Exam Questions with Correct
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1. The device used on a propane tank to reduce pressure is called a - ANSWER
✓ Regulator
2. When performing a propylene glycol level test, you should use which tool -
ANSWER ✓ Refractometer
3. The engine must run for a few minutes for this to work properly. -
ANSWER ✓ Heat and cool modes
4. When performing a propylene glycol concentration level test, if the
percentage is too high, you should add - ANSWER ✓ Deionized water
5. When performing PDI on chassis dash components, check rear and side
view - ANSWER ✓ Mirrors
6. When inspecting roof and ducted air conditioners - ANSWER ✓ Test fan
speed and operate vents
7. When performing PDI on chassis dash components, check - ANSWER ✓
Backup monitor
8. What ultimately determines if the air conditioner is functioning properly? -
ANSWER ✓ Delta temperature
9. As a typical part of PDI, a technician needs to ensure headlights function
when - ANSWER ✓ Dim and bright
10.During the 12-24 hour run test, on an RV fridge, what should the
thermometer read? - ANSWER ✓ 40 to 43°F
,11.Which is a convenience light? - ANSWER ✓ Fog light
12.Two types of furnaces used in RVs are - ANSWER ✓ Forced air and
hydronic
13.What should be warm to be properly checked? - ANSWER ✓ Power
steering fluid
14.When conducting PDI on RV furnaces, set the thermostat to what setting? -
ANSWER ✓ Highest
15.When inspecting the hydraulic fluid level in the reservoir, clean the top of
the Reservoir before removing the cap to - ANSWER ✓ Prevent foreign
material from entering the hydraulic system
16.When conducing PDI on RV furnaces, ensure that air flow is - ANSWER ✓
Warmer than ambient temperature
17.For chassis leveling systems, hydraulic fluid should always be checked when
levelers and/or rooms are - ANSWER ✓ Retracted
18.Water heaters can be tested only after the water tanks have been - ANSWER
✓ Filled
19.When interpreting the year of production, an RV tire has a typical life of -
ANSWER ✓ 5 to 7 years
20.When inspecting ovens, set the oven thermostat to - ANSWER ✓ 300°F
21.When verifying the age of a tire, "1206" in the last grouping indicates the
tire was made in the - ANSWER ✓ 12th week of 2006
22.When performing PDI on a microwave, set a _____ in the appliance -
ANSWER ✓ Container of water
23.When inspecting tires on a towable RV, inspect lug nuts for proper -
ANSWER ✓ Torque
, 24.RV generators can be powered by - ANSWER ✓ Gasoline and propane
25.When verifying the installation of pin box couplers on a fifth wheel hitch,
the hitch should be ______ the frame. - ANSWER ✓ Square with
26.A generator transforms _____ energy into _____ energy. - ANSWER ✓
Mechanical; electrical
27.Inspect the whole underside of the towable coach looking for loose, hanging,
or _______ components. - ANSWER ✓ Damaged
28.Prior to putting a load online, allow a warm-up period of ______ to _____
minutes. - ANSWER ✓ 2; 5
29.Before using stabilizer jacks, be sure that the landing gear on the _____
wheel operates properly. - ANSWER ✓ Fifth
30.Current generators have non-adjustable carburetors that are - ANSWER ✓
EPA-mandated
31.When inspecting stabilizer jacks, ensure they fully extend and - ANSWER ✓
Retract
32.Always check the _____ before starting any generator - ANSWER ✓ Oil
level
33.Where do the trailer brakes get their power when the brake-away switch is
activated? - ANSWER ✓ Coach battery
34.The run test with load on a generator is performed with the generator -
ANSWER ✓ Connected to vehicle circuitry
35.When testing electric brakes, a technician pulls the breakaway cable while
spinning the wheel. If the breakaway is properly functioning, - ANSWER ✓
The wheel should stop spinning