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RVIA RV Registered Technician Test - FULL Practice Test - (2017 DACUM) – with accurate ans, Exams of Advanced Education

RVIA RV Registered Technician Test - FULL Practice Test - (2017 DACUM) – with accurate answers A+ graded

Typology: Exams

2024/2025

Available from 07/06/2025

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RVIA RV Registered Technician Test - FULL
Practice Test - (2017 DACUM) – with accurate
answers A+ graded
1. (Propane) What is a possible result of propane coming in direct contact
with hands or skin?
A. cracked gloves and frosted hand.
B. allergic reaction to propane oils.
C. frostbite.
D. an EPA hazard.: frostbite
2. What is the amount of space reserved for tank over-pressure from
gas expansion?
A. 50%
B. 10%
C. 20%
D. 80%: 20%
3. A propane tank service valve should only be closed with:
A. Open-end wrenches
B. Socket wrench
C. Adjustable wrench
D. Hands: Hands
4. A technician would use a set of backup wrenches:
A. When a regular wrench breaks.
B. To prevent damage to propane connections.
C. When a odd size is needed.
D. Keep bolts from turning when installing an appliance.: To prevent
damage to propane connections.
5. What would be the minimum distance to an ignition source when
purging a #20 propane cylinder?
A. 10 feet.
B. 5 feet.
C. 50 feet.
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Download RVIA RV Registered Technician Test - FULL Practice Test - (2017 DACUM) – with accurate ans and more Exams Advanced Education in PDF only on Docsity!

RVIA RV Registered Technician Test - FULL

Practice Test - (2017 DACUM) – with accurate

answers A+ graded

  1. (Propane) What is a possible result of propane coming in direct contact with hands or skin? A. cracked gloves and frosted hand. B. allergic reaction to propane oils. C. frostbite. D. an EPA hazard.: frostbite
  2. What is the amount of space reserved for tank over-pressure from gas expansion? A. 50% B. 10% C. 20% D. 80%: 20%
  3. A propane tank service valve should only be closed with: A. Open-end wrenches B. Socket wrench C. Adjustable wrench D. Hands: Hands
  4. A technician would use a set of backup wrenches: A. When a regular wrench breaks. B. To prevent damage to propane connections. C. When a odd size is needed. D. Keep bolts from turning when installing an appliance.: To prevent damage to propane connections.
  5. What would be the minimum distance to an ignition source when purging a #20 propane cylinder? A. 10 feet. B. 5 feet. C. 50 feet.

D. 25 feet.: 25 feet.

  1. (Propane) What are two methods used to prevent overfilling of propane containers? A. Overfill Protection Device (OPD) and regulator. B. Weight and fixed liquid level gauge. C. Pressure relief valve and high pressure pigtail. D. Sight valve and by-pass valve.: Weight and fixed liquid level gauge.
  2. Blowing unburned propane vapor into the atmosphere though an orifice larger than a drill size (orifice) is against fire safety and/or environ- mental codes. (A1i) A. # B. # C. # D. #58: #
  3. What safety equipment and clothing should a technician use and wear while filling or purging a propane container? (A1e) A. Protective eye wear. B. Heavy gloves. C. Protective footwear. D. All of the above.: All of the above.
  4. Which one of the following is not a consideration when transporting propane cylinders? A. Quantity of cylinders. B. Orientation of cylinders. C. Vented location. D. Properly secured.: Quantity of propane cylinders.
  5. What is the boiling point of Propane at sea level? (A2a) A. -22° F (9° C) B. 212° F (100° C) C. -44° F (-42° C) D. -12° F (-24° C): -44° F (-42° C)
  6. (Propane) The weight of propane as compared to the weight of air is? A. 1-1/2 times heavier than air. B. 2 times heavier than air. C. The same weight as air. D. 1/2 the weight of air.: 1-1/2 times heavier than air.
  7. When propane gas is released into the air, it:

recreational vehicle? A. Motorhome. B. Towables / trailers. C. Toy hauler. D. Class C.: Towables / trailers.

  1. An ASME container is more specifically referred to as a. A. Cylinder. B. Housing. C. Tank. D. Vat.: Tank.
  2. (Propane) A common term that refers to both cylinders and tanks is . A. Housing. B. Tower. C. Container. D. Vessel.: Container.
  3. Which of the following would not be considered an "appurtenance?" A. Fixed liquid level gauge. B. Pressure relief valve. C. Excess flow valve. D. Service valve.: Excess flow valve.
  4. What type of tank does not require recertification? A. ASME. B. AGA. C. DOT. D. #20 tank.: ASME.
  5. What information is not found on the protective collar of a DOT cylinder? A. Dip tube length in inches. B. Inspector's initials. C. Propane capacity in pounds. D. Manufacturer of cylinder.: Propane capacity in pounds.
  6. Tare weight is typically not list on a. A. AGA tank. B. ASME tank. C. DOT tank. D. Portable tank.: ASME tank.
  7. (Propane) A DOT tank is required to be recertified by visual

inspection at intervals of years after manufacture and every years thereafter. A. 5 / 5 B. 12 / 3 C. 10 / 3 D. 12 / 5: 12 / 5

  1. On DOT cylinders, water capacity is listed on the protective collar in what measurement? A. Gallons B. Quarts C. Pounds D. Water column.: Pounds.
  2. What is the purpose of a two-stage propane regulator? A. To provide more consistent pressure control. B. To increase the propane pressure to be usable by appliances. C. To have a backup stage in the event the first stage fails. D. To allow more appliances to run from one cylinder.: To provide more consis- tent pressure control.
  3. What would a technician need to do in order to increase the pressure on an LP pressure regulator? A. Connect a vacuum pump. B. Turn the set screw counter-clockwise. C. Turn the service valve counter-clockwise. D. Turn the set screw clockwise.: Turn the set screw clockwise.
  4. A total of tank purging cycles is appropriate to ensure that all contaminants are removed from the propane cylinder. A. 1 B. 3 C. 4 D. 5: 5
  5. (Propane) A 20-pound propane container will hold 20 pounds of propane at full. A. 20% B. 50% C. 80%

D. 0.55: 0.

  1. What is not a proper propane system test to perform? A. Timed pressure drop test. B. Regulator lockup test. C. Ammonia solution leak test. D. System operating pressure test.: Ammonia solution leak test.
  2. What is a primary reason that system pressure could fluctuate during propane system tests? A. Grade of propane gas being used in the system. B. Change in piping temperature. C. Change in level of the unit. D. The material that is used for propane distribution.: Change in piping temper- ature.
  3. (Electrical) Which of the below meters would NOT be contained in a mul- ti-meter? A. Voltmeter. B. Ohmmeter. C. Watt meter. D. Milliamp meter.: Watt meter.
  4. The function of a multi-meter is to. A. test volts & ohms. B. apply variable loads to battery. C. test diode type battery isolators. D. measure specific gravity in electrolytes.: test volts & ohms.
  5. To measure current drawn by an AC motor using a clamp-on ammeter, place the sensor clamp around the. A. ground wire. B. black wire. C. white and black wire. D. black, white and green wires.: black wire.
  6. A continuity test is performed with an. A. ammeter. B. Ohmmeter. C. wire lead. D. circuit tester.: Ohmmeter
  7. To properly test that GFCI protection exists for any receptacle down line of a GFCI protection device, you should.

A. turn off the main breaker. B. unplug the refrigerator. C. use a GFCI fault creation tester. D. push the test button on the breaker.: use a GFCI fault creation tester.

  1. Current supplied by commercial power lines and RV generators is known as. A. Alternating Current. B. Direct Current. C. Electromotive Current. D. Accelerating Current.: Alternating Current.
  2. The nominal voltage that is typically referenced in an AC power system is . A. 480 Volts. B. 12 Volts. C. 120 Volts. D. 24 Volts.: 120 Volts.
  3. The wiring system in the RV that is connected to any DC power source is also commonly called the system. A. Backup. B. High Voltage. C. Low Voltage. D. Open.: Low Voltage
  4. The nominal voltage that is typically referenced in a DC power system is . A. 480 Volts. B. 12 Volts. C. 120 Volts. D. 24 Volts.: 12 Volts.
  5. An open switch will electricity. A. inverse. B. not conduct C. conduct D. decrease: not conduct.
  6. A short circuit is a complete circuit that has. A. a conductor that is less than 3' in total length. B. less than 2 amps.

C. opposition to electrical flow. D. electrical pressure that measures neutrons.: electron flow.

  1. Voltage is. A. electrical pressure that moves electrons. B. electrical flow. C. opposition to electrical flow. D. resistance.: electrical pressure that moves electrons.
  2. In a 120 VAC distribution panel board, the white neutral wire and the bare copper wire should always be. A. bonded to each other. B. grounded. C. isolated from each other. D. twisted and soldered together.: isolated from each other.
  3. A hot skin test is performed to. A. assure the RV user's safety. B. prevent being burned during summer heat. C. ensure the neutral wiring is bonded to the ground. D. assure the RV user's safety.: assure the RV user's safety.
  4. An inverter is used to change. A. 120 VDC to 12 VAC B. 12 VDC to 24 VDC C. 12 VDC to 120 VAC D. 120 VAC to 24 VDC: 12 VDC to 120 VAC
  5. A converter in an RV is used to. A. convert 120 VAC to 12 VDC B. convert amplitude energy to sine wave output. C. convert 12 VDC to 120 VAC D. convert solar energy into stored battery energy.: convert 120 VAC to 12 VDC
  6. Generators typically supply current for RV users. A. DC B. Stored C. Mechanical D. AC: AC
  7. An alternator generates current and is typically found in a. A. AC; Travel Trailer B. DC; Travel Trailer

C. AC; Motorized Coach D. DC; Motorized Coach: DC; Motorized Coach.

  1. In order to create 12 volts of direct current, two 6-volt batteries would need to be connected in. A. Tandem. B. Random. C. Series. D. Parallel.: Series.
  2. Batteries consist of groups of cells that generate electrical energy from a reaction. A. nuclear. B. chemical. C. bonded. D. isopropyl.: chemical.
  3. What type of battery is used in an RV's 12v system? A. Alkaline. B. Lead Acid. C. Nickel Cadmium. D. Dry Cell.: Lead Acid.
  4. The specific gravity of a fully charged lead acid battery is. A. 1. B. 1. C. 1. D. 1.165: 1.
  5. Which type of battery is most often used for the chassis battery? A. Lead Acid Gelled. B. Automotive C. Dry Cell. D. Deep-Cycle.: Automotive.
  6. What is the function of an automatic transfer switch? A. transfers all engine power to the house batteries. B. moves all electrical power from the front of the coach to the rear. C. only used with battery charging devices D. allows only one power source to the vehicle's circuitry at a time.: allows only one power source to the vehicle's circuitry at a time.
  7. An EMS (Energy Management System) when installed in a coach has the duty to.

A. outsource to a professional. B. use a junction box. C. use listed electrical tape. D. both B and C.: both B and C.

  1. If you remove copper (material or strands) when stripping a wire, you should. A. cut it off and start over again. B. call your supervisor. C. use a crimp connector. D. continue your work.: cut it off and start over again.
  2. One of the most noticeable differences in 120V AC vs 12V DC RV wiring is. A. wire size. B. insulation color. C. UL Listed number on wire. D. stranded wire versus solid.: stranded wire versus solid.
  3. As a wire decreases in size, the gauge number. A. increases. B. decreases. C. doubles for each increment increase. D. remains constant.: increases.
  4. The amount of amperage that can be carried by a 12-gauge wire versus a 16-gauge wire is. A. negligible. B. lower. C. equal. D. higher.: higher.
  5. It is important for electrical safety to periodically check the on all power cords used with and within the coach. A. UL Label. B. decals. C. insulation. D. length.: insulation.
  6. What procedure must be used when passing all conductors through bulk- heads and/or partitions? A. Add flame retardant and heat resistant material. B. Use wire ties on all wires of the same ampacity.

C. Employ grommets and cable clamps to prevent chafing. D. Drill extra-large holes.: Employ grommets and cable clamps to prevent chafing.

  1. When making a 120V AC connection to a screw, the wire should be circled around the screw post connection in a direction. A. north B. opposite C. counter-clockwise D. clockwise:
  2. To determine correct wire size, you must calculate the load. A. voltage B. amperage C. over D. switch: amperage.
  3. 1000 feet of 14 gauge wire whose temperature is 70 degrees F has a resistance that is 1000 feet of 10-gauge wire at the same temperature. (B10a) A. same as B. less than C. twice of D. larger than: larger than
  4. What minimum gauge wire should be used for a 30-amp circuit? A. 8 B. 10 C. 12 D. 14: 10
  5. (DC Electrical Systems) It is important for a technician to the power when working on 120 VAC systems. A. Divert. B. Increase C. Analyze. D. Turn off.: Turn off.
  6. Always use tools when working on or near circuits that must be energized. A. Open-ended. B. Threaded. C. Listed.

A. All exterior, kitchen and bath B. AES refrigerator and kitchen. C. Bathroom and bedroom. D. Microwave and lavatory.: All exterior, kitchen and bath

  1. 50-amp service provides. A. one 240-volt line at 50 amps. B. one 120-volt line at 50 amps. C. two lines of 240 volts at 50 amps each. D. two lines of 120 volts at 50 amps each.: two lines of 120 volts at 50 amps each.
  2. 30-amp service provides. A. one 240-volt line at 30 amps. B. one 120-volt line at 30 amps. C. two lines of 120 volts at 30 amps each. D. two lines of 240 volts at 30 amps each.: one 120-volt line at 30 amps.
  3. The "hot leg" wire colors in a 50-amp service are typically . A. Green and red. B. Black and red. C. Black and white. D. Black and green.: Black and red.
  4. What is the primary power system used in RVs? A. 120 VAC B. Alternator. C. Generator. D. 12 VDC .: 12 VDC
  5. What is a common fire hazard that is associated with DC electrical sys- tems? A. Loose connections. B. Overcharging batteries. C. Loose or broken insulation on wiring. D. All of the above.: All of the above.
  6. Four different 12 VDC power sources are. A. Generators, alternators, solar panels, and inverters. B. Alternators, Shore power, converters, and inverters. C. Batteries, converters, solar panels, and alternators. D. Batteries, inverters, generators, and solar panels.: Batteries, converters, solar panels, and alternators.

103.. and gases are produced during nor- mal battery operations. This gas mixture can explode if flames or sparks are brought near the battery. A. Helium and oxygen. B. Argon and propane C. Helium and argon. D. Hydrogen and oxygen.: Hydrogen and oxygen.

  1. When working with acid, such as when filling batteries, splash-proof must be worn. A. Work pants. B. Apron. C. Safety goggles. D. Gloves.: Safety goggles.
  2. The minimum insulation rating of a low-voltage conductor in an RV is . A. 90°C B. 80°C C. 70°C D. 130°C: 90°C
  3. ATC, mini, and maxi are all types of fuses. A. Slow-blow. B. Glass. C. Blade. D. GFCI: Blade
  4. What is the major advantage of a deep-cycle battery? A. The cells are dry. B. It will supply power for a longer period of time. C. It has a much different shape than all other batteries. D. Deep cycle batteries have tectonic plates.: It will supply power for a longer period of time.
  5. A DC circuit breaker, also known as a low-voltage circuit breaker, that is the self-resetting type is known as a. A. Type I B. Type II C. Type III D. None of the above.: Type I.
  6. The DC power system used in RVs is commonly called the

B. City Water Connection. C. Township Water Connection. D. Grey Water Connection.: City Water Connection.

  1. Water distribution lines serve what purpose in an RV? A. Evenly balance the water load from front to rear. B. Evenly balance hot and cold water in the unit's supply lines. C. Transport hot and cold potable water to all plumbing fixtures. D. Transport all grey water from the sink, toiler, and shower drains to the grey tank.: Transport hot and cold potable water to all plumbing fixtures.
  2. The plumbing fixtures in an RV that regulate the flow and mixture of hot and cold water are: A. Drains. B. Pressure regulator. C. Fluid reducer. D. Faucets.: Faucets.
  3. What is a check valve? A. Mechanical device that allows water to flow in only one direction. B. Mechanical device that 'trips' when any contaminants are present in the water flow. C. A two-way mechanical device that maintains a consistent pressure in the water line. D. A valve that reverses direction depending on the source of fresh water coming into the unit.: Mechanical device that allows water to flow in only one direction.
  4. A vacuum breaker is installed to prevent what from happening? A. A complete failure of the water supply system. B. Contamination of the freshwater system by prevention of 'siphoning' water back into the potable water system. C. Contamination of the grey water tanks. D. To avoid overheating of the central vacuum system.: Contamination of the freshwater system by prevention of 'siphoning' water back into the potable water system.
  5. NFPA 1192 requires that a water distribution system have provisions to allow for the entire freshwater system to be completely drained by

gravity. The system in an RV that is installed to accomplish this is: A. ABS drainage system. B. System basement drains. C. Outlet drains. D. Low point drains.: Low point drains.

  1. A primary reason to bypass the water heater when winterizing the coach is: A. To keep some water in the water heater to maintain a 'primed' state. B. The prevent nontoxic antifreeze from damaging the anode rod in the water heater. C. The water heater requires a specialized winterization chemical. D. None of these.: The prevent nontoxic antifreeze from damaging the anode rod in the water heater.
  2. What is an accumulator?: A small ABS or metal storage tank installed in the water distribution system that acts as a pressure reserve vessel that assist to maintain consistent water pressure.
  3. What is the primary function of a water regulator?: Protect the internal components of the water distribution system by reducing city water pressures to a safe level.
  4. How many types of plumbing system tanks are usually found on an RV and what are they?: Three Freshwater storage tank liquid waste holding tank (grey water) solid waste holding tank (black water)
  5. What tank does the RV shower drain connect to?: Grey Water Holding Tank (GWHT).
  6. When dumping wastewater at an appropriate dump station always:: Dump the Blackwater holding tank first, and then the gray water holding tank.
  7. A body waste holding tank that receives the discharge from any toilet is called a .: Black Water Holding Tank (BWHT).
  8. What is the name of the manual mechanism that must be operated in order to dump the black and grey tanks?: termination valve.