Materials and Construction The high expansion metal normally used in the bimetallic thermometer is __________ temperature measurement. Nickel alloys for high Brass for low Both A & B Aluminium for all Nickel alloys for high Brass for low Both A & B Aluminium for all ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Containers made of high silicon cast iron (14% Si) are not suitable for the storage of Hydrochloric acid (concentrated) Phosphoric acid (95%) & sulphuric acid (95%) Benzoic & boric acids Acetic acid Hydrochloric acid (concentrated) Phosphoric acid (95%) & sulphuric acid (95%) Benzoic & boric acids Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The metals occuring at the lower most position in the electromotive series Do not resist corrosion Are heat insulators Resist corrosion very strongly Are very brittle Do not resist corrosion Are heat insulators Resist corrosion very strongly Are very brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cementite is All of these Characterised by an orthorhombic crystal structure Fe₃C chemically A compound of carbon and iron All of these Characterised by an orthorhombic crystal structure Fe₃C chemically A compound of carbon and iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the softest material? Corrundum Calcite Quartz Flourite Corrundum Calcite Quartz Flourite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Beehive coke ovens are made of __________ bricks. Fireclay Corundum Silica Silicon carbide Fireclay Corundum Silica Silicon carbide ANSWER DOWNLOAD EXAMIANS APP