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WorksheetsRec-101 PDI Final
Total questions: 50
Worksheet time: 25mins
When checking that the RV is equipped with all seatbelts required, ensure that each seating location in the motorhome has a seat belt or is
clearly marked not to be used while the vehicle is moving
in a non-adjustable upright position
labeled with year of manufacture, model, and name or trademark
not able to seat more than one person
When inspecting satellite dishes, verify they are mounted securely and that
it is on top of a wood pole
it is positioned facing the RV
the signal obtained from it is strong
weather caps are in place and in good condition
When performing an interior electrical inspection, verify the _____ volt DC ports have power
12
15
17
20
When in the motor home cockpit, test steering wheel adjustment and check that it is
able to make left and right turns
unlocked when turning the RV
shifted when it is in a slanted position
straight when it is in the straight position
When performing PDI on the entrance and compartment doors, the technician should have keys to fit every lock. This means that _____ set(s) of keys should exist.
1
2
3
4
When inspecting the parking brake, make sure there is no _____ creep.
forward
rear
left-side
right-side
The engine must run for a few minutes for this to work properly.
heat and cool modes
gear shifts
braking system
monitor and alarm
When performing PDI on chassis dash components, check
side view alarm
rear heater
rearview monitor
backup monitor
Which is a convenience light?
fog light
headlight
brake light
turn signal
When inspecting the hydraulic fluid level in the reservoir, clean the top of the reservoir before removing the cap to
help avoid contamination of the top of the reservoir
make it easier to read the information on top of the reservoir
keep the cap in good condition
prevent foreign material from entering the hydraulic system
A generator transforms _____ energy into _____ energy.
radiant; solar
chemical; elastic
mechanical; electrical
thermal; nuclear
Prior to putting a load online, allow a warm-up period of _____ to _____ minutes.
6; 9
10; 14
15; 18
2; 5
Current generators have non-adjustable carburetors that are
not run from a panel
EPA-mandated
never warmed up before applying a load
never within the wattage rating
Always check the _____ before starting any generator
oil level
throttle lever
adjustment screws
stop screw
The run test with load on a generator is performed with the generator
turned off
connected to vehicle circuitry
circuit breakers off
on a level surface
Joining RV batteries in series allows the technician to
keep the same amperage and add voltage
keep the same amperage and voltage
add both voltage and amperage
keep the same voltage and add amperage
Convert 125 milliampsto amperes.
12.5
1.25
.125
.0125
When using a voltmeter to test for voltage in a simple circuit, always connect the meter in ______________with the load.
series
parallel
resistance
relation
What is the basic unit of resistance?
ohm
volt
watt
amp
In the final calculations of Ohm’s Law, current is always expressed in
amperes
microamperes
volts
microvolts
When conducting an AC voltage test, place the test probes into _____ slotted openings of a receptacle.
1
2
3
4
Inverters are rated in
watts
kilowatts
kilowatt-hours
milliwatts
RV batteries contain _____ acid.
sodium
lead
caustic
sulfuric
Identify the necessary electrical safety tests.
120 VAC, Hot Skin, AC Voltage, and GFCI
120VAC, Cold Skin, AC Voltage, and AFCI
140 VAC, Hot Skin, DC Voltage, and GFCI
140 VAC, Cold Skin, DC Voltage, and AFCI
Why do RVs use converters?
replace generators
convert AC to DC
convert DC to AC
increase battery life
According to the following table, approximately how many Btu/hr is a 7.2 US gal (27.252 L) DOT/TC cylinder?
228,750
439,210
658,814
841,818
A 20-lb (9.1 kg) DOT/TC cylinder is 60 % full at -5 o F (-21oC). What is the approximate Btu/hr vaporization rate per hour?
8,500
12,750
18,000
36,000
When an element or compound changes from the liquid phase to a vapor, it is called
boiling
thermal energy
dew point
vaporization
The following graphic is a ______ manometer.
dial
digital
straight
U-tube
In a shop environment, always wear
safety glasses
a respirator
a leather apron
a hard hat
What is the result of a thermocouple that is not performing very well?
eco cannot function
thermostat will malfunction
propane flow will be prevented
propane regulator will not open
The data plate is located
on the top
at the back
in the burner box
in the oven
When performing PDI on microwaves, document the make, model, and
serial number
date purchased
color
manufacturer
The boiler tank in a hydronic heating system is heated in all of the following ways EXCEPT
when the vehicle is running
when shore power is plugged in
through the burner using diesel or propane
through solar power cells
When performing a propylene glycol concentration level test, if the percentage is too high, you should add.
tap water
antifreeze
deionized water
glycol
During a timed pressure drop test, no pressure drop should be detected. If there is a pressure increase due to thermal expansion _____, and if there is a pressure drop _____.
repeat the test…locate and repair leak, and retest
locate and repair leak…and retest…repeat the test
locate and repair leak and repeat test…locate and repair leak
locate and repair leak…locate and repair leak
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.
10
11
13
14
A regulator must have a rated capacity equal to or greater than the total Btu/hr input of
all appliances
the low-pressure hose
the gas/electrical combination appliances
the container source
What is the most important reason to document tests?
protects against lawsuits
helps employee create task history
shows customers employee results
improves relationship with manufacturer
What should be documented for a timed pressure drop test when doing the test at the range?
manometer measurement and duration
recorded pressure at middle of test
temperature of air only
make and manufacturer rating
What does the liquid waste holding tank contain, and what does the body waste holding tank contain?
gray water; solid waste water
black water; gray water
toilet waste; shower waste
body waste; faucet waste
When conducting PDI of a waste water system, conduct a flow test _____ a flood test.
before
after
alongside
without
When winterizing the waste system, what is the purpose of pouring another cup of antifreeze down the drain at the kitchen, lavatory sink, and show/tub drains?
to check if the fresh water tank has antifreeze
to determine if there is air in the water line
to check if the p-traps have antifreeze
to stabilize the lines for movement
Sewage waste water holding tanks can receive discharge from
any number of RV fixtures
one RV fixture only
two RV fixtures only
no less than 5 RV fixtures
What is checked last during a flow test?
leaks
pressure
air flow
temperature
What does DWV mean?
distribution waste valve
distribution water valve
drain, waste, vent
drain, water, ventilate
Why is ABS piping used in the RV industry?
it resists impact in cold temperature
it can be easily identified because of its green color
it holds up during travel conditions
it is cheaper to install
An RV water distribution system needs
a means of providing pressure
off-board water tanks
a source of hard water
at least 5 potable water connections
If a customer complains of lukewarm water at one or more hot faucets,
a bypass valve might be partially open or failed
a check valve might be malfunctioning or broken
there might be a problem with the shutoff valve
the propane supply to the heater is inadequate
What sealant is most appropriate to use when assembling a city water test kit?
thread
acrylic resin
butyl rubber
epoxy
