J10 PPT 3-5

Question 1

Things to look for when inspecting propane cylinder. Name a few

Answer 1

Dents
Bulges
Cuts/Cracks
fire damage
rust/corrosion
pitting

Question 2

Re-qualification must be done by an organization that is registered by ________ ______

Answer 2

Transport Canada

Question 3

Cylinders must be inspected and re-qualified every __ years. It is against the law to ______ an outdated cylinder

Answer 3

10

refill

Question 4

Tank expiration date will be found on the collar in the ______/_______ format

Answer 4

month/year

Question 5

Tanks that have been requalified will
have an __ on the end of the date

Answer 5

E

Question 6

Where to dispose of a propane cylinder?

Answer 6

Visit Canadian Propane Cylinder Disposal Resource list

Question 7

Propane cylinder storage must be __ft from any building opening and __ft from any mechanical air intake

Answer 7

3ft

10ft

Question 8

Is wood acceptable to level propane cylinders?

Answer 8

NO

Question 9

Cylinders may not be installed below grade. True or False?

Answer 9

True

Question 10

Max number of 1lb propane cylinders that may be stored together?

Answer 10

3

Question 11

As ambient temperature increases, vapour pressure _________

Answer 11

increases

Question 12

Not less than ____-______ regulation shall be utilized on all permanent
propane installations.

Answer 12

two-stage

Question 13

Where would each regulator be located for a propane tank serving a residential home?

Answer 13

First stage at propane tank and second stage before entering the home

Question 14

Most regulator freeze up occurs
between __-45°F. Pressure is still high enough to create high flow rates and a substantial _______ _____

Answer 14

35F-45F

pressure drop

Question 15

Gas temperature is reduced whenever pressure is reduced.
Approx. 1F for each ___psig

Answer 15

15psig

Question 16

First stage regulators are what colour?

Answer 16

Red

Question 17

Second-stage regulators are what colour?

Answer 17

Green

Question 18

The second stage regulator of a two-stage propane system has an _________ spring range

Answer 18

adjustable spring range

Question 19

Vent opening on a two-stage regulator application should be pointing where?

Answer 19

downwards

Question 20

Automatic regulating equipment has a ____ that indicates when the selected tank is empty. Valve automatically changes over to the aux cylinder.

Answer 20

flag

Question 21

Neither a float gauge nor a dispensing meter shall be used to determine maximum cylinder filling density. True or False?

Answer 21

True

Question 22

Re-fillable cylinders manufactured after 2008, with a capacity of 40lb or less, shall be equipped with what?

Answer 22

over protection device (OPD)

Question 23

The level of liquid propane in the cylinder has no effect on the vaporization rate.

True
False

Answer 23

False

Question 24

Assuming all of the propane cylinders are ¼ full, which one will have the higher Btu/h vaporization rate?

20 #
40 #
200 #
300#

Answer 24

300#

Question 25

The largest cylinder that is made has a capacity of 1000 lbs. What is the maximum allowable liquid propane capacity? 300 # 420 # 500 # 800#

Answer 25

420#

Question 26

Cylinders have a lower vaporization rate at higher humidity. True False

Answer 26

True

Question 27

When the demand of an appliance is too high for an average size container, what would be a practical solution? Install an excess flow valve Install a propane vapourizer Install multiple smaller appliances Install an auto change over manifold

Answer 27

b

Question 28

What units of measurement are used to rate the fuel consumption of propane-fired stationary engines? Btu/h kW gal/hr gpm

Answer 28

c

Question 29

What will happen to the vapour pressure in a cylinder when the temperature of liquid propane is increased? Not change Increase Decrease Decrease only if the liquid content is 80%

Answer 29

b

Question 30

What surfaces on a propane storage container transfer heat and affect the vaporization rate? The entire wetted surface of the container The entire surface including the top and bottom The entire surface not including the top or bottom Only the surface that directly faces the sun and receives direct radiation

Answer 30

a

Question 31

What is indicated by a white fog or mist emitting from the liquid level gauge? LP-gas is contaminated Cylinder or tank is damaged Liquid level gauge is defective Maximum permitted filling level is reached

Answer 31

d

Question 32

What is the relief valve setting of a propane cylinder? 250 psig 312 psig 375 psig 420 psig

Answer 32

375psig

Question 33

What is the purpose of an excess flow valve? Prevent liquid withdrawal from a tank Prevent the tank from being filled too quickly Prevent the tank from being over pressurized Prevent excessive discharge of vapour or liquid

Answer 33

d

Question 34

What is the purpose of a filler valve on a cylinder? Used to fill a large stationary cylinder Provide a large capacity relief opening Act as a check valve to prevent excess flow Prevent the cylinder or tank from rupturing

Answer 34

a

Question 35

A shut-off valve cannot be installed upstream of a relief valve to allow for the removal of the relief valve for servicing without emptying the contents of the tank. True False

Answer 35

True

Question 36

If a leak occurs in the propane line between the first stage regulator and the second-stage regulator, what is the first action that must be taken? Close the excess flow valve Open the fixed liquid level gauge Shut off the propane container service valve Decrease the pressure setting of the first stage regulator

Answer 36

c

Question 37

If the relief valve on a refillable propane container opens, what is the first action that must be taken? Close the excess flow valve Open the fixed liquid level gauge Shut off the propane container service valve Cool the tank with cold water to decrease the pressure

Answer 37

d

Question 38

When calculating the effective load that an appliance will place on a propane container, which formula should be used? Effective load = Btu/h of input Effective load = input  load factor Effective load = weight of propane  load factor Effective load = gallons of liquid propane  91 500

Answer 38

b