written test: 1) periodical and monthly maintenance are called preventive or panned maintenance.
2) Mechanical seal parts and their material. 3)Urea plant main parts and their construction material details.4)Name diagram of the given turbine5) Turbine nomenclature like API name.6)All types of corrosion like Galvanic and oxide with example.7)Parts of gate valve and its usage. diaphragm gate valve usage. etc.....
1-the type of transducer that convert mechanical movement into a voltage
2-pump 2500 psi and 100 MG select it
3-modes of heat transfer
4-the difference bet PSIA and PSIG
5-the function of relief valve and no return valve (check valve )
6-types of bearing general catogires
7-function of bearing
10-define critical speed
11-compression ratio decease volumetric ratio ...........
12-using inter-cooling in multi stage compressors to .......
13-using cascade system in refrigerator function ?
14-define performance and efficiency .
We select 10mm nominal thickness for Elip head of a pressure
vesel. The minimum thickness after forming is 8.2mm. (Shell
thickness is 8mm. The minimum thickness after forming is
satisfied or not with UG-79 (d)(3) in ASME SECTION VIII,