ISRO Scientist or Engineer Mechanical 2012

Instructions

For the following questions answer them individually

Question 51

Draft on pattern for casting is provided for

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Question 52

Welding spatter is

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Question 53

Which of the following statementsis false about annealing? Annealing is done to

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Question 54

The property of corrosion resistance of chromium Stainless Steel is due to

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Question 55

Hot working operation is carried out at

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Question 56

The engineering and true strains for a bar which is doubled in length during tension test are

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Question 57

The purpose of adding wood flour to the moulding sand is to improve

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Question 58

Stretch forming is a process in which

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Question 59

In which type of welding, a pool of molten metal is used?

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Question 60

A mild steel block of width 40mm is being milled using a straight slab cutter 70mm diameter with 30 teeth. If the cutter rotates at 40 rpm, and depth of cut is 2mm, what is the value of maximum uncut chip thickness when the table feed is 20 mm/min?

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