What can happen if a boiler runs out of water?
What will be an ideal response?
If a boiler runs out of water it can explode as a result of steam pressure. A boiler that is extremely low of water can shut down or can implode as violently as if it exploded. Implosion comes from the rapid condensing of steam into water, creating a negative pressure in the boiler.
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What is a material that confines current to the desired paths?
a. Conductor b. Insulator c. Load d. Transformer
The minor axes of the robot are ___________.
A. often compared to the human wrist B. axes 4-6 C. often called pitch, yaw, and roll D. All of these are correct
A(n) ____ question is a question that has only one correct answer.
A. closed B. open-ended C. reference D. primary
Designers must first decide on the group of people for which they are designing. This group is known as the ____ population.
A. standard B. optimal C. target D. reach