41. The aluminium alloy made by melting aluminium with 2 to 10% magnesium and 1.75% copper is called
42. A steel containing 16 to 18% chromium and about 0.12% carbon is called
43. Which of the following is added in low carbon steels to prevent them from becoming porous?
44. The correct composition of Babbitt metal is
45. 'Killed steels' are those steels
46. Tin base white metals are used where the bearings are subjected to
47. Elinvar, an alloy used in precision instruments, hair springs for watches, etc. contains the following element as principal alloying element
48. Which of the following statement is incorrect about duralumin?
49. Pearlite is a combination of
50. Austenite is a combination of
Read More Section(Engineering Materials)
Each Section contains maximum 100 MCQs question on Engineering Materials. To get more questions visit other sections.