Which Heat Detector Uses Two Metals, One Which Expands Faster

question 66

Multiple Choice

Which heat detector uses two metals, one which expands faster than the other when heated, to break a circuit and send a signal to the fire alarm control panel?

• A) Bimetallic detector
• B) Ultraviolet detector
• C) Fusible link detector
• D) Continuous line detector

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Definitions:

Instrumentality

In motivation theory, the perceived relationship between performance and the attainment of certain outcomes, meaning one's belief that performing at a certain level will lead to desired rewards.

Valence

The intrinsic attractiveness or aversiveness of an event, object, or situation.

Alderfer's ERG Theory

A motivational theory proposed by Clayton Alderfer that categorizes human needs into three groups: Existence, Relatedness, and Growth, suggesting that more than one need may motivate at the same time.

Motivated

A state of being driven or inspired to achieve something.