Related Questions

Ingrannular corrosion occurs __________ stainless steel.
A In all types of steels except
B At the surface of
C Along grain boundaries of
D In the core of
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 crystal structures characterises the ferritic stainless steel?
A Face centred cubic
B Body centred cubic
C Simple hexagonal
D None of these
Stainless steel resists corrosion due to
A Carbon
B Sulphur
C Vanadium
D Chromium
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 of the above
Stainless steel is usually made by alloying the steel with
A Copper and nickel
B Copper and chromium
C Chromium and nickel
D Manganese and copper
Stainless steel এ steel ছাড়া আর কী থাকে?
A chromium
B vanadium
C manganese
D nickel
The alloy, mainly used for corrosion resistance in stainless steels is
A Silicon
B Manganese
C Carbon
D Chromium
When the temperature of air leaving the inter-cooler, in a two stage compression with inter-cooler, is ________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling.
A Equal to
B Less than
C More than
D None of these
Corrosion involves exchange of electrons in __________ corrosion.
A Chemical
B Electrochemical
C Both A & B
D Neither A nor B

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