Leveling And Bore Alignment COPY Flashcards

1
Q

What is flat?

A

May be level

May be flat on an incline

Same plane

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2
Q

What is plumb?

A

To align perpendicular to the horizon, vertical.

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3
Q

What is straight?

A

To be in direct line of. (Straightness)

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4
Q

What is square?

A

Refers to something that is aligned 90 degrees to a reference.

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5
Q

What is level?

A

To put in the same plane as the horizon.

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6
Q

Define refraction.

A

Bend the line of sight as it passes through glass. Light bends as it passes through different densities.

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7
Q

What prism will turn a line of sight precisely 90 degrees?

A

A pentaprism, a five sided prism.

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8
Q

What is the function of a tilting level?

A

To establish a level plane and are used strictly for levelling procedures.

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9
Q

What is the primary purpose if a jig transit?

A

To align and establish precise vertical planes and plumb lines. (Vertical readings)

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10
Q

What ins turner is used to measure angles with extremely high accuracy?

A

A theodolite, can measure angles in horizontal and vertical.

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11
Q

What is bucking in?

A

The process of aligning an optical tool onto two targets at the time. A precision lateral adjuster is required.

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12
Q

What is a plumb aligned bracket used for?

A

To set up an optical telescope quickly and easily to establish a vertical plumb line.

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13
Q

What is the function of the optical square?

A

To establish a plane perpendicular to the reference line of sight.

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14
Q

What is the proper term for the reference point?

A

Benchmark.

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15
Q

Why is roughy levelling important with a tilting level?

A

To ensure the coincidence level is within adjustment.

The rough alignment is getting the fisheye level.

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16
Q

When using the titling level what must you do before every shot?

A

Adjust the coincidence level.

17
Q

Optical micrometers work by?

A

Refracting the light downward to the nearest known measurement.

18
Q

Where should the tilting level be placed between the back sight and foresight?

A

Equal distance between them.

19
Q

Which alignment procedure requires a light source and a second telescope?

A

Collimation

20
Q

Which alignment procedure uses a target mounted in the end if a telescope?

A

Auto refraction.

21
Q

Optical micrometers are capable of measurement to an accuracy of?

A

0.001 with out a vernier scale, 0.0001 with a vernier scale.

22
Q

What is used to check the accuracy of a jig transit?

A

Wire weight held vertically.

23
Q

Dynamic interruption in a laser system occurs when?

A

The beam falls outside the range if the detector while rotating.

24
Q

Which is more accurate, auto collimation or auto reflection?

A

Auto collimation

25
Q

What accessory is used to accurately align the centres in bearing bores?

A

Target holders

26
Q

What is used in an alignment telescope or collimator to establish the tool is in a level position?

A

Coincidence striding level.

27
Q

What is the purpose of the jig transit?

A

To align and establish precise vertical planes and plumb lines.

28
Q

What is the purpose of tilting levels?

A

To establish a level plane and are use strictly for levelling procedures.

29
Q

If done correctly wire alignment can be accurate up to?

A

0.0001 inch

30
Q

Construction grade lasers are accurate up to?

A

1/4 in per 100 ft