When measured with an ohmmeter, an unfailed overcurrent protection devices will have

If resistance is added to a series circuit, the current flow

Determine the wattage of an AC circuit that draws 15 amps at 120 VAC

Which bulb will use the least amperage?

  A refrigerator is not functioning properly in the electrical mode (no cooling). The resistance of the heating element reveals that it has 20.75 ohms of resis­tance. The data plate indicates that the refrigerator heating element should draw 325 W on 120 VAC. The technician should

The ground and neutral wires from the 120 VAC shoreline power should be attached

If a 50-amp distribution center, when plugged into a 50-amp shore power, what is the voltage between Leg 1 and neutral as measured in the coach distribution panel?

On a motorhome with a 50-amp power supply cord, the total AC amp capacity available to that coach would be

While troubleshooting an intermittent voltage drop on the AC system, a possible cause is

  A technician needs to install a 13,500 BTU/hr air conditioner.  What is the minimum gauge of non-metallic sheathed cable required?

A voltmeter must always be connected

If a 120 VAC circuit breaker will not reset, the technician should

When installing a new circuit breaker, the hot wire (black) should be

A GFCI on a 120 VAC circuit operates by sensing an imbalance of

  An exterior 120 VAC receptacle is on a GFCI protected circuit with multiple outlets.  There is no voltage present at only one of the receptacles in the bathroom.  What is the possible cause?

The connector on a GFCI receptacle that is labeled LOAD is

Which of the following likely contributes to a hot skin condition?

GFCI protection can be provided through specific GFCI receptacles or GFCI

What is the correct method for performing a hot skin test on an RV?

An inverter is used to convert

Before replacing an inverter, the technician should always

For inverter installation, it is important to do all of the following EXCEPT

It is recommended that inverters be installed

When moving a 120 VAC outlet and the wire is short, you should

According to NFPA, where cable connections or clamps are used, the cables need to be secured and supported within 

Which of the following is NOT a protection for non-metallic sheathed cable?

Exterior receptacles are required to 

Exterior receptacles must have

What is the function of an energy management system

Using the diagram of a Pilot Model Water Heater, Letter G represents

In the pilot assembly displayed, Letter D is which part

3.  Excessive sooting at the water heater is NOT caused by

Where is the proper location on a pilot model water heater valve to test the propane pressure?

The function of the ECO is to

When bench testing a thermostat from a DSI water heater using a multimeter, the measurement taken at ambient temperature should indicate

An electric water heater does not heat and 120 volts is measured at the element with zero amp draw.  The problem is likely

An electric water heater fails to operate.  This is usually an indication of

Which of the following is NOT a function of the circuit board on an on-demand water heater?

A propane appliance works fine with the slideout extended but fails to light with the slideout retracted.  The problem is likely

To eliminate a rotten egg odor from a water heater

___________ is a system that depends on the pressure created by the

city, county, or well system in the park or community

The use of city water provides a constant source

of _______ to the RV when it is hooked up.

All plastic piping used in the drainage system must be listed as ____ piping

A _______ pump pressure system uses an electric pump, usually 12 VDC, to move water through the system

When city water is not

connected to the RV, the _______ senses the demand of needed water

Demand pumps usually pressurize to about __________ psi

Non

-_________ storage tanks are by far the most common found in RV’s today

Most tanks will typically have a minimum wall thickness of ___ in.

The water fittings for the RV system are “_____”

The most difficult procedure involving non-pressurized water tank repair is the ----------------of the tank itself

Recreation vehicle air conditioning equipment

removes _____ from the air inside the vehicle

On ____-cylinder installations, turn the cylinder with the open part of the cylinder

guard(s) toward the trailer (travel trailer installation)

1. Propane, as extracted,

1. Propane, as extracted,

The device that is used on a propane tank to reduce

pressure is called a

3. The boiling point for propane is

4. A property of propane is that when heated, it

According to the following table, approximately how many Btu/ hr is a 7.2 US

gal (27.252 L) DOT/TC cylinder?

6. A 20

lb (9.1 kg) DOT/TC cylinder is 60% full at 5 o F ( 21 o C). What is the approximate

Btu / Hr vaporization rate per hour?

7. When an element or compound changes from the liquid phase to a vapor, it is called

8. When working with propane systems, the most important factor to consider is

9. Propane is flammable, can explode with pressure, and is able to

10. It is important to wear gloves when using propane because it can

11. When working with propane, it is important to wear

12. The following graphic is a ______ manometer.

13. To close a service valve on a propane tank, it is best to tighten the valve with

14. In a shop environment, always wear

. The following graphic is a ______ manometer

16. The following graphic is a ______ manometer.

On ____-cylinder installations, turn the cylinder with the open part of the cylinder

guard(s) toward the trailer (travel trailer installation)

______ propane containers before placing them into service.

Listen

to the regulator for a ____or hum. This

sound is indicative of a large leak

The “_______”

noise is simply the sound of the gas flowing

through the regulator orifice into the downstream

pa

rt of the system and driving the regulator

into its lockup condition.

Ensure that cylinder hold-down

brackets

and _____ tank mounting bolts are secure.

If an appliance is rated at 30,000 Btu/hr, then divide the

91,502 by 30,000 to show that the appliance operation time will be approximately _____ hr/gal

Remember, the propane is stored as a

______ in the container

It’s important to remember that the vapor pressure inside a propane container is determined by

the _______ ______ outside the container,

Propane Remains a clear liquid below______ degrees

Propane expands from liquid to vapor ___ times its

liquid volume

Primarily, there are ______ typical sizes of DOT cylinders found in RV applications

DOT cylinders found in RV applications; commonly

referred to as 5-gallon, are also referred to as ____-pound,

As a rule of thumb, when using an RV in cold climates, keep the propane

storage in the container above ____ percent full.

Rise in Volume = ________

If the regulator is located below the floor line, it must be______

Using the diagram of a Pilot Model Water Heater, Letter G represents

In the pilot assembly displayed, Letter D is which part

3.  Excessive sooting at the water heater is NOT caused by

Where is the proper location on a pilot model water heater valve to test the propane pressure?

The function of the ECO is to

When bench testing a thermostat from a DSI water heater using a multimeter, the measurement taken at ambient temperature should indicate

An electric water heater does not heat and 120 volts is measured at the element with zero amp draw.  The problem is likely

An electric water heater fails to operate.  This is usually an indication of

Which of the following is NOT a function of the circuit board on an on-demand water heater?

A propane appliance works fine with the slideout extended but fails to light with the slideout retracted.  The problem is likely

To eliminate a rotten egg odor from a water heater