4AE3 U4 C4 Obj 1

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Which of the following is true about a reducing agent?

It continues to burn (correct)

It generates heat

It supplies oxygen

It is a spark or a match

What is the role of an oxidizing agent?

To continue burning

To supply oxygen (correct)

To maintain a high temperature

To generate heat

What can initiate the ignition of fuel?

Wet wood

A reducing agent

An oxidizing agent

Intense heat (correct)

Why is wet wood difficult to burn?

The water in the wood converts to steam and draws heat away from the fire Signup and view all the answers

What happens if wood is too wet?

It does not generate enough heat to sustain the chain reaction Signup and view all the answers

Which of the following is true about combustion?

Combustion involves the oxidation of a fuel Signup and view all the answers

What are the four criteria that must be met for combustion to occur?

Fuel, oxygen, ignition source, and heat Signup and view all the answers

Which of the following is true about reducing agents?

Reducing agents are fuels Signup and view all the answers

What is the role of oxygen in combustion?

Oxygen acts as an oxidizing agent Signup and view all the answers

What happens to the temperature during combustion?

The temperature increases Signup and view all the answers

Which of the following is true about combustion?

Combustion can only occur in the presence of oxygen. Signup and view all the answers

What are the four criteria that must be met for combustion to occur?

Fuel, oxygen, ignition source, and heat Signup and view all the answers

What is the role of an oxidizing agent?

To supply the oxygen for burning Signup and view all the answers

What can initiate the ignition of fuel?

Heat Signup and view all the answers

What is the role of oxygen in combustion?

To supply the oxygen for burning Signup and view all the answers

Which of the following is true about wet wood and combustion?

Wet wood does not generate enough heat to sustain the chain reaction Signup and view all the answers

What is the role of a reducing agent in combustion?

To provide fuel Signup and view all the answers

What is the role of an oxidizing agent in combustion?

To supply oxygen Signup and view all the answers

Which of the following is true about the temperature during combustion?

The temperature increases during combustion Signup and view all the answers

What must the fuel do to sustain a self-sustaining, uninhibited chain reaction?

All of the above Signup and view all the answers

Which of the following is NOT one of the four criteria that must be met for combustion to occur?

The fire must be able to continue burning. Signup and view all the answers

What is the role of a reducing agent in combustion?

To burn in the presence of an oxidizing agent. Signup and view all the answers

What is the role of an oxidizing agent in combustion?

To supply the oxygen for burning. Signup and view all the answers

Which of the following is true about reducing agents?

They contain enough oxygen in the fuel material itself for combustion to occur. Signup and view all the answers

What happens if wood is too wet?

It is difficult to burn. Signup and view all the answers

Which of the following is true about wet wood and combustion?

Wet wood draws heat away from the fire Signup and view all the answers

What happens if wood is too wet?

The fire will go out Signup and view all the answers

What is the main role of an oxidizing agent in combustion?

To supply oxygen Signup and view all the answers

What is the main role of a reducing agent in combustion?

To initiate the ignition of fuel Signup and view all the answers

Which of the following is true about the temperature during combustion?

The temperature increases during combustion Signup and view all the answers

4AE3 U4 C4 Obj 1

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Questions and Answers

Which of the following is true about a reducing agent?

What is the role of an oxidizing agent?

What can initiate the ignition of fuel?

Why is wet wood difficult to burn?

What happens if wood is too wet?

Which of the following is true about combustion?

What are the four criteria that must be met for combustion to occur?

Which of the following is true about reducing agents?

What is the role of oxygen in combustion?

What happens to the temperature during combustion?

Which of the following is true about combustion?

What are the four criteria that must be met for combustion to occur?

What is the role of an oxidizing agent?

What can initiate the ignition of fuel?

What is the role of oxygen in combustion?

Which of the following is true about wet wood and combustion?

What is the role of a reducing agent in combustion?

What is the role of an oxidizing agent in combustion?

Which of the following is true about the temperature during combustion?

What must the fuel do to sustain a self-sustaining, uninhibited chain reaction?

Which of the following is NOT one of the four criteria that must be met for combustion to occur?

What is the role of a reducing agent in combustion?

What is the role of an oxidizing agent in combustion?

Which of the following is true about reducing agents?

What happens if wood is too wet?

Which of the following is true about wet wood and combustion?

What happens if wood is too wet?

What is the main role of an oxidizing agent in combustion?

What is the main role of a reducing agent in combustion?

Which of the following is true about the temperature during combustion?

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