A. Hydrochloric acid (10%)
B. Nitric acid (10%)
C. Sulphuric acid (10%)
D. Saturated brine
Related Mcqs:
- 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 - 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 - 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 - _____________ 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 - Glass is corroded by________________?
A. Fluorine (dry or wet)
B. Sulphuric acid
C. Phosphoric acid
D. None of these - Rubber lined vessels are corroded by the action of__________________?
A. Aqua regia
B. Chloroform
C. Sulphuric acid (95%)
D. All A., B. and C. - Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2. Lead pipes are readily corroded by_________________?
A. Dilute HCI
B. Acetic acid
C. Concentrated H2SO4
D. None of these
