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100+ Free Red Seal RV Service Technician Practice Questions

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2026 Statistics

Key Facts: Red Seal RV Service Technician Exam

100

Practice Questions

OpenExamPrep

120

Exam Questions

Red Seal

70%

Passing Score

Red Seal

11 in. w.c.

LP-Gas Appliance Pressure

RV industry standard

~$100-200

Exam Fee (CAD, by province)

Red Seal / provinces

6 blocks

Occupational Standard Areas

RSOS

The Red Seal Recreation Vehicle Service Technician (RVST) is the interprovincial 'Red Seal' certification for technicians who service and repair recreation vehicles. The exam consists of 120 four-option multiple-choice questions built from the Red Seal Occupational Standard, with a 70% passing score, delivered by provincial and territorial apprenticeship authorities (fees ~$100-200 CAD, varying by province). Content spans safety and common skills, chassis/running gear/brakes, LP-gas systems and appliances (CSA Z240/B149), 12V/120V electrical and solar, plumbing/water/waste and HVAC, and body/structure/slide-outs with systematic diagnostics. This free prep includes 100 research-based practice questions with explanations and an AI tutor.

Sample Red Seal RV Service Technician Practice Questions

Try these sample questions to test your Red Seal RV Service Technician exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1When working under a recreation vehicle (RV) that has been raised, what is the correct way to support it before getting underneath?
A.Rely on the hydraulic floor jack alone
B.Place rated jack stands on solid, level ground under the frame and lower the unit onto them
C.Use the RV's own levelling jacks as the sole support
D.Block only the wheels and leave the jack pressurized
Explanation: A hydraulic jack is a lifting device only and can bleed down or fail. The unit must be lowered onto rated jack stands set on solid, level ground under structural frame members before anyone works underneath. This is a core occupational health and safety requirement.
2Which document is the basis for the Red Seal examination for the Recreation Vehicle Service Technician trade?
A.The manufacturer's owner manual
B.The Red Seal Occupational Standard (RSOS) for the trade
C.The Canadian Electrical Code
D.The provincial building code
Explanation: The Red Seal Occupational Standard (RSOS) is the national description of the trade's activities and is the document the interprovincial Red Seal exam is built from. Exam questions are weighted to the major work activities and tasks defined in the RSOS.
3A Safety Data Sheet (SDS) supplied with a sealant must be available in the workplace under WHMIS 2015. How many sections does a standardized SDS contain?
A.8 sections
B.12 sections
C.16 sections
D.20 sections
Explanation: WHMIS 2015 aligned Canada with the Globally Harmonized System (GHS), under which every Safety Data Sheet has a standardized 16-section format. Sections 1-8 cover identification and handling, while sections 9-16 cover technical and regulatory data.
4Why must an RV with an absorption refrigerator be parked reasonably level when operating on LP-gas?
A.To keep the compressor oil from foaming
B.To allow the ammonia-hydrogen solution to circulate properly by gravity in the cooling unit
C.To prevent the door seal from leaking
D.To stop the burner from sooting
Explanation: An absorption refrigerator has no compressor; it relies on gravity to circulate the ammonia, water, and hydrogen working fluid through the cooling coils. Operating it badly off-level pools the solution, blocks circulation, and can permanently damage the cooling unit (crystallization).
5Which personal protective equipment is most important when cleaning the flue and boiler tubes of an absorption refrigerator that may contain combustion soot and dust?
A.Hearing protection
B.A respirator/dust mask and eye protection
C.Steel-toed boots only
D.Cut-resistant gloves only
Explanation: Flue and chimney cleaning releases fine combustion soot and particulate that should not be inhaled or get in the eyes, so a dust mask/respirator and safety glasses are the priority PPE. Other PPE may be worn, but airborne particulate is the key hazard for this task.
6A technician must lift a 25 kg awning rail onto a workbench. What is the correct manual-lifting technique?
A.Bend at the waist with straight knees and twist to place the load
B.Keep the load close, bend the knees, keep the back straight, and lift with the legs
C.Lift quickly to minimize strain time
D.Hold the load at arm's length to keep it away from the body
Explanation: Safe manual handling keeps the load close to the body, uses a squat with the back kept straight, and lifts with the powerful leg muscles rather than the spine. Avoiding twisting under load protects the lower back from injury.
7Before performing any service that involves disconnecting LP-gas lines inside an RV, what is the first safety action a technician should take?
A.Turn on all 120 V appliances to test them
B.Close the LP-gas cylinder service valve and ensure no ignition sources are present
C.Open all the windows and start the furnace
D.Disconnect the house battery only
Explanation: LP-gas (propane) is heavier than air and highly flammable, so the cylinder service valve must be closed and all ignition sources (pilots, flames, sparks, smoking) eliminated before opening any gas line. Adequate ventilation is also provided to clear any escaped gas.
8Which fire extinguisher class rating is appropriate for an LP-gas (flammable gas) and grease fire commonly encountered in RV service and galleys?
A.Class A only
B.Class B (and BC/ABC multipurpose)
C.Class D
D.Class K only
Explanation: Class B extinguishers are rated for flammable liquids and gases such as propane and cooking grease; ABC/BC multipurpose dry-chemical units cover these. RVs are typically equipped with an ABC unit so it also covers ordinary combustibles (A) and electrical fires (C).
9What does the term 'lock-out/tag-out' require when servicing the 120 V AC system of an RV connected to shore power?
A.Tagging the unit but leaving it plugged in for testing
B.Disconnecting the shore power cord and applying a lock/tag so it cannot be reconnected during service
C.Switching only the inverter off
D.Removing the converter fuse only
Explanation: Lock-out/tag-out isolates the hazardous energy source and prevents accidental re-energization. For the RV 120 V system the shore cord is unplugged (and any generator/inverter source disabled), then a lock and tag are applied so no one restores power while a technician is exposed.
10A leak-detection check on an LP-gas fitting should be performed using which method?
A.An open flame held near the joint
B.An approved leak-detection solution or electronic gas detector applied to the joint
C.Sniffing for the odorant by mouth at the joint
D.Spraying the joint with a flammable solvent
Explanation: Gas-tightness is verified with an approved non-corrosive leak-detection solution (bubble test) or a calibrated electronic combustible-gas detector. An open flame is never used to find a gas leak because it can ignite the escaping gas.

About the Red Seal RV Service Technician Exam

The Red Seal Recreation Vehicle Service Technician (RVST) interprovincial exam certifies technicians who diagnose, service, and repair recreation vehicles. It has 120 four-option multiple-choice questions built from the Red Seal Occupational Standard, requires 70% to pass, and is delivered by your provincial or territorial apprenticeship office.

Assessment

120 four-option multiple-choice questions covering safety, chassis/running gear/brakes, LP-gas systems and appliances, 12V/120V electrical and solar, plumbing/water/waste and HVAC, and body/structure/slide-outs; 70% required to pass. This practice bank is 100 selected-response items.

Time Limit

Up to 4 hours (varies by province)

Passing Score

70%

Exam Fee

~$100-200 CAD, varies by province/territory (Ontario ~$150 + HST) (Employment and Social Development Canada / Red Seal Program, delivered by provincial and territorial apprenticeship authorities)

Red Seal RV Service Technician Exam Content Outline

10%

Safety & Common Occupational Skills

Shop, LP-gas, and electrical safety, WHMIS/SDS, PPE, lifting and support, fire safety, leak detection, tools, and the Red Seal Occupational Standard

16%

Chassis, Running Gear & Brakes

Weight ratings and tongue weight, electric brakes and controllers, breakaway systems, wheel bearings, axles/suspension, tires, hitches, sway control, and levelling jacks

20%

LP-Gas Systems & Appliances

CSA Z240/B149 codes, propane properties and detectors, regulators and 11 in. w.c. delivery, cylinders/OPD, leak/pressure testing, furnaces, water heaters, and absorption refrigerators

20%

Electrical (12V/120V) & Solar

Converters, inverters, batteries, Ohm's law, GFCI, 30/50 A shore power, transfer switches, solar and MPPT/PWM controllers, EMS/surge protection, and circuit diagnostics

18%

Plumbing, Water/Waste & HVAC

Fresh/grey/black tanks, PEX and fixtures, pressure regulators and pumps, winterizing and sanitizing, venting and backflow prevention, rooftop A/C, heat pumps, and forced-air furnaces

16%

Body, Structure, Slide-Outs & Diagnostics

Laminated walls, roof membranes and sealants, water intrusion and delamination, slide-out mechanisms and seals, awnings, windows/doors, moisture metering, and troubleshooting

How to Pass the Red Seal RV Service Technician Exam

What You Need to Know

  • Passing score: 70%
  • Assessment: 120 four-option multiple-choice questions covering safety, chassis/running gear/brakes, LP-gas systems and appliances, 12V/120V electrical and solar, plumbing/water/waste and HVAC, and body/structure/slide-outs; 70% required to pass. This practice bank is 100 selected-response items.
  • Time limit: Up to 4 hours (varies by province)
  • Exam fee: ~$100-200 CAD, varies by province/territory (Ontario ~$150 + HST)

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

Red Seal RV Service Technician Study Tips from Top Performers

1Weight your study toward LP-gas and electrical/solar — together they are about 40% of the exam and carry the most safety-critical content
2Memorize key LP-gas specs: 11 inches of water column appliance pressure, two-stage regulation, OPD ~80% fill, and the bubble/manometer leak-test method
3Know the three holding tanks (fresh/grey/black), the dump order (black then grey), winterizing, and backflow prevention cold
4Understand converter vs inverter vs charge controller, 30 A vs 50 A shore service, GFCI, and series/parallel battery wiring with Ohm's law
5Practice systematic diagnostics: verify the complaint, check the basics (voltage, supply, connections) with a meter and wiring diagram before replacing parts
6Complete all 100 practice questions and review every miss with the AI tutor before writing the exam

Frequently Asked Questions

How many questions are on the Red Seal RV Service Technician exam and how long is it?

The interprovincial Red Seal Recreation Vehicle Service Technician exam has 120 four-option multiple-choice questions. You are typically allowed up to four hours (this varies by province), and you need 70% to pass.

What score do I need to pass the Red Seal RV technician exam?

You need 70% to pass, the standard passing mark for all Red Seal interprovincial exams. Because the exam spans LP-gas, electrical, plumbing, HVAC, chassis, and structure, balanced preparation across every block is essential.

How much does the Red Seal RV Service Technician exam cost?

The exam fee is set by your province or territory and generally ranges from about $100 to $200 CAD; for example, Ontario charges roughly $150 plus HST. Your apprenticeship office confirms the exact fee when you register.

What topics does the RV technician Red Seal exam cover?

It covers safety and common skills, chassis/running gear/brakes, LP-gas systems and appliances (CSA Z240/B149), 12V/120V electrical and solar, plumbing/water/waste and HVAC, and body/structure/slide-outs with diagnostics, all built from the Red Seal Occupational Standard.

Who is eligible to write the Red Seal RV Service Technician exam?

Candidates complete a recognized RV service technician apprenticeship or accumulate the required trade-qualifier work hours, then receive provincial approval to write the interprovincial exam. Passing earns the provincial Certificate of Qualification with the Red Seal endorsement.

Is this free Red Seal RV technician practice as good as paid prep?

Our 100 practice questions are mapped to the Red Seal Occupational Standard blocks, with a teaching explanation for every answer plus free daily AI tutor help. All content is free forever and updated for 2026.