Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Dissolved oxygen Suspended salt Dissolved salt Silica Dissolved oxygen Suspended salt Dissolved salt Silica ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its Hydrolysis tendency in presence of water Greater tendency of decomposition at elevated temperature Poor oxidation stability and high gum forming tendency All of these Hydrolysis tendency in presence of water Greater tendency of decomposition at elevated temperature Poor oxidation stability and high gum forming tendency All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Black liquor is converted into white liquor by Extractive distillation Multi-effect evaporation only Selective liquid extraction Evaporation and burning the concentrate followed by causticisation of products Extractive distillation Multi-effect evaporation only Selective liquid extraction Evaporation and burning the concentrate followed by causticisation of products ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Manufacture of phthalic anhydride uses __________ as a catalyst. Cr Al₂O₃ Ni V₂O₅ Cr Al₂O₃ Ni V₂O₅ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Synthesis gas is a mixture of H₂, CH₄ and CO CO and H₂ CO₂ and H₂ N₂ and H₂ H₂, CH₄ and CO CO and H₂ CO₂ and H₂ N₂ and H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Silicon carbide is a/an Adhesive Type of glass Brittle material Abrasive Adhesive Type of glass Brittle material Abrasive ANSWER DOWNLOAD EXAMIANS APP