Test Your EQ
— Issue #155
Each month, Test Your EQ presents
some basic engineering problems for you to test
your Engineering Quotient. What's your EQ?
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Although the technology
has been around for a while, there are still challenges
in the field of temperature sensing as a result of continued
innovations in sensor manufacturing and improvements in
the sensor interfaces. There are two basic classes of
temperature sensors: contact and noncontact. The contact
type can be further divided into electrical and nonelectrical.
The entire classification tree of temperature sensors
is represented in the following table:
Answer the following problems
pertaining to temperature sensors.
Problem
1—Where
are the bimetallic disc-type sensors typically found?
Answer
Problem
2—Which is the most accurate type of electronic
temperature sensor?
Answer
Problem 3—Which is the most sensitive type of
electronic temperature sensor?
Answer
Problem
4— What are some of the commonly available types
of thermocouples?
Answer
Problem
5—What are some of the operational environmental
considerations for the various types of thermocouples?
Answer
Problem
6—What are some of the materials used in the
fabrication of resistance temperature detectors (RTDs)?
Answer
Problem
7— What are tempsistors?
