Materials and Construction As the impurities are oxidised, the melting point of iron Decreases Remains unchanged May increase or decrease ; unpredictable Increases Decreases Remains unchanged May increase or decrease ; unpredictable Increases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following will have the highest melting point? Mild steel Pig iron High carbon steel Wrought iron Mild steel Pig iron High carbon steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Graphite is a good Thermal & electrical insulator Conductor of heat Conductor of electricity Both B & C Thermal & electrical insulator Conductor of heat Conductor of electricity Both B & C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Out of the following, copper vessels are the most suitable for the storage of Dry chlorine & dry fluorine Nitric acid (95% and fuming) Phosphoric acid (95%) & sulphuric acid (95% and fuming) Bromine Dry chlorine & dry fluorine Nitric acid (95% and fuming) Phosphoric acid (95%) & sulphuric acid (95% and fuming) Bromine ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Gunmetal and bronze are not corroded by the action of Nitric acid (< 25%) Synthetic detergent solution Wet chlorine Hydrochloric acid (10%) Nitric acid (< 25%) Synthetic detergent solution Wet chlorine Hydrochloric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pick the odd man out of the following. Calorising Nitriding Cyaniding Pack carburising Calorising Nitriding Cyaniding Pack carburising ANSWER DOWNLOAD EXAMIANS APP
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