California Custodian Exam Prep 2026 | Verified Questions
& Answers | Pass Guarantee
1. What is the first action to take after a chemical spill occurs?
Leave the area and call for help.
Start cleaning the spill immediately.
Assess the situation and ensure safety.
Notify the principal.
2. If a custodian encounters a chemical spill in a school hallway, what steps
should they take to ensure safety before cleaning?
Wait for someone else to handle the situation.
Begin cleaning the spill without any precautions.
Evacuate the area and inform others of the spill.
Ignore the spill if it seems minor.
3. If a custodian notices a chemical spill in a school hallway, what should be
their immediate course of action?
Follow the proper procedures for handling chemical spills.
Ignore it and continue cleaning.
Report it to the principal and wait for instructions.
Use a mop to clean it up without any precautions.
4. If a custodian accidentally spills a cleaning solution and it splashes into their
eyes, what should they do in the following minutes?
, They should go to the nearest eyewash station and rinse their eyes
for at least 15 minutes.
They should apply a cold compress to their eyes.
They should ignore it and continue working.
They should report the incident and wait for assistance.
5. What item does not belong in a recycling bin?
Glass
dog hair
Plastic bottle.
6. Describe the potential hazards of mixing bleach with ammonia.
Mixing bleach with ammonia increases the effectiveness of
disinfectants.
Mixing bleach with ammonia results in a neutral compound that is safe
for use.
Mixing bleach with ammonia produces toxic chloramine vapors that
can cause respiratory issues.
Mixing bleach with ammonia creates a harmless solution that
enhances cleaning power.
7. What is the first step to take if a cleaning solution accidentally gets into your
eyes?
Use a cloth to wipe your eyes.
Apply a bandage to your eyes.
Call for help and wait.
, Rinse your eyes with water immediately.
8. If you encounter a blood spill in a school hallway, what steps should you take
to ensure safety and proper handling?
Use a regular mop to clean the spill immediately.
Call the janitorial supervisor and wait for instructions.
Wear PPE, cordon off the area, and follow biohazard waste disposal
procedures.
Ignore the spill and continue cleaning other areas.
9. Describe the significance of labeling chemical containers in custodial work.
Labels are used solely for inventory management.
Labels are not important as long as chemicals are stored properly.
Labeling is only necessary for hazardous materials.
Labeling chemical containers is crucial for ensuring safe handling
and preventing accidents.
10. If you notice a chemical spill in the same classroom as the leaking sink, what
should be your immediate course of action?
Ignore the spill and focus on the sink.
Try to clean it up without PPE.
Report the leak and leave the spill unattended.
Follow safety protocols for handling chemical spills.
11. If a custodian notices a chemical spill while also observing a leaky pipe, what
should be their first course of action?
Ignore the spill and focus on the pipe
, Report both issues to the appropriate personnel
Clean the spill without reporting it
Fix the leaky pipe themselves
12. If a custodian discovers food waste in a recycling bin during a routine safety
check, what should they do to address the situation?
Add more recyclable materials to the bin to balance it out.
Report the issue to a supervisor without taking action.
Leave the food waste in the recycling bin to avoid contamination.
Remove the food waste and properly dispose of it in the
designated waste container.
13. Which of the following is the correct order for proper cleaning and
disinfection?
Remove visible dirt, apply disinfectant, allow contact time, rinse, allow
to dry, wash the area with soap or detergent, rinse with clean water,
dry
Wash the area with soap or detergent, remove visible dirt, rinse with
clean water, dry, apply disinfectant, allow contact time, rinse, dry
Remove visible dirt, wash the area with soap or detergent, rinse
with clean water, dry, apply disinfectant, allow contact time, rinse,
dry
Remove visible dirt, wash with soap or detergent, allow proper
contact time, rinse with clean water, dry, apply disinfectant, rinse, dry
14. What should custodians do before using new cleaning equipment?
Read the manufacturer's instructions.
& Answers | Pass Guarantee
1. What is the first action to take after a chemical spill occurs?
Leave the area and call for help.
Start cleaning the spill immediately.
Assess the situation and ensure safety.
Notify the principal.
2. If a custodian encounters a chemical spill in a school hallway, what steps
should they take to ensure safety before cleaning?
Wait for someone else to handle the situation.
Begin cleaning the spill without any precautions.
Evacuate the area and inform others of the spill.
Ignore the spill if it seems minor.
3. If a custodian notices a chemical spill in a school hallway, what should be
their immediate course of action?
Follow the proper procedures for handling chemical spills.
Ignore it and continue cleaning.
Report it to the principal and wait for instructions.
Use a mop to clean it up without any precautions.
4. If a custodian accidentally spills a cleaning solution and it splashes into their
eyes, what should they do in the following minutes?
, They should go to the nearest eyewash station and rinse their eyes
for at least 15 minutes.
They should apply a cold compress to their eyes.
They should ignore it and continue working.
They should report the incident and wait for assistance.
5. What item does not belong in a recycling bin?
Glass
dog hair
Plastic bottle.
6. Describe the potential hazards of mixing bleach with ammonia.
Mixing bleach with ammonia increases the effectiveness of
disinfectants.
Mixing bleach with ammonia results in a neutral compound that is safe
for use.
Mixing bleach with ammonia produces toxic chloramine vapors that
can cause respiratory issues.
Mixing bleach with ammonia creates a harmless solution that
enhances cleaning power.
7. What is the first step to take if a cleaning solution accidentally gets into your
eyes?
Use a cloth to wipe your eyes.
Apply a bandage to your eyes.
Call for help and wait.
, Rinse your eyes with water immediately.
8. If you encounter a blood spill in a school hallway, what steps should you take
to ensure safety and proper handling?
Use a regular mop to clean the spill immediately.
Call the janitorial supervisor and wait for instructions.
Wear PPE, cordon off the area, and follow biohazard waste disposal
procedures.
Ignore the spill and continue cleaning other areas.
9. Describe the significance of labeling chemical containers in custodial work.
Labels are used solely for inventory management.
Labels are not important as long as chemicals are stored properly.
Labeling is only necessary for hazardous materials.
Labeling chemical containers is crucial for ensuring safe handling
and preventing accidents.
10. If you notice a chemical spill in the same classroom as the leaking sink, what
should be your immediate course of action?
Ignore the spill and focus on the sink.
Try to clean it up without PPE.
Report the leak and leave the spill unattended.
Follow safety protocols for handling chemical spills.
11. If a custodian notices a chemical spill while also observing a leaky pipe, what
should be their first course of action?
Ignore the spill and focus on the pipe
, Report both issues to the appropriate personnel
Clean the spill without reporting it
Fix the leaky pipe themselves
12. If a custodian discovers food waste in a recycling bin during a routine safety
check, what should they do to address the situation?
Add more recyclable materials to the bin to balance it out.
Report the issue to a supervisor without taking action.
Leave the food waste in the recycling bin to avoid contamination.
Remove the food waste and properly dispose of it in the
designated waste container.
13. Which of the following is the correct order for proper cleaning and
disinfection?
Remove visible dirt, apply disinfectant, allow contact time, rinse, allow
to dry, wash the area with soap or detergent, rinse with clean water,
dry
Wash the area with soap or detergent, remove visible dirt, rinse with
clean water, dry, apply disinfectant, allow contact time, rinse, dry
Remove visible dirt, wash the area with soap or detergent, rinse
with clean water, dry, apply disinfectant, allow contact time, rinse,
dry
Remove visible dirt, wash with soap or detergent, allow proper
contact time, rinse with clean water, dry, apply disinfectant, rinse, dry
14. What should custodians do before using new cleaning equipment?
Read the manufacturer's instructions.
