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

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I have just joined mechanical engineering this year. I just wanted to know the names of the books which would improve my engineering knowledge and skills. Or isthere any other means to improve it?

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Why you consider yourself suitable for the post

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Metals, in general are of low strength and do not possess required physio-chemical and technological properties for a definite purpose. Alloys are therefore more than metals alone. Discuss the arrangement of atoms and structures of alloys.

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what is the difference between the air preheater & air blower?

4 Answers   Castrol,

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Which pollutant is major greenhouse gas and what is its effect ?

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what is the role of half nut in thread cutting? how can u cut the thread from 8 TPI to 4 TPI?

2 Answers   Bhel,

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Why spheroidising is done for ball in the bearings?

2 Answers   Bhel,

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generally in reaction turbine, only a part of pressure energy is converted into kinetic energy. whaat about balance pressure energy incase of single cylinder steam turbine?

1 Answers  

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What is difference between AHX AND AH when referred to Withdrawal sleeves ?. Can we use AHX withdrawal sleeve with CK bearings ?

1 Answers  

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Give five boiler mounting valves.

1 Answers   ABC Inc, Renault Nissan, RRB, Siemens,

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Which tools are used in fitting shop?

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