Ghana National Certificate II Welding and Fabrication preparation study materials
Ghana National Certificate II Welding and Fabrication preparation study resources

Ghana National Certificate II Welding and Fabrication preparation common mistakes

Ghana National Certificate II Welding and Fabrication preparation · Understand the traps and how to avoid them.

Mistake 1

welding-processes: Treating a familiar process name as proof that every parameter is acceptable.

A single familiar observation is substituted for the complete relevant evidence and actual process constraints.

What to do instead

Identify the actual material, procedure, geometry, service and verification requirements before accepting the result.

Mistake 2

welding-processes: Treating a neat visible surface as proof of every hidden requirement.

A single familiar observation is substituted for the complete relevant evidence and actual process constraints.

What to do instead

Separate visual evidence from the actual internal condition, material identity, connections and applicable acceptance checks.

Mistake 3

weld-quality-inspection: Treating a familiar process name as proof that every parameter is acceptable.

A single familiar observation is substituted for the complete relevant evidence and actual process constraints.

What to do instead

Identify the actual material, procedure, geometry, service and verification requirements before accepting the result.

Mistake 4

weld-quality-inspection: Treating a neat visible surface as proof of every hidden requirement.

A single familiar observation is substituted for the complete relevant evidence and actual process constraints.

What to do instead

Separate visual evidence from the actual internal condition, material identity, connections and applicable acceptance checks.

Mistake 5

Manufacturing to a ruler measurement on a rescaled print.

The visible result or familiar label does not establish the actual model, concealed requirement, compatible material or authorized safe method.

What to do instead

Verify the actual written dimensions, revision and scale discrepancy.

Mistake 6

Marking mating parts from inconsistent reference edges.

The visible result or familiar label does not establish the actual model, concealed requirement, compatible material or authorized safe method.

What to do instead

Use the specified common datums and check the actual geometry.

Mistake 7

Signing a concealed-work hold point without the required evidence.

The visible result or familiar label does not establish the actual model, concealed requirement, compatible material or authorized safe method.

What to do instead

Follow the actual verification and escalation process before covering.

Mistake 8

Treating one generic glove or mask as sufficient for every tool and material.

The visible result or familiar label does not establish the actual model, concealed requirement, compatible material or authorized safe method.

What to do instead

Use task-specific hazard assessment, equipment instructions and appropriate competence.