Answer Posted / engr.shahbul
5(fist Digit)-Limited protection against dust ingress.
(no harmful deposit)
5(2nd Digit)-Protected against low pressure water jets from any direction. Limited ingress permitted.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Please explain me about Relay curves and their sources to read ?
What is expention fastener (Fan)
What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)
what is the difference between transformer,converter and transducer
In vapour absorption refrigeration machine fluids used are
Why is the frequency not changed during transformation of electrical energy in a transformer?
what is meant by skew width in machines?
what is the difference between megger and earth resister ??
What is frantic effect?
plz tell me,ht and lt panel terminals in substations explain beiefly
what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?
STATE USE OF ARC RUNNERS & SPLITTERS ?
How halogen & merquery lamp works.
12.5 tons a/c is their how much kva generator can recommend to the customer.
WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING