chp 12

Question 1

what are the 5 elements that analog sensors can measure

Answer 1

1. temp
2. pressure
3. flow
4. level
5. position

Question 2

what is a RTD

Answer 2

resistor temp. detector, it detect change in resistance

Question 3

what is a thermistors

Answer 3

resistors that detect change in temperature

Question 4

what is a thermocouple

Answer 4

sensors that measure temperature

Question 5

what detects force exerted by one object to another

Answer 5

pressure sensors

Question 6

which pressure sensors measures the amount of deformation of an object.

Answer 6

direct pressure sensor

Question 7

which pressure sensor measures the amount of deflection of an object”

Answer 7

deflection pressure sensor

Question 8

which pressure sensor measures the difference in two measurement

Answer 8

differential pressure sensor

Question 9

which pressure sensor measures deformation/deflection of a crystal or electronic component.”

Answer 9

piezoelectric and solid state sensors

Question 10

what are the two types of flow sensors?

Answer 10

instructive and non-instructive

Question 11

which type of flow sensor disturbs the flow

Answer 11

instructive

Question 12

which type of flow does not disturb the flow

Answer 12

non instructive

Question 13

in relationship to flow, which type of flow is characterized as “smooth flow”

Answer 13

laminar flow

Question 14

in relationship to flow, which type of flow is characterized as “swirl flow”

Answer 14

turbulent flow

Question 15

which sensor measures both linear and rotary potentiometers?

Answer 15

position sensors

Question 16

which type of potentiometer are variable resistors

Answer 16

linear potentiometer

Question 17

which type of potentiometer produces output proportional to the rotational position

Answer 17

rotary potentiometer