HCT Cheat Sheet 2026

The 30 highest-yield HCT facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What is the danger of mixing bleach (sodium hypochlorite) with ammonia-based cleaners? → It produces toxic chloramine gas that can cause serious respiratory harm
2. What does a care label showing a circle with the letter 'F' inside indicate? → The item should be dry cleaned using petroleum-based solvents
3. What is the best approach if you're unsure about a client’s special request? → Ask the client for clarification
4. A technician finishes a job 20 minutes early. What is the best use of this time? → Do a final quality walk-through and address any missed areas
5. Which cleaning practice reduces water consumption during a residential cleaning job? → Using spray bottles to apply precise amounts of water instead of open buckets
6. Dilution ratios on cleaning product labels are important because: → Using too much product wastes money and can leave harmful residues or damage surfaces
7. A technician finds an unlocked safe while cleaning. The correct action is to: → Close and leave it exactly as found and report the situation to a supervisor
8. Which maintenance task should be performed on a mop wringer to keep it functioning correctly? → Lubricating moving parts and rinsing after each use
9. A technician accidentally inhales fumes from a strong chemical cleaner. The immediate action should be to: → Move to fresh air immediately and seek medical attention if symptoms persist
10. What is the primary purpose of using color-catching laundry sheets? → To absorb loose dyes and prevent color transfer between items
11. What is the primary reason vacuum cleaner brushrolls should be periodically cleared of hair and fiber? → To prevent motor overheating caused by restricted brushroll rotation
12. Which strategy best helps a house cleaning technician stay on schedule across multiple clients in one day? → Grouping clients by geographic location to reduce travel time
13. When transporting a cleaning cart between floors or rooms, a technician should: → Secure all bottles and keep pathways clear to prevent spills and trips
14. When a deep-cleaning appointment is booked, a technician should plan for approximately how much additional time compared to a regular maintenance clean? → Typically 50–100% more time, depending on the condition of the home
15. Which section of an SDS provides first-aid measures in case of accidental chemical exposure? → Section 4 – First-Aid Measures
16. Why should bleach not be used on wood surfaces? → It can damage the finish
17. What is the main risk of double-booking appointments with insufficient travel time between them? → The technician will be chronically late, eroding client trust and service quality
18. Which time management practice helps a technician handle recurring clients most efficiently? → Maintaining consistent routines and noting any changes from the previous visit
19. What water temperature is generally recommended for washing white cotton bed linens to achieve proper sanitation? → Hot (130°F or higher)
20. Which type of detergent must be used exclusively in high-efficiency (HE) washing machines? → HE-labeled low-sudsing detergent
21. When should a technician tag a piece of cleaning equipment as out of service? → When a defect or safety issue is discovered, before further use
22. Which action should a technician take if a spray bottle nozzle becomes clogged? → Rinse the nozzle with warm water and clear the obstruction
23. When a vacuum cleaner bag is full, the best action is to: → Replace it promptly to restore suction and prevent motor strain
24. What is the correct way to store microfiber cloths after use to prolong their lifespan? → Wash and store flat or folded in a clean, dry area
25. Why is punctuality important in professional house cleaning? → It builds client trust
26. When treating a blood stain on fabric, which type of water should be used immediately? → Cold water
27. What type of personal protective equipment (PPE) should be worn when handling concentrated acids or alkaline degreasers? → Chemical-resistant gloves and eye protection at minimum
28. Why is it important to read Safety Data Sheets (SDS) before using a chemical? → To understand hazards & precautions
29. What is the appropriate product for cleaning stainless steel appliances? → Stainless steel polish
30. A new client has a very large home but has only booked a standard two-hour appointment. What should the technician do before the appointment begins? → Contact the client to clarify scope and agree on realistic expectations before arriving