Which of the following is added to steel to increase resistance to corrosion?

A)
Carbon
B)
Sulphur
C)
Manganese
D)
Copper

Correct Answer :   Copper

Explanation : Addition of small quantity of copper increases resistance to corrosion. Even Chrome and Nickel are added to impart corrosion resistance property to steel.

Recently Updated in Steel Structure Design Questions
Which of the following is not a parameter for decrease in strength of slender member?
A)
residual stress
B)
seismic load
C)
initial lack of straightness
D)
variation of material properties

Correct Answer : Option (B) :   seismic load

Explanation : The decrease in strength of slender member is due to following parameter : imperfections- initial lack of straightness, accidental eccentricities of loading, residual stress, and variation of material properties over the cross section.

Which of the following is not a compression member?
A)
tie
B)
boom
C)
strut
D)
rafter

Correct Answer : Option (A) :   tie

Explanation : Strut, boom and rafter are compression members, whereas tie is a tension member.

Rolled steel angle sections are classified as
A)
bulb angles
B)
equal angles
C)
unequal angles
D)
All of the above

Correct Answer : Option (D) :   All of the above

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