Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 10 1000 10000 100 10 1000 10000 100 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. 400 300 200 150 400 300 200 150 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxygen cylinders used for autogenous (cutting/welding) purposes are Made by sand casting Welded steel cylinders Seamless & made of steel Heat treated before use Made by sand casting Welded steel cylinders Seamless & made of steel Heat treated before use ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively Increases & increases Decreases & decreases Decreases & increases Increases & decreases Increases & increases Decreases & decreases Decreases & increases Increases & decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For hardening high alloy steel, it is to be heated slowly and uniformly to avoid Segregation Scale formation Local hardening Warpage Segregation Scale formation Local hardening Warpage ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In the Bayer's process, bauxite is digested under pressure using NH₃ HCl NaOH H₂SO₄ NH₃ HCl NaOH H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
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