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Test: Design of Steel Structures - Civil Engineering (CE) MCQ


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10 Questions MCQ Test Construction Materials & Management - Test: Design of Steel Structures

Test: Design of Steel Structures for Civil Engineering (CE) 2024 is part of Construction Materials & Management preparation. The Test: Design of Steel Structures questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Design of Steel Structures MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Design of Steel Structures below.
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Test: Design of Steel Structures - Question 1

Two steel plates of 20 (outer) and 25 (inner) millimeters are tied together by a solder binder of 32 mm thickness. In-line gap (millimeter) of these binder should not exceed _____.

Detailed Solution for Test: Design of Steel Structures - Question 1

General design consideration for structural fasteners are as follows:

Where t = thickness of thinner plate
Calculation:
Given data;
t = thickness of thinner plate = 20 mm
The In-line gap (millimeter) of these binder should be
= 32t or 300 mm, whichever is less
= 32 × 20 mm or 300 mm, whichever is less
= 640 mm or 300 mm, whichever is less
Hence, The In-line gap (millimeter) of these binder should be 300 mm.

Test: Design of Steel Structures - Question 2

What is steel structure design?

Detailed Solution for Test: Design of Steel Structures - Question 2

Steel design, or structural steel design, is a branch of structural engineering that deals with the design of steel structures. A steel structure is made up of structural members made of steel that have standard cross-sectional profiles, chemical compositions, and mechanical qualities.

Test: Design of Steel Structures - Question 3

Select the correct statement

Test: Design of Steel Structures - Question 4

The unit mass (kg/cum) of structural steel as prescribed by IS 800 is:

Detailed Solution for Test: Design of Steel Structures - Question 4

The properties of structural steel, as per clause 2.2.4 of IS 800:2007, for use in design, may be taken as given in clauses 2.2.4.1 and 2.2.4.2 of the code.

Since, 
1 kg = 103 g
Therefore, 7850 kg/m3 = 7850 × 103 g/m3

Test: Design of Steel Structures - Question 5

Which of the following method is best for the design of steel structure?

Detailed Solution for Test: Design of Steel Structures - Question 5

The limit state method is commonly used to design steel buildings and their components. When the limit state method isn’t feasible, the working stress method can be employed.

Test: Design of Steel Structures - Question 6

The forces acting on the web splice of a plate girder are

Test: Design of Steel Structures - Question 7

Usually, a plate girder is called as economical if it corresponds to minimum:

Detailed Solution for Test: Design of Steel Structures - Question 7

Economical depth of plate girder (D): 
Compressive member are always based function of their depth. The depth at which the weight of girder is minimum is its economical depth.
For riveted plate girder, 
For welded plate girder, 
where M=Maximum bending moment,
σb = Permissible bending stress
If the depth of girder is less than 750mm, it is called shallow plate girder.
If the depth is more than 750mm, it is called deep plate girder.
∴ Economical depth of a plate girder corresponds to minimum weight.

Test: Design of Steel Structures - Question 8

The phenomenon of producing higher stresses near the junction of a web and lower stresses at points away from the web of a steel beam is known as _____.

Detailed Solution for Test: Design of Steel Structures - Question 8

Shear lag:

  • The phenomenon of producing higher stresses near the junction of a web and lower stresses at points away from the web of a steel beam is known as shear lag.
  • Shear lag occurs due to the non-uniform distribution of forces across the cross-section of the beam.
Test: Design of Steel Structures - Question 9

Generally the purlins are placed at the panel points so as to avoid

Test: Design of Steel Structures - Question 10

Slope of a truss is equal to 

Detailed Solution for Test: Design of Steel Structures - Question 10

Slope: Slope is the incline of the roof expressed as a ratio of the vertical rise to the horizontal run, where the run is some portion of the span/

Roof Trusses:

  • They are economical for spans more than 6 m.
  • The pitch of a roof truss (Rise/Span) should be 1/4 to 1/6 to its slope for proper drainage and slope = 2 times pitch .
  • The spacing of roof trusses is kept 1/3 to 1/5 of the span.
  • Roof trusses usually require very light members.
  • A minimum angle section ISA 50 × 50 × 6 mm should be provided to avoid damage during transportation.
  • The gusset plate should be at least 6 mm thick and at least 2 rivets should be used to connect any member to it.
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