Questions asked in SSC JE 2009 Exam (Design of steel structures)

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2009

1. If p and d are pitch and gross diameter of rivets, the efficiency 𝜂’ of the riveted joint, is given by

a) 𝜂 = p/ (p - d)

b) η = (p - d)/ p

c) 𝜂 = p / (p + d)

d) 𝜂 = (p + d)/ p

2. The permissible bending stress in steel is

a) 1500 kg/cm2

b) 1890 kg/cm2

c) 1900 kg/cm2

d) 1300 kg/cm2

3. Minimum pitch of the rivets shall not be less than

a) 1.5 d

b) 2.5 d

c) 2.0 d

d) 3.0 d

4. The heaviest I-section for the same depth is

a) ISLB

b) ISMB

c) ISHB

d) ISWB

5. When slenderness ratio in a column lies between 32 to 120, it is known as

a) Long column

b) Short column

c) medium column

d) Stocky column