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RVIA RV Registered Technician Test - FULL Practice Test, Exams of Engineering

Navarro CollegeEngineering

RVIA RV Registered Technician RVIA RV Registered Technician Test - FULL Practice Test

Typology: Exams

2024/2025

Available from 06/18/2025

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RVIA RV Registered Technician Test - FULL Practice Test
1 / 20
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.
6. (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.
7. 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)
pf3
pf4
pf5
pf8
pf9
pfa
pfd
pfe
pff
pf12
pf13
pf14

Partial preview of the text

Download RVIA RV Registered Technician Test - FULL Practice Test and more Exams Engineering in PDF only on Docsity!

  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.
  6. (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.
  7. 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:

  1. 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.
  2. 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.
  3. 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)
  4. (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.
  5. When propane gas is released into the air, it: A. Has a slight blueish tint. B. Is greenish in color. C. is invisible. D. is a bio-hazard.: is invisible.
  6. Propane is a product separated out of and in the refining process. A. Unleaded fuel and oil. B. Kerosene and crude oil. C. Natural Gas and crude oil. D. Natural Gas and kerosene.: Natural Gas and crude oil.
  1. (Propane) A common term that refers to both cylinders and tanks is . A. Housing. B. Tower. C. Container. D. Vessel.: Container.
  2. 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.
  3. What type of tank does not require recertification? A. ASME. B. AGA. C. DOT. D. #20 tank.: ASME.
  4. 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.
  5. Tare weight is typically not list on a. A. AGA tank. B. ASME tank. C. DOT tank. D. Portable tank.: ASME tank.
  6. (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
  7. On DOT cylinders, water capacity is listed on the protective collar in what measurement? A. Gallons B. Quarts C. Pounds D. Water column.: Pounds.
  1. 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.
  2. 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.
  3. 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
  4. (Propane) A 20-pound propane container will hold 20 pounds of propane at full. A. 20% B. 50% C. 80% D. 75%: 80%
  5. Purging an LP container ensures it does not contain. A. Contaminated LP gas. B. Water or moisture. C. Air. D. All of the above.: All of the above.
  6. What type of fitting should be used to transfer propane from one cylinder to another? A. ACME B. ASME C. POL Fitting (Full flow). D. Type I: POL Fitting (Full flow).
  7. The purpose of a vapor withdraw tube, also known as a J-Tube is: A. To allow liquid propane enter the service valve. B. To push propane vapor back into the liquid in a cylinder.

C. Watt meter. D. Milliamp meter.: Watt meter.

  1. 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.
  2. 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.
  3. A continuity test is performed with an. A. ammeter. B. Ohmmeter. C. wire lead. D. circuit tester.: Ohmmeter
  4. 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.
  5. 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.
  6. 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.
  7. 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

  1. 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.
  2. An open switch will electricity. A. inverse. B. not conduct C. conduct D. decrease: not conduct.
  3. 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. a grounded wire. D. no resistance.: no resistance.
  4. A common symptom of voltage drop is. A. Fan motors running faster than normal. B. Lights becoming dim. C. A/C blowing colder than normal. D. Backup generator starting up.: Lights becoming dim.
  5. The opposition to the flow of electricity is called. A. inductance. B. amperage. C. resistance. D. reluctance.: resistance.
  6. Which of the following is NOT a reason for grounding: A. Stabilizes the voltage under normal operating conditions. B. Allows more current to run from the pedestal into the RV. C. Provides a low-resistance path for electrical flow. D. Facilitates the operation of overcurrent devices such as fuses, circuit breakers, and relays.: Allows more current to run from the pedestal into the RV.
  7. A condition in an electrical circuit that determines the direction current will flow in that circuit is called.

C. 12 VDC to 120 VAC D. 120 VAC to 24 VDC: 12 VDC to 120 VAC

  1. 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
  2. Generators typically supply current for RV users. A. DC B. Stored C. Mechanical D. AC: AC
  3. 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.
  4. 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.
  5. Batteries consist of groups of cells that generate electrical energy from a reaction. A. nuclear. B. chemical. C. bonded. D. isopropyl.: chemical.
  6. 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.
  7. The specific gravity of a fully charged lead acid battery is. A. 1. B. 1.

C. 1.

D. 1.165: 1.

  1. 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.
  2. 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.
  3. An EMS (Energy Management System) when installed in a coach has the duty to. A. ensure KWHs do not exceed the authorized amount. B. switch off various components in a prearranged pattern when amperage draw exceeds the maximum allowable amount. C. combine AC and DC voltage to fully power all devices at once. D. notify the owner of electrical surges and brownouts.: switch off various components in a prearranged pattern when amperage draw exceeds the maximum allowable amount.
  4. Which one of the following components would be unlikely to be found in an RV Systems Monitor Panel? A. Black tank level. B. Engine oil pressure gauge. C. Gray tank level. D. Coach battery level/voltage.: Engine oil pressure gauge.
  5. A break away switch serves what primary function? A. to immediately turn-off coach batteries in an emergency. B. to apply pressure to the hitch in order to stop trailer sway. C. to apply electric trailer brakes in the event the tow vehicle becomes sepa- rated from the trailer. D. to apply brakes on the tow vehicle in the event of trailer detachment.: to apply electric trailer brakes in the event the tow vehicle becomes separated from the trailer.
  6. Two wires are typically joined together by. A. wire ties.

B. lower. C. equal. D. higher.: higher.

  1. 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.
  2. 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.
  3. 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:
  4. To determine correct wire size, you must calculate the load. A. voltage B. amperage C. over D. switch: amperage.
  5. 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
  6. What minimum gauge wire should be used for a 30-amp circuit? A. 8 B. 10 C. 12 D. 14: 10
  1. (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.
  2. Always use tools when working on or near circuits that must be energized. A. Open-ended. B. Threaded. C. Listed. D. Insulated.: Insulated.
  3. When necessary to probe live circuits, always keep be- hind your back. A. The Texas RV Professor. B. One hand. C. A backup probe. D. A service manual.: One hand.
  4. All metal electrical equipment in the RVs 120 VAC electrical system must always be. A. Unfounded. B. Bonded. C. Connected. D. Grounded.: Grounded.
  5. The RV distribution panelboard must always be bonded to the chassis of the recreational vehicle using. A. #2 aluminum ground conductor. B. #14 gauge copper conductor. C. #8 gauge ground conductor. D. #16 titanium ground conductor.: #8 gauge ground conductor.
  6. A component designed to protect RV users from electrical shock in a wet location is called a. A. grounded umbrella. B. double-fused power bank. C. non-contact switch. D. ground fault circuit interrupter.: ground fault circuit interrupter.
  7. If a GFCI receptacle is properly wired, what condition exists? A. Vehicle grounding for interior lights is not required.

B. Overcharging batteries. C. Loose or broken insulation on wiring. D. All of the above.: All of the above.

  1. 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.
  2. 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.
  3. 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
  4. ATC, mini, and maxi are all types of fuses. A. Slow-blow. B. Glass. C. Blade. D. GFCI: Blade
  5. 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.

  1. 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.
  2. The DC power system used in RVs is commonly called the system. A. Battery system. B. Low-voltage system. C. Solar system. D. Backup system.: Low-voltage system.
  3. wire is never allowed in the DC system of an RV. A. 12 gauge. B. Copper. C. Stranded.. D. Aluminum: Aluminum
  4. A DC circuit breaker has an external reset button. A. Slow-blow. B. Blade. C. Type II D. Type III.: Type III.
  5. What type of tank in the RV holds water for use in cooking, drinking, and showering? A. Grey Water. B. Black Water. C. Clear Water. D. Potable Water.: Potable Water.
  6. What is the purpose of a demand water pump in an RV? A. To pump water out of the RV to prepare for winterization. B. To circulate and pressurize the water within the water supply system, drawing water from the freshwater tank. C. To provide additional pressure when connected to a city water source. D. None of the above.: To circulate and pressurize the water within the water supply system, drawing water from the freshwater tank.

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.

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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)
  6. What tank does the RV shower drain connect to?: Grey Water Holding Tank (GWHT).
  7. When dumping wastewater at an appropriate dump station always:: Dump the Blackwater holding tank first, and then the gray water holding tank.
  8. A body waste holding tank that receives the discharge from any toilet is called a .: Black Water Holding Tank (BWHT).
  9. What is the name of the manual mechanism that must be operated in order to dump the black and grey tanks?: termination valve.
  1. Proper venting in the plumbing system is crucial to proper draining and for the release of gases from the piping system.: methane.
  2. Plumbing helps to prevent water being drawn out of the P-traps through siphoning.: venting.
  3. A check vent, also known as a , is a sec- ondary vent device that is sometimes used downstream of a trap to provide venting.: Anti-Siphon Trap Vent Device (ASTVD).
  4. What publication mandates the installation of Black Water Holding Tanks (BWHT) and Grey Water Holding Tanks (GWHT)?: None. There is no requirement in either NFPA 1192 ro CSA Z240 that mandates the installation of either a black or gray water holding tank(s) on an RV.
  5. What is the primary difference between a primary plumbing vent and a secondary vent?: A primary plumbing vent is vented through the roof of an RV while a secondary vent is an internal vent immediately downstream of a P-trap.
  6. A vent terminates through the roof and allows air in and out of the drainage system; whereas a vent only allows air into the system but does not release any air or gases from the system.: Prima- ry; secondary.
  7. What is the purpose of a P-trap?: Prevent gases and odors from entering the RV through the fixture's drainage lines by creating a water barrier between the downstream piping and the plumbing fixture.
  8. Name four (4) common plumbing fixtures in an RV?: Tubs, showers, sinks, and toilets.
  9. What is the definition of an RV plumbing fixture?: Plumbing devices where water is provided by the distribution system.
  10. A connection port on the outside of your RV that is used to clean the Black Water Holding Tank (BWHT) is called a .: Black tank flush valve.
  11. What is an RV macerator and what advantages does it have?: RV macera- tors are motorized grinders that turn your black tank solids and liquids into a slurry that can drain longer distances through a much smaller sewer hose—even through a common 1" garden hose.
  12. A device used in the black tank dumping process that resembles a house- hold garbage disposal is a .: Macerator.