existing one
Waterproofing junction
Structural reinforcement
32
What does 'A' represent in the formula A = T x L1 / L2?
Thickness of feeler blade
Distance between shims
Length of level
Adjustment of shim
33
Precautions should you following when using a laser?
Use protective gloves
With special tools
Avoid direct eye exposure, wear safety glasses.
only use indoors in the dark
34
What care should be taken when setting anchor bolts in position?
Material compatibility
Position accuracy, The bolts must be straight
Bolt size uniformity
Bolt color coordination
35
A pentaprism is used to direct the line of sight exactly how many degrees from the original line of sight?
45°
30°
180°
90°
36
What are Datum points in machinery?
Known points from which scale starts, used to correlate measurements
The main support upon which a machine rests
A wire with very high tensile strength used for reference lines
A pin used to ensure permanent location and alignment
37
What's an adjustable machinery mount?
Device that machine laterally or axially
Secures machine in place
a purchasable item not normally obtained by companies.
Allows for lubrication
38
How long is the shelf life of Polymeric grouts?
More than 2 years
Less than 1 year
Less than 6 months
Forever
39
What container is recommended for mixing Polymeric grouts?
Glass container
Any plastic container
Chemically resistant container
Metal container
40
How are voids avoided and then managed in grouting?
Just pour and wait
Ignore voids they don't change anything, set machine
liquidy grout mixture, spread techniques, tap test, repair with epoxy
Use thick grout
41
What can lasers replace the need for?
Can replace the need for measuring distances
Can replace the need for wires, and straight edges
Can replace the need for communication with your bosses
Can replace the need for scanning and cleaning surfaces
42
What is Primary equipment in machinery?
A high tensile strength wire for reference lines
The first unit of machinery set in place like pumps or conveyors
A unit that transmits mechanical energy
The main support upon which a machine rests
43
You have 5 shims in total, 2 x 1/8" shims, and 3 x 0.005" for a total of 2.515". How should you arrange the shims?
Sandwich the shims 1/8" shims on top and bottom smallest shims in center.
Largest on top, smallest on bottom
Shim arrangement makes no diference.
smallest shims on top, largest on bottom
44
List the types of anchor bolts available used for installation with existing concrete.
Only mechanical types
mechanical expansion anchors, drop in anchors, chemical adhesive types
Standard bolts only
Only chemical types
45
Why are soleplates installed to a lower elevation than drawing calls for?
For visual effect
To prevent slipping
Easier to build up than lower it down and for precise alignment/leveling
To save materials
46
What should be recorded when installing machines?
Log test results only
Only record modifications
Keep purchase records
record should be made of process to install equipment and any modifications
47
What is the base of Cementitious grout?
Gypsum
Slag Cement
Quicklime
Portland Cement
48
What is a Foundation in terms of machinery?
The first unit of machinery set in place
A pin used to ensure permanent location and alignment of machine to base
The main support upon which a machine rests
A wire with very high tensile strength used for reference lines
49
How are voids in grout detected and repaired?
Use a level to check
Just fill with grout
Ignore voids, dont look so you don't see.
Tap base, if tone change heard, repair with grease/epoxy
50
How are permanent reference points established on baseplates and in floors?
Painting on floors
Using stickers
Drilling holes only
with brass plugs which are drilled and tapped then cut flush and scribed.
51
In the formula A = T x L1 / L2, what does 'L1' represent?
Length of level
Distance between shims
Thickness of feeler blade
Adjustment of shim
52
What steps are involved in lubricating, powering, and testing the machines?
Assess maintenance requirements for machinery.
Flush oils, lubricate, install power sources, guards etc and then Test run.
Evaluate safety procedures when working with machinery.
Investigate improvements in machinery performance.
53
Why is a machine foundation usually constructed lower than the bottom of the baseplate or soleplate?
To protect concrete from being contaminated
to allow room for water displacement.
To allow room to precisely align / level the machine.
To allow room to sweep underneathe
54
What do you do after placing shims under a baseplate that is held by anchor bolts?
Tighten bolts to full torque
Check color of shims
Guess the next steps
torque anchors to 50%, recheck level, and add/remove shims as needed.
55
What is the purpose of jacking screws/bolts?
To secure machines
to level floors
raise machines to allow for shims to be placed underneath the machine.
For permanent lifting
56
What is the wire technique when applying grout?
Insert wire to act like rebar to make the grout stronger.
have wire nearby to tie a machine up if you install it incorrectly.
wire under baseplate, pour grout, move the wire back and forth to fix voids
What wire technique?
57
What is the 3, 4, 5 method used for?
With a protractor
Using a compass
Estimating angles
Used for establishing perpendicular lines (its a right angle triangle)
58
What is a Datum plane (level) in machinery?
A pin used to ensure permanent location and alignment
Known points from which scale starts
The horizontal plane from which heights and depths are measured
The first unit of machinery set in place
59
What are Polymeric grouts primarily made of?
Clay and water
Gypsum and limestone
Epoxies and resins
Cement and sand
60
How is permanent and accurate alignment of machines ensured?
With precise leveling
Regular maintenance
Using dowels provides permanent, accurate alignment.
Using strong bolts
61
How are the machine and base prepared, prior to placing the machine on the base?
Installing anchor bolts
Weld on lifting hooks
Modifications completed, review layout, and mounting surface prep
Reviewing machine layout
62
What are the requirements for mounting and securing machinery?
Use rubber pads only
Securely support machine without distorting baseplate minimizing vibrations
Mount on concrete always
grade 2 bolts used
63
When setting up the optical level, what should you check for the validity and stability of the tripod and optical setup?
Move optic 180 degrees along horizontal plane and confirm its aligned
Take site readings off each adjusting bolt and confirm a measurement
Level the optical within 40" of a degree
Adjust the optical so you can use a platform to step onto
64
To what torque are anchor bolts tightened?
Manufactures's spec if not available then, 2/3 bolt yield strength
9 flats past tight
A fixed value
As tight as possible
65
Rigging and handling procedures?
Protect surfaces with oil
Rigging / moving plan, protect edges, figure out center of gravity
Plan for an undersize crane
Weld on lifting hooks
66
The instrument used with the laser transmitter to establish a beam perpendicular is the what?
Mirror
Precision square
Pentaprism
Reflection scope
67
What is Piano wire used for in machinery?
The main support upon which a machine rests
A wire used for reference lines, having high tensile strength
The first unit of machinery set in place
A pin used to ensure permanent location and alignment
68
What are Prime movers in machinery?
Known points from which scale starts
Machines that transmit gravitational energy.
Devices that ensure permanent location and alignment of machine to base
Machines that convert energy into mechanical form to drive other units
69
What are Transmission units in machinery?
The main support upon which a machine rests
Machines that convert energy into mechanical form
Units that transmit energy from a prime-mover to a driven machine
The first unit of machinery set in place
70
What are the names of main reference lines for installation?
Horizontal and vertical
Color-coded lines
Datum, lumber, working, control, or axis lines.
Inside and outside lines
71
What are 2 types of grout used for machinery mounting?
aluminium, polyrex
Cementitous, and polymeric
Polyurea, cement
ceramic, polyurea
72
Why do you need to prevent twisting of base/soleplate?
Only for fitting parts
To avoid noise
distortion of base/sole plates will create vibration and premature failure
For painting ease
73
First unit set in multi-machine install?
Primary equipment
Transmission unit
Secondary unit
Equipment drive
74
What is grout's purpose?
Structural filler linking bed&sole plates to foundation aiding loadtransfer
Insulation material
Decorative purposes
Just for filling gaps
75
What is the accuracy of a tilting level equipped with an optical micrometer?
0.002 mm or hundredths of a mm
0.0010 inches or hundredths of a mm
0.0001 inches or hundredths of a mm
0.0100 inches or hundredths of a mm
76
How should Polymeric grouts be mixed?
Hand stirring
Shaking
No mixing required
Mechanical mixer
77
What is a Dowel in machinery?
straight / tapered pin for perm location and alignment of machine to base
The first unit of machinery set in place
The main support upon which a machine rests
A wire with high tensile strength for reference lines
78
What special agents are inside of Cementitious grout?
Bonding agents
Hydration agents
No special agents
Reactive agents
79
How is vibration controlled?
Frequent maintenance
Use small foundations
Regular inspections
using large well designed foundations is a good way to prevent vibration.
80
What can be used for clean up of this Cementitious grout?
Solvents
Sandpaper
Acid
Just water
81
What are the purposes of anchor bolts and hold-down bolts?
As a temporary fix
To hold the machine securely in a place after its been leveled
Used to fasten the anchor plate to the baseplate.
For vibration control
82
What are Bench marks in machinery?
Units that transmit mechanical energy
The main support upon which a machine rests
The first unit of machinery set in place
Permanent points established by a surveyor for leveling machinery
83
What is the function of Vibration isolators?
To secure machine only
Transmit vibrations
For machine leveling
Prevent vibrations from being transmitted to adjacent equipment.
84
How are center lines establishesd?
mechanical/optical methods are used for establishing machine centerlines.
Estimation
With a laser pointer
With a ruler

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