Chemical Process Reaction of calcium carbide with water produces a gas, which is used Neither A nor B Both A & B As an illuminant For metal cutting/welding Neither A nor B Both A & B As an illuminant For metal cutting/welding ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not an insecticide? Hydrocyanic acid Nicotine Hexane Sodium flouride Hydrocyanic acid Nicotine Hexane Sodium flouride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to None of these Increase the rate of absorption Avoid corrosion Reduce the cooling water circulation rate None of these Increase the rate of absorption Avoid corrosion Reduce the cooling water circulation rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of liquid nitrogen is in Refrigerative cooling Detergent manufacture Making gun powder Rocket propulsion Refrigerative cooling Detergent manufacture Making gun powder Rocket propulsion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Dissolved salt Dissolved oxygen Suspended salt Silica Dissolved salt Dissolved oxygen Suspended salt Silica ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Resistance to fusion of the refractory under a steady rising temperature condition is called Both A & B Spalling Refractoriness Neither A nor B Both A & B Spalling Refractoriness Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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