SSC JE Mechanical Engineering 2012

Instructions

For the following questions answer them individually

Question 171

The Soldering Iron is heated in a gas flame until

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Question 172

Cupola is best suited for melting

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Question 173

Railway rails are generally made of

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Question 174

In case of slotting machine, cutting action takes place in

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Question 175

In a drill operation

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Question 176

Lathe bed is made of

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Question 177

While using High speed steel tools on lathe, the speed of chuck will be lowest while machinin

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Question 178

When turning Mild steel, if the area of cross-section of the cut remain constant, the cutting force will be minimum if depth of cut is

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Question 179

In which type of welding molten metal is poured for joining the metals?

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Question 180

In a single V-butt welds the angle between edges is kept about

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