BI_10B

Question 1

Do all forces balance sensing devices have a zero adjusting screw and range adjustment screw?

Answer 1

yes ref: p. 158

Question 2

In controlling the flow of a liquid through a pump, can the control valve always be in the same location?

Answer 2

No ref: p. 163

Question 3

Can a control valve be placed in the discharge line of a centrifugal pump?

Answer 3

Yes ref: p. 164

Question 4

Name three types of flow control applications:

Answer 4

‘1. gas 2. steam 3. liquid ref: p. 162-163

Question 5

What service is each type of meter in the above question used for?

Answer 5

‘1. Dry gas or air 2. Air or gas that has moisture content 3. corrosive liquid or gas ref: p. 164

Question 6

Controlling the flow rate of liquid from the discharge of positive - displacement pumps can be achieved in _______ may ways. a) one b) two c) several d) not possible

Answer 6

c) several ref: p. 163

Question 7

Turbine flow metering is another electronic method for measuring and controlling flow. a) true b) false

Answer 7

a) true ref: p. 160

Question 8

The rod from the left cavity is not attached to a baffle and a feedback diaphragm. a) true b) false

Answer 8

b) false ref: p. 158

Question 9

Air output from the instrument can be used to actuate a remote recorder or an air relay for control purposes. a) true b) false

Answer 9

‘a) true ref: p. 159

Question 10

What two things are also used to adjust the set point of flow controllers?

Answer 10

‘1. pressure 2. temperature ref: p. 168