301 H&S - Heat-Producing Equipment PP

What is the purpose of a written permit system when using fuel gases?

• To ensure the correct type of fire extinguishers are used

• To specify the precautions to be taken

• To determine the means of escape in case of fire

• To identify the various types of gases used

Which gas turns from liquid to gas at -42ºC?

• Propane

• Butane

• MAPP

• Acetylene

What should be done if a gas cylinder is leaking?

• Close the cylinder valve and remove it to an outdoor location

• Use an open flame to check for leaks

• Continue using the cylinder but label it as 'leaking'

• Call the gas supplier to collect the cylinder immediately

How should oxygen cylinders be stored in relation to cylinders containing acetylene or LPG?

• At least two meters away

• Separated by a wall

• Stacked horizontally

• Stored in the same location

What should be done before igniting the oxy/acetylene torch?

• Purge both acetylene and oxygen lines

• Light the acetylene with a friction-type lighter

• Light the torch with a mixed gas

• Adjust the acetylene flame to the desired velocity

What are the three elements of the fire triangle?

• Fuel, heat, and oxygen

• Fuel, heat, and water

• Fuel, oxygen, and water

• Heat, oxygen, and water

When should firefighting be stopped?

• When the fire becomes too dangerous

• When there is a possibility of escape route being cut off

• When the fire continues to spread and becomes out of control

• All of the above

Which fire extinguishers can be used for Class B fires?

• CO2 extinguisher

• Water extinguisher

• Foam extinguisher

• Dry powder extinguisher

What should be done if a fire is discovered?

• Raise the alarm and evacuate the area

• Close doors and windows to prevent the fire from spreading

• Fight the fire with an extinguisher, fire blanket, water, or sand if you have been trained to do so

• All of the above

What types of gas use a left hand thread for connections?

• Acetylene

• Propane

• Butane

• Oxygen