114 Final Exam Flashcards Preview

IET > 114 Final Exam > Flashcards

Flashcards in 114 Final Exam Deck (19):
1

What is the most common material for RTD's

Platinum

2

What are thermocouples made of?

Two dissimilar metals

3

What are three methods for DP cell level measurement?

A bubbler, wet leg, and dry leg

4

What should an RTD read at 0 degrees C

100 ohms

5

What is the most common electrical signal?

4-20mA

6

What does a multimeter measure?

Voltage, Resistance, and current

7

What does a HART communicator do?

It monitors and configures smart transmitters

8

Where can HART communicators be connected to a smart transmitter?

anywhere in the current loop

9

What does an RTD measure?

Temperature

10

What should be considered when picking a test gauge?

Operating range

11

What makes test gauges different from normal gauges?

Test gauges are calibrated to a higher standard

12

What is used to calibrate low pressure devices?

Manometers

13

What is used to calibrate pressure devices?

Deadweight testers

14

How many points should be tested during calibration?

5

15

What are the two axis labels on a calibration chart?

Tested Device and Calibration Standard

16

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

A 45 degree line

17

How many wires does an RTD have?

3, 2 red and 1 white

18

What does RTD stand for?

Resistive Thermal Device

19

How many wires does a thermocouple have?

2 wires