Engineering Materials Ferromagnetic alpha iron exists in temperature range of 1400 to 1539°C 910 to 1440°C 770 to 910°C Below 723°C 1400 to 1539°C 910 to 1440°C 770 to 910°C Below 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Basic solution is one which has pH value Equal to 7 pH value has nothing to do with basic solution Less than 7 Greater than 7 Equal to 7 pH value has nothing to do with basic solution Less than 7 Greater than 7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is Duralumin Silver metal Invar Hastelloy Duralumin Silver metal Invar Hastelloy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal shrinks most from molten state to solid state? Cast iron Admiralty metal Cast steel Brass Cast iron Admiralty metal Cast steel Brass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 6.3% Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 0.83% Adding carbon up to 6.3% Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 0.83% ANSWER DOWNLOAD EXAMIANS APP
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