A detection device that is usually electrically operated with a bimetallic strip of two metals that expand at different rates is a(n):

A. carbon monoxide detector.
B. ionization smoke detector
C. photoelectric smoke detector
D. heat detector


Answer: D. heat detector

Trades & Technology

You might also like to view...

Regardless of the type of flow switch used, a single pole double throw micro switch is generally contained.

Answer the following statement true (T) or false (F)

Trades & Technology

Plant structures that develop as a lateral shoot or branch from the base of the plant particularly on monocotyledonous plants is known as an ________ or an ________.

Fill in the blank(s) with the appropriate word(s).

Trades & Technology

Oceans can not sustain enough fish to meet the rising demand

Indicate whether the statement is true or false

Trades & Technology

The use of paired slings that are vertical only does not produce the same tension as when paired slings are

pulling _____. a. sideways b. downwards c. at an angle d. up and down

Trades & Technology