Propane Cylinders Flashcards
What is the primary component of propane?
C3H8
True or False: Propane is classified as a liquefied petroleum gas (LPG).
True
At what pressure does propane typically vaporize?
Approximately 0.5 psi at 32°F (0°C)
Fill in the blank: The vaporization process of propane occurs at temperatures above _____ degrees Fahrenheit.
–44
What is the relationship between temperature and propane pressure?
As temperature increases, propane pressure increases.
What is the pressure of propane at 70°F?
Approximately 30 psi
True or False: Propane can exist in both liquid and vapor states.
True
What is the typical operating pressure for propane appliances?
11 inches of water column (approximately 0.4 psi)
Multiple choice: Which of the following factors does NOT affect propane vapor pressure? A) Temperature B) Altitude C) Color D) Volume
C) Color
What happens to propane pressure when it is stored in a tank?
It increases as the temperature rises.
Fill in the blank: Propane vapor pressure is measured in _____ or _____ units.
psi; inches of water column
What is the vapor pressure of propane at 100°F?
Approximately 45 psi
True or False: Propane vapor is heavier than air.
True
What is the significance of the term ‘psi’?
It stands for pounds per square inch, a unit of pressure.
Fill in the blank: The critical temperature of propane is _____ degrees Fahrenheit.
96.2
What is the effect of altitude on propane vapor pressure?
Higher altitudes decrease vapor pressure.
Multiple choice: At what temperature does propane reach its boiling point? A) 32°F B) -44°F C) 212°F D) 100°F
B) -44°F
What is the purpose of a propane regulator?
To control the pressure of propane delivered to appliances.
True or False: Propane vapor can be used as a fuel for internal combustion engines.
True
What is the typical vaporization rate of propane at room temperature?
Varies based on tank size and environmental conditions.
Fill in the blank: Propane expands _____ times when vaporized from liquid to gas.
270
What is the standard unit of measurement for propane vapor pressure in the USA?
psi (pounds per square inch)
True or False: The vaporization of propane is an endothermic process.
True
What is the primary safety concern associated with propane vapor?
Flammability and explosion risk.
Fill in the blank: The maximum pressure for a propane tank is typically _____ psi.
250
Is propane corrosive to metal
No
Max capacity of propane cylinder
80% of its volume or 42% of its water capacity
What is the primary use of a propane cylinder?
To store and supply propane gas for heating, cooking, and fueling appliances.
True or False: Propane cylinders are typically made of plastic.
False: Propane cylinders are usually made of steel or aluminum.
What is the standard color of a propane cylinder?
Propane cylinders are commonly painted in a distinctive color, often blue or green.
Fill in the blank: Propane cylinders are filled to a maximum of ___% of their capacity.
80%
Which safety feature is commonly found on a propane cylinder?
A pressure relief valve.
What is the typical weight range for a standard residential propane cylinder?
20 to 40 pounds.
Multiple Choice: What is the main hazard associated with propane cylinders? A) Fire B) Water Damage C) Electrical Shock
A) Fire
What type of valve is used to control the flow of propane from a cylinder?
A shutoff valve.
True or False: It is safe to store propane cylinders indoors.
False: Propane cylinders should be stored outdoors in a well-ventilated area.
What should you do if you smell gas near a propane cylinder?
Evacuate the area immediately and contact emergency services.
A relief valve should be where
Must be in direct contact with vapor space of cylinder
