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Common errors that may produce inaccurate readings when using a Dial Type
Magnetic Pull Off Dry Film Thickness(DFT) gauge include: - ANSWER -Failing
to determine the Base Metal Reading(BMR),Rotating the dial too fast when taking
measurements, and Measuring ditty, tacky, or soft films.
Conventional spray us good choice when: - ANSWER -High quality finishes are
required.
Which of these tests uses a syringe? - ANSWER -Bresle Patch
Which one of these elements is not necessary for corrosion to occur: - ANSWER -
Reference Cell
Digital hygrometers - ANSWER -determine relative humidity, air
temperature,and dew point temperature.
Using SSPC Vis 1 as a guide when performing a visual inspection of a steel
surface prior to surface preparation a NACE Inspector would assign which
designations to the surface condition: - ANSWER -Rust Grades A-D
Inspectors daily reports are used: - ANSWER -By the contractor to estimate the
mount of work done that day, To provide continuity between inspectors, To aid in
arbitration between the contractor and client, and To help in cases of a coating
failure.
Silicone coatings are typically: - ANSWER -Applied in very thin films.
, Excess moisture during holiday testing can cause erroneous by creating a path
across the surface of the coating to pinholes previously detected, or directly to the
signal return connection. This is often referred to as? - ANSWER -Telegraphing
ASTM Standards are applicable: - ANSWER -When specified.
The main responsibilities of the Inspector are to: - ANSWER -Observe and report
the quality of the work performed.
When using a sling psychrometer a very large difference between the wet and dry
bulb readings indicates: - ANSWER -Low Relative Humidity
The NACE Inspector should perform tests for soluble salts: - ANSWER -When
specified.
Corrosion generally occurs at which of the following sites: - ANSWER -Anode
If Inspectors identify issues of non conformance during an inspection, they should:
- ANSWER -Inform both the Contractor and the inspectors supervisor so they can
take appropriate corrective actions.
You are the NACE Inspector on a job where ISO ST 3 has been specified. The
Contractor normally works to SSPC standards and been referencing SSPC SP 3.
Could this have any impact on the final surface preparation appearance? -
ANSWER -No, because there is no real difference in the standards.
Safety Data Sheets must be carefully reviewed by: - ANSWER -All personal
involved in the job.
You are the NACE Inspector on a job where the Owner's specification requires
you to perform a twice daily check of the blast pressure at the nozzle. It is now day
30 on the job and all your readings have been within compliance. The contractor
complains that these checks are taking up to much time and in view of the
compliant results they are unnecessary. Your FIRST preferred course of action is
, to: - ANSWER -Keep doing the checks and consult the Owner's representative for
direction.
If the project specification DOES NOT state the specific DFT measurement
standards, the inspector should use: - ANSWER -A recognized industry standard
like SSPC-PA 2 that is broadly accepted.
ISO SA 2 is defined as: - ANSWER -Thorough Blast Cleaning
When using the ISO comparator in accordance with ISO 8503, if the surface
profile does not directly compare to the one of the four segments the inspector
should: - ANSWER -Record your result by identifying two segments.
Owners hire NACE Inspectors with the expectation that: - ANSWER -The
inspection cost will be offset by an improvement in service life and The inspector
will make a meaningful technical contribution to the job.
An inspector should change position when: - ANSWER -The inspector is
convinced by verifiable facts.
Check abrasive blast pressure with a: - ANSWER -Needle Pressure Gauge
Passivation can best be described as: - ANSWER -A protective metallic oxide
surface layer that slows corrosion.
What is the minimum spot measurement value allowed by SSPC-PA 2 in each 10
m2 (100ft0 area/ - ANSWER -80% of the specified minimum thickness.
Stripe coats are best applied by: - ANSWER -Brush
The Inspector should record the serial numbers of inspection instruments: -
ANSWER -Each time the instrument is used.
ISO SA 3 is directly equivalent to: - ANSWER -NACE No.1/SSPC SP 5