Answer Posted / md ehtesham uddin
there are three types of permits
1. cold work permit
2.hot work permit
3.general work permit.
| Is This Answer Correct ? | 12 Yes | 4 No |
Post New Answer View All Answers
is there any digitel grevity meter availaible in the market by which we can measure specific gravity of a battery?
How many types of sensor
What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.
what is the difference between -24 : +24 & 0:24 and where it use?
What is the use of temperature compensation?
flow transmeter accuracy 0.075% of full scale & find ucertainty is 0.025 % so what is maximum limit band of uncertainty
how will you check torque value during Factory acceptance Test for control valve/ESD ON/OFF VALE how will you confirm this torque value is being correct, Which document will you be refer.
How to calibrate radar type level transmitter for interface level? Total liquid(liq.1 and liq.2), level both the liq individually? For. Both the liquid levels how the signal will go from transmitter to dcs? How to calibrate. Single radar 9:26:55 AM for 2 different liquids in a tank?
pls give me presant awerness quistion and answer in my emailid.
what is sil (safety integrity level
How vortex sensor used for steam flow measurment can be checked on line i.e without taking out from process line.
Explain the working principle of lvdt?
the 3 most common transmitter protocol being in refinery or qatar gas and aramco.
How the sizing of the analog signal cable is calculate?
how pressurize drum calibrated ?
