114 Final Exam

Question 1

What is the most common material for RTD’s

Answer 1

Platinum

Question 2

What are thermocouples made of?

Answer 2

Two dissimilar metals

Question 3

What are three methods for DP cell level measurement?

Answer 3

A bubbler, wet leg, and dry leg

Question 4

What should an RTD read at 0 degrees C

Answer 4

100 ohms

Question 5

What is the most common electrical signal?

Answer 5

4-20mA

Question 6

What does a multimeter measure?

Answer 6

Voltage, Resistance, and current

Question 7

What does a HART communicator do?

Answer 7

It monitors and configures smart transmitters

Question 8

Where can HART communicators be connected to a smart transmitter?

Answer 8

anywhere in the current loop

Question 9

What does an RTD measure?

Answer 9

Temperature

Question 10

What should be considered when picking a test gauge?

Answer 10

Operating range

Question 11

What makes test gauges different from normal gauges?

Answer 11

Test gauges are calibrated to a higher standard

Question 12

What is used to calibrate low pressure devices?

Answer 12

Manometers

Question 13

What is used to calibrate pressure devices?

Answer 13

Deadweight testers

Question 14

How many points should be tested during calibration?

Answer 14

5

Question 15

What are the two axis labels on a calibration chart?

Answer 15

Tested Device and Calibration Standard

Question 16

What should the chart look like for a properly calibrated gauge?

Answer 16

A 45 degree line

Question 17

How many wires does an RTD have?

Answer 17

3, 2 red and 1 white

Question 18

What does RTD stand for?

Answer 18

Resistive Thermal Device

Question 19

How many wires does a thermocouple have?

Answer 19

2 wires