High- and low-pressure switches generally use a ____, which expands and contracts with a change of pressure.

a. switch
b. spring
c. bellows
d. strip


c. bellows

Trades & Technology

You might also like to view...

Suppose that you are able to save money in the bank and earn interest at the rate of 5% per year. That means that to obtain $100 in 2 years you would have to give up $________ today.

What will be an ideal response?

Trades & Technology

The most precious commodity at installation is ____, so it stands to reason that adequate planning will

aid the process.

a. space c. cooperation b. knowledgeable installers d. time

Trades & Technology

A(n) ____________________ contains LEDs that produce a visual indication of what is occurring at a specific point in a digital circuit.

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

Trades & Technology

USDA is the farmer's department and the Secretary of Agriculture is the farmers' representative

Indicate whether the statement is true or false

Trades & Technology