Materials and Construction Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? None of these Chromium steel Molybdenum steel Silicon steel None of these Chromium steel Molybdenum steel Silicon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of nickel to copper improves its Strength Hardness Ductility Machinability Strength Hardness Ductility Machinability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Graphite is corroded by Hydrochloric acid Sulphuric acid (10%) None of these Sea water Hydrochloric acid Sulphuric acid (10%) None of these Sea water ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ammonium chloride solution is stored/ treated in __________ vessels/pipes. Lead Rubber or durmet-20 lined Stainless steel Plain carbon steel Lead Rubber or durmet-20 lined Stainless steel Plain carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its Low thermal conductivity High co-efficient of thermal expansion All of these High corrosion resistance Low thermal conductivity High co-efficient of thermal expansion All of these High corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys. Manganese Copper Iron Beryllium Manganese Copper Iron Beryllium ANSWER DOWNLOAD EXAMIANS APP
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