Q181
Open questionGalvanising is not a zinc diffusion process. A zinc diffusion process is termed as
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Q182
Open questionNitriding of steel is a process for
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Q183
Open questionThe loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called
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Q184
Open questionDuralumin is an alloy of
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Q185
Open questionDuriron is
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Q186
Open questionWhich of the following crystal structures characterises the austenitic stainless steel?
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Q187
Open questionWhich of the following is a light alloy?
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Q188
Open questionWhich of the following has no effect on the carbide forming tendency in steels?
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Q189
Open questionWhich of the following has a very high carbide forming tendency in steels?
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Q190
Open questionCast irons are generally specified by their
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Q191
Open questionIn order to be called steel, an alloy should have iron percentage greater than
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Q192
Open questionCarbon percentage is the same in cast iron and
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Q193
Open questionWhich one contains the least percentage of carbon?
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Q194
Open questionSpark plugs, ignition tubes and electrodes are made of nickel __________ alloys.
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Q195
Open questionThe purpose of nitriding the steel is to
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Q196
Open questionAcetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of
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Q197
Open questionPick out the wrong statement
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Q198
Open questionA material capable of undergoing large permanent deformation, when subjected to tension is termed as
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Q199
Open questionWhich one occupies the lowermost position in the electromotive series of metals?
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Q200
Open questionCarbon is present in the uncombined (graphitic) form in case of
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