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
What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).
Define cryogenic?
kindly sent some demo question and answer
What is the exact differences between HART,FOUNDATION FIELDBUS,PROFIBUS?
In apron feeder how TPH is calculated?
how works encoder in plc
why direct mounted pressure transmitters is always installed with DBB ( double bleed block) valve in process line or top of the tanks ?
defination of radial vibration?
Why mixer nd grinder Is example of constant torque load not variable torque load ???
how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?
what is wave length were using ?
Which topics are covered in Process Control?
Speedtronic system .
Explain pH, Conductivity.
what is vibration a part of proceess variable? if vibration is a part variables then how we minimize the actual vibration on machine on load,? vision of instrumentation contrl plz ans me IPGDL interview question