what is the difference between dross and scale?

1 Answers   Hindalco,

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9 balls are there one of them is of higher wt and remaining all are of same. given is one weighing scale and you can use it two times. How will you find the heavy ball in two trials only.

9 Answers   Reliance, TCS, Whirlpool,

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How does a boat measure speed?

0 Answers  

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please provide me the calculation for the thickness of duplex stainless steel pipeline thickness used in process industry ( Water). The details are given below. Diameter : 3" and 4" Thickness : 3.91mm, SCH40 Operating pressure : 62 bar Operating Temp : 35 degree ASME31.3

0 Answers  

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i am a mechanical engg.8th sem student.i want to know the syllabus and criteria,previous question paper set of section engg(RLY).please send it to my email id.pleaseeeeeeeeeeeeeeeeeeeeeee

0 Answers  

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What is a cotter joint?

0 Answers  

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how airconditioner works

8 Answers   Bhel,

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While normal carburising and nitriding surface treatments increase fatigue strength, excessive treatment may decrease the fatigue strength. Why ?

0 Answers  

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Critical speed of turbine means the natural frequency and resonance frequency are matching and cause for vibration and noise. which is the natural frequency. how it reflect in vibration.

0 Answers  

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14. What different types of Heat treatment processes and why heat treatment is required?

1 Answers   Amul,

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What will happen if oil is mixed with boiler feed water?

3 Answers  

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Why is a condensor used in a rankine cycle?

8 Answers   BARC, Bhavini,

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