Chapter 109

Question 0

An advantage of an electronic control system is that:
A) the controllers can accept a wide variety of inputs
B) it is inexpensive to operate
C) it is inexpensive to install
D) it is very compact

Answer 0

A) the controller can accept a wide variety of inputs

Question 1

An electronic controller is used to position:
A) a final control element
B) an actuator
C) an electronic instrument
D) a transmitter

Answer 1

B) an actuator

Question 2

Types of metals used to manufacture the wires used in RTDs are:
A) nickel
B) iron
C) platinum
D) all of the above

Answer 2

D) all of the above

Question 3

Electric to pneumatic transducers convert a modulating 2 to 10 V DC signal to a pneumatic signal of \_\_\_ to \_\_\_ kPa
A) 0,90
B) 3,15
C) 12,120
D) 0,125

Answer 3

A) 0,90

Question 4

An electronic pressure sensor consists of a \_\_\_\_ that converts pressure changes into different variables
A) thermistor
B) transmitter
C) thermocouple
D) RTD

Answer 4

B) transmitter