CMI Best Practices in Cleaning Procedures 4

Question 1

A custodian notices a 'wet floor' cone was NOT placed after mopping a lobby. What is the BEST immediate action?

Accepted Answer

Stop mopping and place wet floor signs before continuing

Answer

Wet floor warning signs must be placed immediately when mopping begins to alert building occupants of the slip hazard.

Question 2

What is the recommended procedure for cleaning a microwave in a break room?

Accepted Answer

Place a bowl of water inside and run for 2 minutes to loosen debris, then wipe clean

Answer

Steam from heated water loosens food residue inside a microwave without damaging the interior surfaces or leaving chemical residue.

Question 3

When stripping old floor finish from VCT, what neutralizing step is required BEFORE applying new finish?

Accepted Answer

Rinse the floor thoroughly with clean water to neutralize stripper residue

Answer

Residual floor stripper is highly alkaline and must be thoroughly rinsed and neutralized to prevent the new finish from failing to bond properly.

Question 4

Which type of cleaning cloth is MOST recommended for cleaning and disinfecting surfaces in healthcare-adjacent environments?

Accepted Answer

Microfiber cloth used once per surface zone or disposable wipe

Answer

Microfiber used once per zone or disposable wipes eliminate cross-contamination risk and are more effective at trapping pathogens than traditional cloths.

Question 5

A custodian is assigned to clean after a norovirus outbreak in a school cafeteria. Which disinfectant category is required?

Accepted Answer

EPA-registered disinfectant with norovirus efficacy claim on the label

Answer

Only EPA-registered disinfectants that specifically list norovirus (or Feline calicivirus as a surrogate) on their label are proven effective against it.

(CMI) Certified Custodial Technician Practice Test

(CMI) Certified Custodial Technician Practice Test

CMI Best Practices in Cleaning Procedures 4