A. Vanadium
B. Niobium
C. Chromium
D. Nickel
Related Mcqs:
- Most common stainless steel type 316, which is highly resistant to corrosion contains______________?
A. 16-13% Cr 10-14% Ni and 2-3% Mo
B. 20-22% Cr, and 8-10% Ni
C. 2-4% Cr, 22% NI and 2-4% Mo
D. None of these - 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 - Ferric stainless steels compared to austenitic stainless steels________________?
A. Have lower corrosion resistance
B. Are harder to fabricate
C. Are less ductile and hence less suitable for cold pressing
D. All A., B. and C. - 18/8 steel is a/an __________ stainless steel ?
A. Austenitic
B. Ferritic
C. Martensitic
D. None of these - 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 - Corrosion involves exchange of electrons in ____________ corrosion?
A. Chemical
B. Electrochemical
C. Both A. & B.
D. Neither A. nor B. - 18/8 stainless steel means, that it contains__________________?
A. 18% chromium and 8% nickel
B. 18% chromium and 8% molybdenum
C. 18% nickel and 8% chromium
D. 18% molybdenum and 8% chromium - Stainless steel contains_________________?
A. Chromium and nickel
B. Copper
C. Aluminium
D. Vanadium - Stainless steel is not corroded by _____________________?
A. Hydrochloric acid (10%)
B. Nitric acid (10%)
C. Sulphuric acid (10%)
D. Saturated brine - The process of coating steel sheets by zinc to improve its corrosion resistance is called___________________?
A. Calorising
B. Galvanising
C. Zincification
D. Tempering
