Why are thermostats said to be mechanically operated?

What will be an ideal response?


Thermostats are said to be mechanically operated because the temperature-sensing element moves a set of contacts by a mechanical linkage.

Trades & Technology

You might also like to view...

What will happen in a circuit if the voltage does not change but the resistance in the circuit increases?

What will be an ideal response?

Trades & Technology

Demco Products, a company that manufactures stainless steel control valves, has a fund for equip­ment replacement that contains $500,000. The company plans to spend $85,000 each year on new equipment. (a) Estimate the number of years it will take to reduce the fund to no more than $85,000 at an interest rate of 10% per year. (b) Use the NPER function to determine the exact number of years.

What will be an ideal response?

Trades & Technology

Plants that are at the limits of their hardiness can be killed by extended periods of severely cold weather. How should those species be regarded when the plant selections for a proposed landscape are being made?

a. marginally hardy c. extremely hardy b. marginally weak d. moderately weak

Trades & Technology

Name two types of non-rectangular beam-to-column connections.

What will be an ideal response?

Trades & Technology