Answer Posted / k.c.bhattacharjee

6307 zz indicate

bearing nomenclature indicates in such type of bearing is

1.Type Code
2.Series
3.Bore
4. Suffix


6-single row deep groove ball bearing
3-medium series
07-last two digits indicates bore dia which stand by
multiplying by 5 i.e. (07x5)=35.

(but in case last two digits is
00-10mm
01-12mm
02-15mm
03-17mm)

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.....

2323

---

How cooling Tower height selected

2656

---

How is propeller fitted in shaft?

1993

---

How we make bend & diffuser from any pipe (it's equation)& how we mark in pipe....

1898

---

what r the advantages and disadvantages of gas burners and oil one?

1987

---

what is the three phase induction motor? what is difference between motor used in household instruments and induction motor?

2096

---

What are the characteristics of Freon 12?

2417

---

What is higher IMP or BHR

2134

---

respected sir, kindly send me some interview questions , which are asked in trainee marine engg..

2315

---

i want sample question paper for SECTION ENGINEER IN RRB.

4441

---

• Why not 4 phase & 5 phase

2115

---

How much of MSW waste is to feed to produce 1MW ?

1578

---

When repacking a valve the rings of packing should be oriented so that the packing ends are installed ____________.

2311

---

What is the difference between upstream and downstream in a refinery?

1147

---

What do you understand by timed cylinder lubrication ?

1216

---