Which of the Following Improper Operation Can Lead to an Explosion

question 3

Multiple Choice

Which of the following improper operation can lead to an explosion in the firebox?

• A) Loss of fuel gas or oil
• B) Failing to purge firebox
• C) Opening pressured header drains and vents
• D) Poor control of excess air and draft control

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Definitions:

Basic Research

A form of scientific investigation that aims to increase the understanding of fundamental principles, without immediate application to practical problems.

Self-Awareness

The conscious knowledge of one’s own character, feelings, motives, and desires.

Temporal Precedence

A condition in causal research where the cause must occur before the effect can be observed.

Covariation

The measure of how changes in one variable are associated with changes in another variable.