NCCER Quality Control & Process Improvement 2

Question 1

A handyman notices that drywall screws are consistently set too deep, leaving craters. What is the FIRST corrective action?

Accepted Answer

Adjust the screw gun clutch setting

Answer

Adjusting the clutch setting on the screw gun addresses the root cause of over-driving screws.

Question 2

Which quality control practice best prevents rework when installing ceramic tile?

Accepted Answer

Laying out a dry run before setting tile with adhesive

Answer

Dry-fitting tiles before adhesive installation identifies layout problems before they become permanent.

Question 3

What does the term 'punch list' mean in construction quality control?

Accepted Answer

A list of deficiencies to correct before project completion

Answer

A punch list documents outstanding defects or incomplete items that must be addressed before final acceptance.

Question 4

When a client reports that a newly installed faucet drips after the handyman left, the BEST process improvement response is to:

Accepted Answer

Return promptly, diagnose the cause, and document the failure mode

Answer

Returning to diagnose and document the failure creates a feedback loop that prevents similar errors on future jobs.

Question 5

Which measurement tool is essential for verifying that a door frame is plumb during installation?

Accepted Answer

4-foot level or plumb bob

Answer

A level or plumb bob directly measures vertical alignment, which is required to confirm a frame is plumb.

(NCCER) National Center for Construction Education and Research Certified Handyman Practice Test