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Machining of Titanium is difficult due to

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The main alloing elements in high speed steel in order of increasing proportion are

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Addition of which of the following improves machining of Copper?

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Which of the following given the correct order of increasing hot hardness of cutting tool materials?

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The process - governing equation in arc welding is given by

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In case of TIG welding of aluminium alloys

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In gas welding process, neutral flame is the most common flame used for

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In resistance welding of

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Low-carbon steel has high weldability and is

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Consider the following statements in respect of the oxidizing flame due to excess of oxygen in welding:

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In liquid-state welding process, the zones formed are

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The proportion of acetylene and oxygen used in gas welding is

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The length of the oxidizing flame is smallest compared to

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Non consumable electrodes, used in arc welding are made of

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The deflection of Arc from its intended path is called ‘Arc blow’

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In metal arc welding

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Weldability depends on

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Hydrogen induced cracking occurs in the heat effected zone adjacent to

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DC with reverse polarity is used in

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In gas welding the metal to be joined gets oxidized or carburized

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