Test Insturments

Question 1

Piezo

Answer 1

(Pumpkin head)

High Voltage detector, noncontact voltage detector

Question 2

Meggar

Answer 2

Megohmeter- hi resistance ohmmeter High DC voltage

Question 3

Spot test

Answer 3

60 seconds,verifies integrity of insulation, most common test. (1 meg per/1000v)

Question 4

Dielectric absorption test

Answer 4

10 minutes, verifies absorption characteristics of insulation are in good working order

Question 5

Insulation step voltage test

Answer 5

Creates a electrical stress on internal insulation cracks to reveal aging or damage. Step up voltage

Question 6

Height meter

Answer 6

Measure height of overhead cable’s to ensure correct height

Question 7

Hipot

Answer 7

To ensure that there is no chance of electric shock or damage
*tests for leakage current

Question 8

Contact meter

Answer 8

Voltmeter specifically designed to take measurements on high-voltage cable

Question 9

Noncontact meter

Answer 9

Piezo

Question 10

High-voltage amp meter

Answer 10

Test instrument specifically designed to take current measurements on high-voltage

Question 11

High-voltage phasing tester

Answer 11

Identifies high-voltage phases

Question 12

High voltage test probe for a DMM

Answer 12

Accessory to increase voltage measurements range above the DMM listed range

Question 13

Design test

Answer 13

Test on newly design components and equipment to failure

Question 14

Production test

Answer 14

Test is performed to meet codes and standards to ensure quality control

Question 15

Acceptance test

Answer 15

Immediately after install but before put into service

Question 16

Preventative maintenance test

Answer 16

Periodic testing in recording to detect failures

Question 17

Tachometers

Answer 17

Measure speed of a moving object

Question 18

Tachometer- Contact

Answer 18

Measures rotational speed/direct contact

Question 19

Tachometer-laser

Answer 19

Uses laser light to measure speed of object(confined space)

Question 20

Tachometer-Strobe

Answer 20

Uses flashing light to measure speed

Question 21

Tachometer-Photo

Answer 21

Uses light beams/ counts reflections per minute to measure speed

Question 22

Ground bonding test

Answer 22

Test that verifies ground circuit of electrical device is sufficient size to carry fault

Question 23

Troubleshooting methods-system

Answer 23

Have knowledge of hardware operation software and interfaces in system

Question 24

Troubleshooting methods – equipment

Answer 24

Testing of individual component

Question 25

Troubleshooting methods-board

Answer 25

Testing a printed circuit board

Question 26

Troubleshooting methods – component

Answer 26

Troubleshooting Individual device used on board or module

Question 27

Troubleshooting methods – chip

Answer 27

Integrated circuit that is packaged in insulating polymer case

Question 28

Troubleshooting methods – flowchart

Answer 28

Used to properly perform six step troubleshooting

Question 29

Troubleshooting methods – procedure

Answer 29

Used to perform troubleshooting chart

Question 30

Six steps of troubleshooting

Answer 30

1-System recognition
2-Symptom elaboration
3-hypothesizing probable faulty functions
4-localizing faulty function
5-localizing faulty circuit
6-failure analysis