HOW DEFINE THE IP FOR ELECTRICAL EQUIPMENT AND WHAT IS THE
IP OF PANELS USING IN HAZARDOUS AREA ?
Answer Posted / mrudang
ip meaans ingress protection which we are standardf panels
IP 54 is using for panel , IP 54 means it protects through
moisture ,dust and water(not oil)
we are using heater in panel to dry the contacts of
switches and relays
Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
PLEASE SEND THE PREVIOUS YEARS QUESTION PAPERS OF RRB JUNIOR ENGINEER-ELECTRICAL
what is the difference between rectifier and converter and commudator?
In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?
solar inverters was not connected to the nuteral link .this nutwral possible to any other systems
what is harmonics? what are the factors it will depend upon
rajha power sector details
Do you know what is dry-out test in x'mer
How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?
Sir, I have applied for the of Jr.engineer(Electrical & Electronics) & ASST. LOCO PILOT at ALL RRB BOARDS. please send me all RRB Boards solved papers in the year of 2001 tO till date. i requested send me the papers to my id as soon as possible (jet_0991@yahoo.com). (This is very urgent) Thank You,
which pump used in STP
What is the formula for calculating impedance of transformers connected parallel at fault level 50KA?
Usage of flywheel diode in relays
how do u gauge the size of the cable ?for eg. consider a 300 sqmm L.T Cable.How do u determine the size of the cable seeing it pratically?
How to calculate the copper in HT motors if KW, RPM & Voltage is given
HOW WORK HEAT PLATE EXCHANGER