WHAT IS AN INTERLOCK SYSTEM ?? HOW THEY WORKs ?? WHERE IT IS
USED ??? MAINLY ??
Answer Posted / rt langley
Interlock could be to protect equipment or personal. Boiler
loose water flow interlock shuts down boiler to prevent
damage. Flame eye in boiler loose signal interlock shuts off
gas to prevent explosion. Photo eye beam is broken garage
door returns to open position to keep from crushing you.
| Is This Answer Correct ? | 9 Yes | 0 No |
Post New Answer View All Answers
hi i am eswar i want to know the instrumentation interview questations for eil(engineers india ltd) i have applied for engineer post in eil please help in this.my mail id eswar310@gmail.com
A DP transmitter is used to measure the level of an open tank. The drain line of the tank is connected to a control valve, and is configured as, if the level of the tank is 90% the valve should get open 10%. And if the tank level is 10%, the valve should get open 90%. Draw wiring diagram and explain how to configure DP transmitter and control valve using HART communicator. If the span error at output is 1%, what will be the %opening of the control valve at 60% level of the tank?
What is force balance principle? State some of its’ advantages.
How to calibrate Magnetic flow Transmitter in Field
key phaser where is use and work
what would be the minimum flow rate that we can measure on rotameter..?
OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION
Dear Sir/Madam,im going to attend Hpcl written exams on feb 17th in instrumentation stream..can anyone send me the HPCL model papers and pattern of HPCL ....i ve not yet attended anything in HPCL...so i dont know how it comes...so just i need some model test papers and pattern ..pls help me friends...
hello can yoy pls send me previous papers of jindalpower and steel ltd.....'m from instrumentation..... mani1048@gmail.com
why we should maintain neutral earth voltage below 1V while calibration? why cant it be 1.2V or 2V
please send the sample qustion paper for iocl written test ..
Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer
Which types of quections asked in interview for FORMULATION PLANT (PHARMA)
pls provide me syllabus and old question paper of instrumentation engineering for GET(JSPL)
please any body have most important data for study for saudi aramco test of instrument QC thanks email shahnaveedullah@gmail.com