Chapter 2 Propane Product Knowledge
Propane vapour is
a) heavier than air
b) lighter than air
c) the same weight as air
d) a gas and cannot be weighed
Propane can be in a liquid or vapour state
depending on pressure and/ or temperature.
True or False
Propane smells like
a) charcoal.
b) rotten eggs or boiling cabbage.
c) smoke.
d) flowers
To check for propane leaks, you should not use:
a) a 50/50 solution of liquid soap and water.
b) commercial leak detection solution.
c) a candle, match or flame.
d) an electronic leak detector
If the temperature of the liquid propane
increases, the pressure inside a propane
tank will:
a) increase.
b) decrease.
c) not change.
As the temperature of the liquid propane
increases, the liquid level inside a propane
tank will:
a) increase
b) decrease
c) not change
d) is not measurable
Propane is transported as a:
a) vapour.
b) liquid.
c) solid.
Odourant is added to propane to:
a) make propane burn cleaner.
b) detect the presence of a gas leak.
c) protect the interior of the storage tank.
d) lubricate valves.
Tank "A" has a liquid volume of 6%. Tank "B" has a liquid volume of 84%. Both tanks have a pressure gauge connected.
a) Tank "B" will have a lower pressure
b) Both tanks will have the same pressure
c) Tank "A" will have a higher pressure
d) Tank "B" will have a higher pressure
What first aid treatment would you apply to
unprotected skin coming into contact with liquid
propane?
a) Rub vigorously.
b) Immerse in cold water.
c) Immerse in lukewarm water.
d) Leave alone.
If accidentally inhaled in small quantities, Propane vapor is
a) non toxic
b) highly toxic
c) will displace oxygen in the bloodstream
d) a & c
Chapter 3 Propane Safety in the Conversion Shop
Liquid propane coming into contact with
unprotected skin will:
a) make skin oily.
b) cause freeze burns.
c) make skin dirty.
To protect your skin from coming into contact
with liquid propane you should:
a) avoid opening lines and fittings containing
liquid propane
b) wear neoprene gloves and long sleeve
clothing when opening lines or spit valves
c) Liquid propane will not hurt you
d) a) and b)
Odourant is added to propane to:
a) make propane burn cleaner.
b) detect the presence of a gas leak.
c) protect the interior of the storage tank.
d) lubricate valves.
A propane-fuelled vehicle
a) may be serviced indoors provided that
there are no leaks in the propane system
b) may be serviced indoors provided the tank
is not filled beyond its maximum permitted
filling density
c) may not be serviced indoors unless the
contents of tank is less than 25% of the
tank's maximum filling capacity
d) both a) and b)
A propane tank on a vehicle that is parked or
being serviced indoors shall not be exposed to
temperatures in excess of 38°C (iOO°F)
True or False
Propane chemical safety information can be found:
a) on the internet
b) in this course
c) on a MSDS sheet
d) all of the above
Chapter 4 Responsibilities of the Installer
The requirements outlined in the CSA B149.5 Installation
Code for Propane Fuel Systems and Tanks on
Highway Vehicles are suggested "best practice"
True or False
A propane-powered vehicle must be identified
with a:
a) provincially recognized decal.
b) specifically coloured filler cap.
c) the driver will let you know.
d) All of the above
The installer must be properly trained
True or False
It is the responsibility of _____________ to perform proper leak testing and to ensure that the tank, components and piping system is gas- tight at the completion of the installation
a) the installer
b) the shop foreman
c) your boss
d) the authority having jurisdiction
Chapter 5 Pre-Conversion Inspection and Vehicle Qualification
Technician A says that all modern cylinder heads on current vehicle engines are good candidates for alternate fuel conversions. Technician B says insists that they should consult the conversion kit supplierfor vehicle specific information before booking in the vehicle. Who is correct?
a) Technician A
b) Technician B
c) both technicians
d) neither technician
e) never listen to technician B. He is an idiot.
Converting an older or higher mileage vehicle may:
a) restore it to like-new condition
b) increase its useable life
c) cause unwanted frustration for the customer and conversion shop
d) save the customer fuel expenses
The combined weight of the vehicle, the tank(s)
and content
a) must exceed a vehicle's gross axle weight
rating
b) must not be greater than a vehicle's gross
axle weight rating
c) is not considered as all tanks and vehicle
load ratios are similar
d) none of the above
All vehicles are good candidates for a propane conversion
True or False
Before beginning the conversion, the installer should
a) inspect the entire vehicle for defects
b) road test the vehicle
c) scan the vehicle for existing DTC's
d) note all defects and have the owner/operator sign off on them
e) all of the above
Chapter 6 Propane Motor Fuel Tanks
The pressure relief valve is installed in a motor
fuel tank to:
a) open, release the excess pressure, and close.
b) control the amount of fuel to the engine.
c) provide vapour for the operation of
appliances.
A tank installed outside of an enclosed space shall be
inspected and re-qualified to CSA
B149.5 code
a) at least once every 10 years
b) at least once every 7 years
c) at least once every 5 years
d) at least once every year
The legal filling limit of a motor fuel tank is:
a) 60%
b) 85%
c) 80%
d) 90%
When using the fixed liquid level gauge to fill a
tank, the correct filling level is when:
a) the tank is full.
b) the pump produces a loud howling sound.
c) a white fog appears at the fixed liquid level
gauge (spit valve).
d) a white fog appears at the PRV
The filler valve on an automobile propane tank
allows liquid propane to:
a) flow into and out of the tank.
b) flow out of the tank only.
c) flow into the tank only.
Proper tank mounting orientation
includes the tank being installed square
and plumb as marked True or False
A Tank Name Plate must include
a) date, tank manufacturer,
b) tank model and serial number
c) none of the above
d) both a) and b)
A stop-fill-valve is a device in a tank that is
intended to automatically shut off the flow of
liquid into the tank when a predetermined
fixed level is achieved.
True or False
A shut-off valve on a tank shall
a) be accessible
b) be approved
c) incorporates an internal excess flow valve
d) all of the above
Which of the following would be cause to reject
a tank?
a) tank is excessively corroded, dented,
and/ or damaged
b) name plate is missing, or illegible
c) tank is not manufactured in Canada
d) both a) and b)
An internal excess flow valve may be integral to
another valve.
True or False
A solenoid liquid service valve must be
a) installed to close when ignition is on
b) installed in the vapour withdrawal opening
of the tank
c) both a) and b)
d) approved
20. Tanks
a) may project beyond the sides of a vehicle
b) may be the lowest component of a vehicle
c) within 8 in (200mm) of vehicle exhaust
system must be shielded
d) both a) and b)
Two or more individual tanks interconnected
will have all the tops of the tanks at the
same horizontal level True or False
Tank minimum clearance
a) may depend on wheel base of the vehicle
b) is measured when the vehicle is loaded to
it's gross vehicle weight
c) both a) and b)
d) none of the above
An installer must reject a tank if
a) field welding is done to the head, and/or
shell
b) field welding is done in areas subjected to
internal pressure
c) welding is not approved by Boiler and
Pressure Vessel Inspection Authority of the
Province/Territory in which it is installed
d) any of the above
Welding of a tank done by the installer
a) shall be made only on saddle plates or
brackets
b) is prohibited
c) shall be in accordance with the CSA 8149
Gas and Propane Code
d) a) and c)
When more than one individual tanks are
interconnected, each liquid withdrawal
line shall be equipped with a back check
valve True or False
A tank that has been installed in an area where
it has been subjected to' corrosion and is being
reinstalled must
a) be cleaned to bare metal, and it's exterior
properly refinished
b) never be re-installed on another vehicle
c) be inspected and re-qualified
d) both a) and c)
The fillet valve on a tank
must be equipped with one double or two
single back check valves with one seat
being other than the metal-to-metal type
True or False
The liquid filler valve has a gasket that provides:
a) a leak proof seal between the filler valve and
filling nozzle.
b) a dust proof seal when the dust cap is in
place.
c) a guide to align the filler valve and filling
nozzle.
d) None of the above.
A shut-off valve must
a) not be used in propane vehicle installations
b) not be installed between a relief valve and
a tank
c) not be installed on propane cylinders
d) not be installed on motor fuel tanks