RVTI Level 1 Certification Flashcards

What is propane when extracted?

What is the device used on a propane tank to reduce pressure called?

What is the boiling point for propane?

What happens to propane when it is heated?

What is it called when an element or compound changes from the liquid phase to a vapor?

What is the most important factor to consider when working with propane systems?

What can propane do when it comes into contact with skin?

Why is it important to wear gloves when using propane?

What should be worn when working with propane?

How should a service valve on a propane tank be closed?

In a shop environment, what should always be worn?

What should always be used when transporting or storing propane containers?

Which service valve is mandatory in the RV industry?

What is required to be part of ASME tanks that was not required before 1983?

Where can the maximum allowable working pressure on an ASME tank be found?

What are the most common securing methods for cylinders?

Purging is necessary for which types of containers?

For purging, you must increase pressure by 15 psi and _____ is the total number of purgings required.

The tare weight of a cylinder is 19 pounds. The propane capacity is 20 pounds. To how many pounds should the cylinder be filled and to what level?

What pressure will the relief valve function at for compressed air and propane?

What can occur if a horizontal cylinder is not stored in its proper position?

Which of the following is NOT an appurtenance?

What do black or green connector knobs on Type 1 OPD service valves indicate?

ASME tanks are usually bolted to what?

On double cylinder assemblies, what should be ensured?

When purging, what should be avoided?

What can failure to purge when necessary cause?

Cylinders should be filled using what method?

When releasing an air/gas mixture of propane, ensure a minimum of _____ feet in every direction between the container and source of ignition.

What does the lockup pressure test verify?

What should be done immediately after conducting the operating pressure test?

Any regulator pressure over _____ inches WC will require the regulator to be replaced.

During a timed pressure drop test, if there is a pressure increase due to thermal expansion _____, and if there is a pressure drop _____

What should be documented for a timed pressure drop test with a test apparatus?

When adjusting a system regulator, the operating test should show a working pressure of about 11 inches, and the lockup pressure should never exceed _____ inches.

The operating test is used to determine the pressure the regulator is giving when at least _____ of the appliance load is functioning.

A regulator must have a rated capacity equal to or greater than the total Btu/Hr input of what?

How long should the timed pressure drop test be conducted for?

What is the most important reason to document tests?

What should be documented for a timed pressure drop test when doing the test at the range?

What does DWV mean?

Why is ABS piping used in the RV industry?

What does an RV water distribution system need?

What might a customer experience if they complain of lukewarm water at one or more hot faucets?

Sealants used when building city water test kits should be for what type of water?

What sealant is most appropriate to use when assembling a city water test kit?

Which step is part of a freshwater system inspection?

When inspecting a freshwater system, what must be ensured?

How long do demand system and air pressure tests last?

NFPA 1192 requires potable water tanks to be _____, _____, and _____ before use.

What is the main purpose of opening the faucets until the water runs clear?

When de-winterizing, what is the purpose of opening the faucet in the coach?

Choose from _____ grades of antifreeze that are suitable for the _____ when winterizing.

During winterization of an entire RV water system, all water is replaced with what?

What does the liquid waste holding tank contain, and what does the body waste holding tank contain?

What can an anti-siphon trap device be substituted for?

When an RV is equipped with a liquid waste holding system, what test should be performed for 15 minutes during a fixture flood test?

When conducting PDI of a waste water system, what should be done before a flood test?

What is the purpose of pouring another cup of antifreeze down the drain at various sinks when winterizing the waste system?

After flushing and cleaning holding tanks during winterization, what should be done?

Sewage wastewater holding tanks can receive discharge from how many RV fixtures?

Which test requires the entire drainage system to be filled until water appears at the bottom of the lowest fixture?

What is checked last during a flow test?

Which statement is true regarding electrons in the outer orbits?

What is a function of insulators?

What is true about the ends of permanent magnets?

If a length of wire carrying a current is bent to form a loop, where do the lines of force leave and enter?

What is the symbol for current flow?

What happens when two points of unequal potential or voltage are connected?

What can be achieved by joining RV batteries in series?

To properly measure current with a VOM, how must the VOM be connected?

Convert 125 milliamps to amperes.

What is the correct setting on a VOM for measuring DC Amperage?

When using a voltmeter to test for voltage in a simple circuit, how should the meter be connected?

Convert 400 millivolts to volts.

What is the basic unit of resistance?

At constant voltage, double the resistance is equal to _____ the current.

In the final calculations of Ohm's Law, current is always expressed in what unit?

When an accident occurs, who must it be reported to?

Which of these is associated with system grounding?

What is the intentional grounding of all metal noncurrent carrying parts of the electrical system called?

An electrical circuit is any combination of a _____ and _____ connected together to permit electrons to travel around in a continuous stream.

Components, devices, and equipment in the RV that utilize low-voltage direct current are often referred to as what?

Receptacles located in which of these places must have GFCI protection?

Batteries connected _____ provide a higher current capacity.

Electrons are _____, and protons are _____.

What is the function of a conductor?

Current is measured in what unit?

Electromotive force is equal to what?

What can a parallel RV battery bank allow a technician to do?

An unknown resistor is connected across a battery. The voltage across it is 12 volts and the current flowing is 4 amperes. What is the resistance of the resistor?

In reference to current, what is the minimum threshold for irreparable damage to body tissues?

In DC currents, what is the direction of current flow?

Wire size is expressed in terms of what?

What are the steps for measuring AC current on an analog or digital meter?

When measuring current on an analog or digital meter, how should the meter capacity relate to the expected amperage?

When testing for an electrical short during the hot skin test, where should one voltmeter probe be placed?

If the skin of the unit is not hot, what will the voltmeter read?

When conducting an AC voltage test, an acceptable reading will be at or near what voltage?

When conducting an AC voltage test, how should the test probes be placed?