TSSA G3 Exam UPDATED Exam Questions and CORRECT Answers
9 views 0 purchase
Course
TSSA G3
Institution
TSSA G3
TSSA G3 Exam UPDATED Exam
Questions and CORRECT Answers
Natural gas and propane are: - CORRECT ANSWER- members of the hydrocarbon family
Natural gas and propane are composed mainly of: - CORRECT ANSWER- carbon and
hydrogen
What is the odorant added to natural gas and propane? - CORRECT ANSWE...
TSSA G3 Exam UPDATED Exam
Questions and CORRECT Answers
Natural gas and propane are: - CORRECT ANSWER- members of the hydrocarbon family
Natural gas and propane are composed mainly of: - CORRECT ANSWER- carbon and
hydrogen
What is the odorant added to natural gas and propane? - CORRECT ANSWER- mercaptan
85% to 95% of natural gas is composed of: - CORRECT ANSWER- methane
Chemical formula for Methane: - CORRECT ANSWER- CH4
Chemical formula for Propane: - CORRECT ANSWER- C3H8
Chemical formula for Oxygen: - CORRECT ANSWER- O2
Chemical formula for Nitrogen: - CORRECT ANSWER- N2
Chemical formula for Water: - CORRECT ANSWER- H2O
Chemical formula for Carbon Dioxide: - CORRECT ANSWER- CO2
Chemical formula for Carbon Monoxide: - CORRECT ANSWER- CO
The approximately percentage of oxygen and nitrogen in air is: - CORRECT ANSWER- 21%
Oxygen and 79% Nitrogen
,The properties concerning natural gas and propane is on what page of the codebook? -
CORRECT ANSWER- 351
(T/F) Propane liquid escaping from a container rapidly drops in temperature - CORRECT
ANSWER- True
What is L.E.L.? - CORRECT ANSWER- The lowest percent of gas in the air-gas mixture that
will support combustion
Odorant is added to natural gas at the: - CORRECT ANSWER- City gate station
The maximum flame temperature from the combustion of natural gas with air is: -
CORRECT ANSWER- 3500 F
The two main hydrocarbons which form natural gas are: - CORRECT ANSWER- methane
and ethane
The boiling point of propane is: - CORRECT ANSWER- -44 F
The boiling point of natural gas is: - CORRECT ANSWER- -260 F
What is the ignition temperature of propane gas compared to natural gas? - CORRECT
ANSWER- Lower for propane
What is the ignition temperature of propane gas? - CORRECT ANSWER- 920 to 1020 F
Is natural gas heavier or lighter than air? - CORRECT ANSWER- lighter
Is propane heavier or lighter than air? - CORRECT ANSWER- heavier
One imperial gallon of propane weighs: - CORRECT ANSWER- 5.1 pounds (2.3 kilograms)
, At 60°F (15,5° C) a pound of propane produces how many cubic feet of gas? - CORRECT
ANSWER- 8.50
Propane shall have a distinctive odour content to ensure it is readily detectable in the
atmosphere down to concentrations of: - CORRECT ANSWER- 20% of the lower explosive
limit.
When one pound of propane burns, it releases approximately: - CORRECT ANSWER-
21,600 Btu
The relative density of liquid propane as compared to water is approximately: - CORRECT
ANSWER- 0.5
Propane is a: - CORRECT ANSWER- hydrocarbon
As the temperature of liquid propane in a tank increases, the vapour pressure of the propane: -
CORRECT ANSWER- increases
One boiler horsepower is approximately: - CORRECT ANSWER- 34.000 Btuh (10 kW)
The "specific gravity of a gas (vapour)" is: - CORRECT ANSWER- the weight of the gas as
compared to the weight of an equal volume of air
Name the three elements required for combustion of any fuel? - CORRECT ANSWER-
Oxygen, Heat, and Fuel.
What would be the easiest to control or eliminate in a
leak situation (before a fire occurs) - CORRECT ANSWER- Shutting off the fuel
The products of perfect combustion of natural gas or propane with oxygen are: - CORRECT
ANSWER- water vapour, carbon dioxide, heat, and light
What air to gas ratio is required for the complete combustion of natural gas? - CORRECT
ANSWER- 10 parts of air to 1 part of gas
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.49. You're not tied to anything after your purchase.
