BASICS PRACTICE SET ANSWERS FULL
SOLUTION
◉ 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.