NACE 1 Questions and Answers 100% Pass

NACE 1 Questions and Answers 100% Pass Cathode - Answer ️️ -More noble region where electrons are consumed. Reduction occurs at the cathode Anode - Answer ️️ -Part of the metal that corrodes. Oxidation occurs at the anode Return Path - Answer ️️ -Connects cathode and anode and allows passage of electrons generated at the anode to the cathode Electrolyte - Answer ️️ -Medium that conducts ionic (rather than electronic) current Negative Electrode - Answer ️️ -Zinc case which corresponds to the anode in a corrosion cell High Voltage Detection Types - Answer ️️ -1. Rolling Spring 2. Smooth Neoprene Flaps 3. Bristle Brush Low Voltage Detectors Battery Range is: - Answer ️️ -5-120V DC General Types of Holiday Detectors - Answer ️️ -1. Low voltage DC 2. High voltage DC 3. High voltage pulsed DC 4. High voltage AC Adhesion Failures May be Caused by: - Answer ️️ -1. Contaminated surface 2. Wrong surface prep. 3. Insufficient profile 4. Exceeding topcoat window Checking can be Described as: - Answer ️️ -Line cracks in the coating surface Causes of Cracking - Answer ️️ -1. Stress from movement 2. Internal stress as coating ages Common Cause of Blistering - Answer ️️ -Surface contaminants: oil, moisture, and/or grease Pinholes are: - Answer ️️ -Small holes in the coating Vacoules or voids are typically caused by: - Answer ️️ -Air trapped in coating during mixing Cratering may be caused by: - Answer ️️ -Air trapped in coating A powdery, friable layer on the surface of a coating common with epoxy coatings is: - Answer ️️ -Chalking Runs, sags and wrinkles are caused by: - Answer ️️ -1. Coating applied too thickly 2. Too much thinner 3. Surface too hot 4. Improper spray technique Problems caused by amine blush - Answer ️️ -1. Surface tackiness 2. Incomplete cure 3. Poor adhesion Non drying films may be caused by: - Answer ️️ -1. Environmental issues 2. Wrong/contaminated thinner 3. Manufacturer coating issues MSDS contains following - Answer ️️ -1. Stability and reactivity 2. Handling and storage 3. PPE 4. Physical and chemical properties Coating product data sheets contain - Answer ️️ -1. Generic type 2. Description 3. Features 4. Color 5. Finish 6. Proper use 7. Performance data 8. VOC values 9. Application methods 3 ways coating is applied - Answer ️️ -1. Brush 2. Roller 3. Spray High temp concerns - Answer ️️ -1. Slow solvent evaporation 2. leaves moisture on coating surface Low temp concerns - Answer ️️ -1. Slow cure times 2. Increased viscosity Guide to enclosures - Answer ️️ -SSPC Technical Update #6 Project inspection documentation provides - Answer ️️ -1. QC records 2. Management Information 3. Verification of work 4. Details of non-conformance work Good records allow management to: - Answer ️️ -1. Detect de