Propane

Question 1

What is ASME and what does it start for?

Answer 1

American society of mechanical engineers. It’s a permanent mounted tank

Question 2

What is a TC Cylinder?

Answer 2

Transport Canada

Question 3

What is vapour flow effected by?

Answer 3

Temp, BTU demand and liquid level in tank

Question 4

How are TC cylinders sized?

Answer 4

By weight of liquid propane when filled to 80%

Question 5

How are ASME tanks sized?

Answer 5

By length and diameter

Question 6

What are things to remember about the regulator?

Answer 6

Reduces high pressure to working pressure
-must be 2 stage
-mounted downstream of tank
-

Question 7

What does the first stage of the regular do?

Answer 7

Reduces pressure to 10 Ibs

Question 8

What does the second stage regulate the pressure too?

Answer 8

11 water Collom

Question 9

What is PSIG

Answer 9

Pounds per square inch gauge

Question 10

What’s the chemical make up of propane?

Answer 10

C3H8

Question 11

How heavy is vapour propane?

Answer 11

1.5 times heavier then air

Question 12

What the boiling point of propane?

Answer 12

-44•F or -42•C

Question 13

What’s the Boiling point of butane?

Answer 13

0•C

Question 14

What’s the boiling point of water?

Answer 14

100•C

Question 15

What’s the combination range for propane?

Answer 15

2.4-9.5%

Question 16

What’s the flash point of propane?

Answer 16

-104•C

Question 17

What is added to propane to make it detectable?

Answer 17

Ethyl Mercapton

Question 18

When can you start smelling propane?

Answer 18

At one fifth of the lowest flammability level. .48%

Question 19

What’s the purpose of the piping system?

Answer 19

To deliver vapour propane to appliances

Question 20

What’s the maximum flame temperature of propane flame?

Answer 20

1979•C

Question 21

What effects the BTU value?

Answer 21

Carbon bonds

Question 22

What effects burn time?

Answer 22

Hydrogen bonds

Question 23

How much does propane expand when it turns into a vapour?

Answer 23

270 times

Question 24

How much does propane expand due to temperature?

Answer 24

1.5% per 10•F

Question 25

Where can you find the BTU demand of an appliance?

Answer 25

On the data sheet

Question 26

How many BTUs are in a gallon of propane?

Answer 26

91,502

Question 27

What’s the rating of a relief valve on a TC cylinder?

Answer 27

375 Psi

Question 28

What’s the rating on the relief valve on an ASME tank?

Answer 28

312.5 PSI

Question 29

What’s the fixed maximum liquid level gauge for?

Answer 29

To determine when the tank is full to 80%