Exam Questions and CORRECT Answers
After backfilling the vapor return and vent lines, the maximum pressure drop through the
system shall not exceed ________at 60 cubic feet per hour as determined by TP-201.4,
Dynamic Backpressure.
a. 0.75 inches WC
b. 0.5 inches WC
c. 0.32 inches WC
d. 0.55 inches WC - CORRECT ANSWER✔✔- c. 0.5 inches WC
CARB's most recent vapor recovery regulations are known as:
a. EVR (enhanced vapor recovery)
b. CVR (California vapor recovery)
c. PVR (protective vapor recovery)
d. ORVR (onboard refueling vapor recovery) - CORRECT ANSWER✔✔- a. EVR (enhanced
vapor recovery)
A valve installed in a motor-vehicle fueling hose designed to separate with little or no product
a. breakaway
b. hose clamp
c. sheer valve
d. flow limiter - CORRECT ANSWER✔✔- a. breakaway
A Gilbarco Vapor VAC/OPW Vapor Saver system is consdered to have a vapor recovery
equipment defect (VRED) if the vapor escape guard on an OPW 12 VW nozzle is missing or
damaged on at least ____ % of the circumference of the device.
a. 25
,b. 50
c. 75
d. 100 - CORRECT ANSWER✔✔- c. 75
The two point Phase I vapor recovery system requires that a separate vapor recovery riser
pipe be installed in the tank and be equipped with a:
a. drop tube
b. locking block valve
c. pressure/vacuum vent
d. vapor recovery adaptor - CORRECT ANSWER✔✔- d. vapor recovery adaptor....
When removing liquid from a sump or spill bucket and the liquid contains fuel, it must be:
a. managed as hazardous waste
b. pumped into a bucket to evaporate
c. scooped or balled onto the concrete pad
d. put it in a sealed container and put into a dump - CORRECT ANSWER✔✔- a. managed as
hazardous waste
One of the approved methods of overfill prevention is to have an overfill device that will
automatically shut off the fill to the tank when the tank is at a maximum of ____ % full.
a. 80
b. 90
c. 95
d. 99 - CORRECT ANSWER✔✔- c. 95
What is the appropriate way to clean up a small spill of gasoline?
a. Allow product to evaporate from the area.
, b. Wash the spilled product from the area with water.
c. Apply absorbent to the affected area to prevent evaporation.
d. Apply absorbent to the affected area, then remove and dispose of absorbent in accordance
with applicable requirements. - CORRECT ANSWER✔✔- d. Apply absorbent to the affected
area, then remove and dispose of absorbent in accordance with applicable requirements.
Which of the following is not an overfill prevention device?
a. ball float
b. spill bucket
c. tank overfill alarm
d. drop tube flapper valve - CORRECT ANSWER✔✔- b. spill bucket
According to PEI RP300, a combustible gas indicator can be used to:
a. determine carbon dioxide levels
b. monitor benzene, toluene, and ethyl benzene levels
c. determine the upper explosive limit of gasoline
d. detect vapor leaks in vapor recovery system - CORRECT ANSWER✔✔- d. detect vapor
leaks in vapor recovery system
The 3 elements collectively referred to as the "Fire Triangle" are:
a. oxygen, fuel, and LEL
b. fuel, fire, and carbon dioxide
c. fuel, oxygen, and ignition source
d. ignition source, carbon dioxide, and fuel - CORRECT ANSWER✔✔- c. fuel, oxygen, and
ignition source
In a coaxial hose for a balance system, the product flows through: