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CIP 1 > Practical Questions > Flashcards

Practical Questions Flashcards

1
Q

The contractors sling psychometer gives a different reading than your digital dew point meter. What would you do first as an inspector?

A. Verify calibration of both instruments
B. accept the digital dew point meter reading
C. Shut down the work
D. accepted the sling psychometer reading

A

A. Verify calibration of both instruments

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2
Q

Where should surface temperature readings be taken? (select all that apply)

A. Only indirect sunlight
B. Only in the shade
C. At the actual work location
D. At the areas that are likely to be hotter or colder than the normal
E. On areas of the structure that are exposed to high wind

A

C. At the actual work location
D. At the areas that are likely to be hotter or colder than the normal

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3
Q

what is the temperature at which moisture condenses on a surface called?

A. Relative humidity
B. Dew point
C. Delta T (temperature)
D. Surface temperature
E. Air temperature

A

B. Dew point

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4
Q

Which of the following would be appropriate to add to a sling psychrometer?

A. Red spirit
B. Sea water
C. Distilled water
D. Mercury

A

C. Distilled water

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5
Q

Which of the following procedures is used to test for ferrous salts?

A. Bresle patch test
B. Sleeve test
C. Potassium ferricyanide test
D. Salt contamination meter

A

C. Potassium ferricyanide test

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6
Q

When using titration tubes to analyze a sample taken from the surface, which color value indicates the presence of chlorides in the test solution?

A. Pink
B. White
C. Blue
D. Yellow

A

B. White

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7
Q

According to ISO 8502 - 6, when collecting a test sample using the Bresle method, the water should be reinjected into the cell a minimum of how many times?

A. 4 times
B. 3 times
C. 2 times
D. Never, the water is only injected into the cell once.

A

A. 4 times

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8
Q

Which of the following methods is used to test for the presence of nitrates?

A. Salt contamination meter
B. Conductivity meter
C. Titration tubes
D. Ion test strips

A

D. Ion test strips

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9
Q

Name the three types of soluble salt contamination

A

Chlorides, sulfates, and nitrates

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10
Q

How should the surface profile be defined in a well written specification?

A. As an exact measurement
B. Specifying only the maximum depth
C. Specifying only the minimum depth
D. As a range of measurements

A

D. As a range of measurements

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11
Q

You are on a project where Testex tape is specified to determine the surface profile by a STM D4417, method C. Which of the following is likely to cause errors? (select all that apply)

A. Dust on the surface
B. Using an incorrect grade of tape
C. Not accounting for the thickness of the mylar tape
D. Under burnishing the Mylar tape

A

A. Dust on the surface
B. Using an incorrect grade of tape
C. Not accounting for the thickness of the mylar tape
D. Under burnishing the Mylar tape

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12
Q

According to ASTMD 4417 method B, when taking measurements using a profile gage at each location you should_______? (Select all that apply)

A. Take five gage readings in three locations, record the average value per location, then determine the average of all locations as the reported profile
B. Take three gage readings in five locations, record the average value per location, then determine the average of all locations as the reported profile
C. Take 10 readings per location, record the maximum value, then determine the average for all maximum values as the reported profile
D. Take 10 readings and record the average of those 10 readings as the reported profile depth.

A

C. Take 10 readings per location, record the maximum value, then determine the average for all maximum values as the reported profile
D. Take 10 readings and record the average of those 10 readings as the reported profile depth.

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13
Q

Depth of surface profile can be evaluated by several methods including?

A

ISO Comparator
Replica Tape
Digital Profile Gauge

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14
Q

The IO comparator grades may be recorded as what?

A

Finer than fine grade
Find grade
Medium grade
Coarse grade
Coarser than coarse grade

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15
Q

The two types of replica tape that are commonly used are?

A

Coarse for 0.8 to 2.5 mills
X-coarse for 1.5 to 4.5 mills

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16
Q

What are the standards for using replica tape?

A

ASTM D 4417 Method C
NACE SP 0287-2002

17
Q

What are common errors when using replica tape?

A

Variation in point to point profile over the surface being tested
The presence of particles of dirt on either the replica tape or gauge
gauge accuracy
The rubbing or burnishing technique

18
Q

When using a wet film thickness gauge, the film thickness is reported as which of the following?

A. The first tooth has coating on it
B. The first tooth has no coating on it
C. The last tooth has no coating on it
D. The last tooth has coating on it

A

D. The last tooth has coating on it

19
Q

Which of the following is an advantage of using a magnetic pull off gauge?

A. It is intrinsically safe
B. It is more accurate than digital gauges
C. It can be used in small, hard to reach areas
D. It can store readings

A

A. It is intrinsically safe

20
Q

You must take a measurement using a magnetic pull-off gage. What is the minimum recommended distance from the edge that you can reliably take a measurement?

A. 1cm (.39 inch)
B. 2.5cm (1 inch)
C. 6.35 cm (2.5 inch)
D. 2.5mm (.10 inch)

A

B. 2.5cm (1 inch)

21
Q

Per iso 19840, a 2 point verification of a type 2 gage requires______?

A. Selecting reference coated standards below and above the anticipated coating thickness
B. Selecting two reference coated standards representing the mid range of the anticipated coating thickness
C. Selecting reference coated standards that represent the minimum and maximum DFT specified
D. Recording two measurements of gauge accuracy against coated reference standards

A

A. Selecting reference coated standards below and above the anticipated coating thickness

22
Q

If the surface area of the pipeline is 3 meters squared how many dry film thickness measurements do you need to perform?

A

5 spot measurements per SSPC PA 2 Lv3
or
A minimum of ten measurements per ISO 19840

23
Q

You have a 10 mills conductive coating on a non conductive surface and need to check for holidays. How would you perform the inspection?

A. Use a low voltage holiday detector
B. Visually, you cannot use a holiday detector
C. Use a high voltage DC holiday detector
D. Use a high voltage AC holiday detector

A

B. Visually, you cannot use a holiday detector

24
Q

You are performing holiday testing early in the morning with due on the pipe. The reason you may get in erroneous indication is caused by_______?

A. Telegraphing
B. Excessive film thickness
C. broken ground wire
D. Dead battery

A

A. Telegraphing

25
Q

The general types of holiday detectors include what?

A

Low voltage DC
High voltage dc (pulse dc, continuous, and constant dc high voltage detectors)

26
Q

Low voltage holiday detectors have a voltage of what?

A

Typically less than 90 volts DC but can range from five to 120 volts DC

27
Q

high voltage dc holiday detector types include what?

A

Dc pulsed and dc constant current

28
Q

What are five safety considerations that should always be observed when using high voltage holiday detectors?

A
  1. Make sure the structure to be tested is grounded to Earth
  2. Check that the coating has cured prior to testing and no solvent fumes are present
  3. Check that the surface is dry
  4. Make sure adjacent workers are not touching the structure or the ground wire during testing
  5. Never point the wand at another person
  6. Use the appropriate voltage setting for the anticipated DFT
29
Q

What type of high voltage holiday detector is used for concrete?

A

High voltage DC constant current

30
Q

At what height is fall protection equipment required?

A. 6 feet
B. Three feet
C. 12 feet
D. 9 feet

A

A. 6 feet

31
Q

Who should an inspector obtain guidance from regarding their role relative to safety issues?

A. The asset owner
B. The contractor
C. Your employer
D. Your local safety administration

A

C. Your employer

32
Q

Which of the following should an inspector verify before entering a confined space? (Select all that apply)

A. verify the space has been tested and cleared for entry
B. Only intrinsically safe inspection equipment is used
C. Proper personal protective equipment is employed
D. That the workers have been properly trained

A

A. verify the space has been tested and cleared for entry
B. Only intrinsically safe inspection equipment is used
C. Proper personal protective equipment is employed
D. That the workers have been properly trained

CIP 1 (2 decks)

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