Metals Quiz 1 | ITI Fitter Metals Quiz irshadalam@1 February 2, 2022 0 Fitter Quiz Metals Quiz 1 | ITI Fitter Metals Quiz 169 Created on February 02, 2022 By irshadalam@1 Metals Quiz 1 / 20 1) Which anticorrosive metal is widely used for Surface coating on iron sheets for galvanizing ………… Brass Tin Copper Zinc 2 / 20 2) Brass is an alloy of …………. copper and tin copper and zinc lead and tin copper and lead 3 / 20 3) Aluminium is extracted from the ore. aluminium oxide Bauxide mangnetite Pyrites 4 / 20 4) Generally underground telephone and power cable are protected from corrosion by ……….. chromium nickel Lead copper 5 / 20 5) Which non ferrous metal tensile strength can be Increased by hammering or rolling? Lead Zinc Tin Copper 6 / 20 6) Gun metal is an alloy of………. Brass, Zinc and Lead Copper Tin and White Matel Copper, Tin and Zinc Copper, Lead and Zinc 7 / 20 7) Which kind of material to be used for hard soldering purpose? Lead Iron Tin Copper 8 / 20 8) The composition of electrician solder is ………. Lead-50%, tin-50% Lead-70%, tin-30% Lead-63%, tin-37% Lead-37%, tin-63% 9 / 20 9) As compared to iron, aluminium has ……………. Higher tendency to oxidize Less tendency to oxidize Equal tendency to oxidize None of these 10 / 20 10) Iron is galvanized by coating with ……………. Tin Nickel Copper Zinc 11 / 20 11) Which of the following materials has the maximum ductility? Mild steel Copper Aluminium Zinc 12 / 20 12) Medium solder contains ……………… 37% lead and 63% tin 50% lead and 50% tin 70% lead and 30% tin None of these 13 / 20 13) Best conductor of heat and electricity is ………………………….. Copper Chromium Nickel Aluminium 14 / 20 14) Brass in an alloy of ……………….. Copper and Zinc Copper and Silver Lead and Tin Copper and Tin 15 / 20 15) An alloy is a ……………. Mixture of metals in any proportion Mixture of two non-metals Pure metal Mixture of metals in fixed proportion 16 / 20 16) Bronze is an alloy of Copper and iron Copper and Aluminium Copper and Nickel Copper and Tin 17 / 20 17) Which of the following is not an alloy? Steel Bronze Copper Brass 18 / 20 18) Duralumin is an alloy of Aluminium and Carbon Aluminium and mercury Aluminium and Copper Aluminium and iron 19 / 20 19) Which of the following alloy is used in making aircraft structures? Manganin Bronze Duralumin Brass 20 / 20 20) Magnesium is used in high resistivity electrolytes due to its Neutral potential Most negative potential Most positive potential Zero potential Your score isThe average score is 36% LinkedIn Facebook Twitter VKontakte 0% Restart quiz
