what is zenier barier and what means
zone 1,zone 2,and zone 3
Answer Posted / jayeshsangani1988@gmail.c
zenner barrier is safety barrier for hazards area for current limiter,voltage limiter.
and zone for hazard area classification for duration based.
zone 1- explosive mixture of gas,vapor,is present in continuous
zone 2- explosive mixture of gas,vapor,is like to occur in normal operation
zone 3- explosive mixture of gas,vapor,isn't like to occur,and if occur is vary short time.probability is vary less in year
| Is This Answer Correct ? | 4 Yes | 1 No |
Post New Answer View All Answers
Somebody tell me in what way i need to prepare for csio pgrpe(adv instrum eng)interview?what all the quest can i expect?
what is moisture probe? What are there types? What is there working principle and how they works? guys this is one of technical question I had ask in interview. If you know its answer please let me know. The interviewers were more interested in microwave moisture probe, so if you find its any link please just forward me on my mail id.avinash1200@gmail.com Thanks in advance.
1. what is modbus cable? 2. what kind of communication we are using for the interface of DCS, ESD and Third party cabinets? 3. What is serial communication and peer to peer communication?
what is the electrical operation procedure for switching on 27.6MVA electric furnace.
Differentiate between ultrasonic flowmeter and radar type flow meter
Actual using of tube bender to bend 2 opposite 90 deg at correct measurement center to center of tubing.
I have 0.75mm sq multicore cable (IS type) , can use instead of same type but 1.5 sq mm cable ? Note : The distance is around about 150 meter.
what will the sending unit in the fuel gauge utilizes?
what is actual drum level and compensated drum level?
how to calculate range of level transmitter?
I want to buy a seal kit of a pneumatic power cylinder.But I don't know it's specification.So please help me to know its specification.
what is effect of specific gravity in differential level transmitter , explain formula related with this .
In turbine, what does term CDP, NI, NH, HSSOC, means
can you provide me full detail about instrumentation in ONGC??
hi sir yhis is zahid ali i am preparing for the jspl at oct.4.please send me the recently updated sample paper.