What are two advantages of non-destructive testing
The material tested are not damaged or Destroyed and Most of the equipment
available is very portable
What is liquid Penetrant testing?
is an NDT method used for location surface discontinuities in a non-porous object
What principle e...
glows till light source is removed then dissipates
Black light have 2 important fuctrions what are they
Removing the short wave ultraviolet lights and removing most of the white light that
the lamp produces
what is eyeball florescence?
It is the fluorescing of the liquid of the eye and results in momentary blurred vision
and, of course, a short period of time when it would be impossible to continue with the
inspection
what should be the minimum intensity of black light?
1000 Micro-watt per cm squared
what are some safety features built in the black light?
If the voltage fluctuates from 90-120 volts , the bulb will shut itself off
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