Chemical Engineering Basics In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following : Blast of air Mixture of water and air Rain of molten lead Jet of water at high pressure Blast of air Mixture of water and air Rain of molten lead Jet of water at high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following materials has the maximum shrinkage allowance ? Cast iron Lead Aluminium alloy Brass Cast iron Lead Aluminium alloy Brass ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alloys having more than 80% copper are generally more Machinable Abrasion resistant Prone to season cracking Corrosion resistant Machinable Abrasion resistant Prone to season cracking Corrosion resistant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of stress corrosion ? Neither (a) nor (b) Caustic embrittlement of steel Season cracking of brass Both (a) & (b) Neither (a) nor (b) Caustic embrittlement of steel Season cracking of brass Both (a) & (b) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent. 150 200 300 400 150 200 300 400 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following phenomenon/ phenomena is/are diffusion controlled ? Dislocation climb Cross-slip Recrystallisation Twinning Dislocation climb Cross-slip Recrystallisation Twinning ANSWER DOWNLOAD EXAMIANS APP
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