Gas Knowledge Test and Flashcards

1. Which of the following is a key difference between natural gas and propane? a) Natural gas is heavier than air, while propane is lighter. b) Natural gas has a higher heat value than propane. c) Propane has a lower ignition temperature than natural gas. d) Natural gas has a wider range of flammability than propane.

c

2. What is the primary safety concern associated with propane? a) Its high heat value b) Its low ignition temperature c) Its tendency to rise and disperse quickly d) Its tendency to sink and accumulate in low lying areas

d

3. Which gas requires a higher air-to-fuel ratio for complete combustion? a) Natural gas b) Propane c) Both require the same ratio d) Neither requires air for combustion

b

4. What is the primary purpose of the odorant added to natural gas and propane? a) To improve the flavor of the gas b) To increase the heat value of the gas c) To detect leaks in the gas system d) To reduce the flammability of the gas

c

5.Which of the following is NOT a safety precaution when working with gas appliances? a) Regular inspection for leaks b) Proper ventilation c) Using a lighter to ignite the gas d) Hiring a qualified professional for installation and maintenance

c

6. What is the significance of specific gravity in relation to gas fuels? a) It determines the color of the gas. b) It affects the rate at which the gas flows through pipes. c) It influences the heat value of the gas. d) It determines the odor of the gas.

b

7. What is the role of the air-to-fuel ratio in gas combustion? a) It determines the color of the flame. b) It affects the efficiency of the combustion process. c) It influences the odor of the combustion products. d) It determines the specific gravity of the gas.

b

8. Why is it important to understand the differences between natural gas and propane? a) To determine the best type of gas for cooking. b) To select the appropriate gas for heating a home. c) To ensure safe and efficient operation of gas appliances. d) To choose the most economical gas for fuel.

c

9. What is the primary safety concern associated with natural gas? a) Its tendency to explode b) Its high toxicity c) Its potential to cause asphyxiation d) Its corrosive properties

c

10. What is the best way to prevent gas leaks and accidents? a) Ignoring any unusual odors. b) Using gas appliances frequently. c) Hiring a qualified professional for installation and maintenance. d) Turning off the main gas valve every night.

c

Flashcards: Gas Knowledge