Test instruments test review

A conductor w an operating voltage of 3000v should have a minimum total resistance of approx __?__ ohms

3 million

An essential part of trouble shooting by knowledge and experience is __?__

Applying info acquired from past malfunctions

The cable pairs in copper communication are twisted at different rates to prevent __?__

Cross talk

Insulation resistance will typically __?__

Decrease

A light meter is a test instrument that measures the quantity of light in lumens or __?__

Foot candles

A __?__ is a test instrument to give a visual representation of voltage fluctuations

Hand held oscilloscope

High voltage test probes shouldn't be used to take measurements in circuits that have __?__

High currents

__?__ grade test instruments are usually the most expensive

Industrial

Megoneters are also known as __?__ testers

Insulation

The manufacturer procedures for trouble shooting are typically __?__ than the plant procedures

More general

__?__ is a test instrument designed to take current measurement on a high voltage cable

Non contact high volt meter

Harmonies are cause by __?__

Non linear loads

__?__ will cause a 3 phase motor to operate above the name plate rating

Phase unbalance

Light is the portion of the electromagnet spectrum that produces __?__ energy

Radiant

Attenuation in a fiber optic cable is produced by __?__ of light at splices/connectors in the cable

Reflection

Which color of light has the shortest wave length?

Violet

A grounding system is designed to provide a __?__ path to ground for fault currents

Low impedance

__?__ lamps produce more light per watt than any other light

Low pressure sodium