BI_6B

Question 1

Name the two broad types of diaphragm pressure elements: select all that apply (2 pts.)

a) non-metallic or slack diaphragm
b) sensitive
c) stable
d) metallic
e) spiral

Answer 1

a) non-metallic or slack diaphragm
d) metallic ref: p. 88

Question 2

Slack diaphragm elements also are commonly used in?

Answer 2

draft gauges ref: p. 90

Question 3

What three ways can you increase the sensitivity of metallic diaphragm pressure element?

Answer 3

1) corrugating the diaphragm shells 2) forming the shells back to back to form a capsule 3) stacking two or more capsules in one unit ref: p. 88-89

Question 4

What is the basic operating principle of a Pirani gauge and at what pressure range is it used?

Answer 4

What is the basic operating principle of a Pirani gauge and at what pressure range is it used?

Question 5

Name the three elements of a simple pressure regulator.

Answer 5

‘1) measuring element 2) loading element 3) variable area port ref: p.100