COMPLETE 300 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+
Chemical Engineering
Name some of the documentation/reports that may be required to be
maintained on a coatings project.
Daily/weekly summary, material usage reports, manpower and
equipment, conformance, and Non-conformance
What are the most important characteristics of a good report?
Objective, Accurate, and Detailed.
What is the inspector's primary responsibility and what should the
inspector not do as it pertains to the specification.
The Inspector's primary responsibility as the inspector is to
"enforce" specification. The inspector is NOT to make changes to
the specification for any reason.
,What type of information could you expect to find on a [Material]
Product Data Sheet (PDS)?
Surface preparation and application information such as
recommended level of surface cleanliness, recommended
application methods and equipment such as tip sizes. Also,
environmental parameters for application such as max and min
temperatures, curing times, recoat windows.
What type of information could you expect to find on a Safety Data
Sheet?
Health, safety and environmental. The PPE required. Physical
characteristics. Emergency responder information.
Explain the difference between Quality Assurance (QA) and Quality
Control (QC).
Quality Assurance - Any systematic process of checking to see
whether a product or service being developed is meeting specs.
Quality Control - A procedure or set of procedures intended to
ensure that a manufactured product or performed service
adheres to a defined set of quality criteria or meets the
requirements of the client or customer
Identify some of the defects that can be caused by incorrect
application temperatures.
Failure to cure, too rapid solvent evaporation, poor film formation
, Describe relative humidity.
The amount of moisture in the air compared to saturation level
What is the dew point temperature?
The temperature at which moisture will begin to form on a steel
surface.
Name some of the effects wind may have on a coatings project.
blowing abrasives, causing excessive drift or overspray, accelerating
solvent evaporation, contributing to the formation of dry spray
What are some of the common errors when using an electronic
hygrometer?
Failure to acclimate the instrument to the environment with adequate
time.
Explain the process for use of the sling psychrometer.
Make sure the wick is wet and clean, continue to "sling" until 3
consecutive readings are achieved
List three (3) desirable properties of a coating?
Chemical Resistance, water resistance, ease of application, cohesive
strength, impact resistance, dielectric strength