Liquid filled

Vapor filled

All answers are correct

Gas filled

The volume thermal expansion  of the liquid

The linear thermal expansion of the liquid

all answers are correct

A bulb and a tube containing a high thermal coefficient expansion substance.

All answers are correct

A metal tube terminated with a spiral Bourdon tube pressure gauge whose scale is in degrees. 

A low  coefficient  thermal expansion bulb with a long metal tube.

Relatively inaccurate 

Not used to give  remote temperature indication.

Slow in response.

All answers are correct

Used  in ON_OFF control 

If two dissimilar metals are joined together along their length, they expand and form an arc  when temperature changes.

The ends of two dissimilar metals are connected to a pointer to indicate temperature.

Two dissimilar metals have different thermal expansion, hence they can flex out or in as temperature changes.

All answers are correct

Liquid in glass thermometer

Pressure spring thermometer

All answers are correct

Bimetallic thermometer

20 m

100 m

50 m

no answer is correct

a high temperature reading

a low temperature reading

Thermocouple

RTD

thermistor