Filled thermal elements:
a. Always contains a liquid.
b. May be filled with a liquid or gas.
c. Are always filled with mercury.
d. Are always completely filled with a gas.
e. May be used with the bi-metal strips.
Answer: B
Filled thermal elements:
a. Always contains a liquid.
b. May be filled with a liquid or gas.
c. Are always filled with mercury.
d. Are always completely filled with a gas.
e. May be used with the bi-metal strips.
Answer: B