A. Cubic
B. Hexagonal
C. Orthorhombic
D. None of these
Related Mcqs:
- The crystal structure of most of the common metals is_____________________?
A. Orthorhombic
B. Cubic
C. Hexagonal
D. None of these - Hydrochloric acid is _______________ corrosive to common metals?
A. Least
B. Not
C. Mildly
D. Highly - Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the ______________ stress?
A. Ultimate
B. Yield point
C. Proof
D. None of these - The damage/deterioration of metals by the ______________ action of fluids is called ‘erosion’?
A. Abrasive
B. Corrosive
C. Both A. & B.
D. Neither A. nor B. - Which of the following crystal structures characterises the ferritic stainless stee l?
A. Face centred cubic
B. Body centred cubic
C. Simple hexagonal
D. None of these - _____________ is added in stainless steel to prevent inter crystal corrosion?
A. Vanadium
B. Niobium
C. Chromium
D. Nickel - Which of the following crystal structures characterises the austenitic stainless steel ?
A. Simple hexagonal
B. Body centred cubic
C. Face centred cubic
D. None of these - Which of the following metals in not used for coating of the base metal to guard it against corrosion ?
A. Lead
B. Cadmium
C. Magnesium
D. Aluminium - Tin coating on metals is not done by_____________________?
A. Spraying
B. Powder metallurgy
C. Hot dipping
D. Electro-deposition - Which of the following is the lightest of engineering metals ?
A. Magnesium
B. Aluminium
C. Titanium
D. Tin
