Ex Flashcards
What is an explosive atmosphere
Gas
Dust
Vapour
What dose M stand for in ex
Encapsulation
What dose encapsulation mean
Parts of the equipment that could give off sparks and heat is sealed to pervert ignition
What dose D mean in regards to EX
FLAMEPROOF
What dose flameproof mean In regards to ex
A box or enclosure that can be classified as explosive proof a ex gland should be used when entering the box
What’s dose E mean in regards to EX
Increased Saftey
What Dose increased safety mean in regards to ex
Provides an impact resistance an enclosure that the contents will not produce a spark, high temp or current leakage
Explosion protection concept
What did I stand for in an ex system
Intrinsically safe
What’s dose intrinsically safe mean
Equipment that is protected by the zener diode. If L and N is touched together it wouldn’t produce a spark
.
What is the maximum temperature that can be installed in a location where dust is present
85°C
What dose D,G,T stand for in ex
Dust
Gas
Temperature
