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Test: Compression Members- 1 - Civil Engineering (CE) MCQ


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10 Questions MCQ Test GATE Civil Engineering (CE) 2025 Mock Test Series - Test: Compression Members- 1

Test: Compression Members- 1 for Civil Engineering (CE) 2024 is part of GATE Civil Engineering (CE) 2025 Mock Test Series preparation. The Test: Compression Members- 1 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Compression Members- 1 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Compression Members- 1 below.
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Test: Compression Members- 1 - Question 1

As per IS : 800, the thickness of slab base is given by

Where A and B are larger and smaller projections respectively of plate beyond column, W is the pressure on the underside of base and Fb is permissible bending stress in slab bases.

Test: Compression Members- 1 - Question 2

If 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be

Detailed Solution for Test: Compression Members- 1 - Question 2

Minimum width of lacing bars in riveted connection should be as follows:
Nominal rivet
diameter (mm)    22 20 18 16
Width of lacing bars (mm)     65 60 55 50

Test: Compression Members- 1 - Question 3

Lacing bars in a steel column should be designed to resist

Detailed Solution for Test: Compression Members- 1 - Question 3

The lacing of compression members should be designed to resist a transverse shear, V = 2.5% of axial force in the member.
For single lacing system on two parallel faces, the force (compressive or tensile) in each bar,

For double lacing system on two parallel planes, the force (compressive or tensile) in each bar,

Test: Compression Members- 1 - Question 4

The channels or angles in the compression chords of the steel truss girder bridges are turned outward in order to increase

Test: Compression Members- 1 - Question 5

Which one of the following pairs is correctly matched?

Test: Compression Members- 1 - Question 6

An electric pole 5 m high is fixed into the foundation. It carries a wire at the top and is free to move sideways. The effective length of the pole is

Detailed Solution for Test: Compression Members- 1 - Question 6

It is equivalent to a compression member whose one end is fixed against rotation and position and the other and neither restrained against rotation nor fixed in position in the direction perpendicular to wire. So effective length = 2L = 10 m.
In the direction of wire, the pole is hinged at wire end so effective length = 0.8L = 4.0 m.

Test: Compression Members- 1 - Question 7

For a compression member having the same effective length about any cross-sectional axis, the most preferred section from the point of view of strength is

Detailed Solution for Test: Compression Members- 1 - Question 7

Slenderness ratio, 
Lesser the value of λ (greater radius of gyration r), the column can take more load. Maximum radius of gyration is obtained when material is farthest from centroid. Therefore box section is best.

Test: Compression Members- 1 - Question 8

The slenderness ratio of lacing bars should not exceed

Test: Compression Members- 1 - Question 9

Which one among the following is the correct ratio of effective length to actual length of a discontinuous angle strut, if ends are welded?

Detailed Solution for Test: Compression Members- 1 - Question 9

For single angle discontinuous,
(i) One rivet or bolt - Effective length is the distance between the centres of end fastenings
(ii) Two or more rivets or welding - Effective length is 0.85 times the distance between node points.

Test: Compression Members- 1 - Question 10

In a gusseted base, when the end of the column is machined for complete bearing on the base plate, the axial load is assumed to be transferred to the base plate

Detailed Solution for Test: Compression Members- 1 - Question 10

If the column ends and gusset materials are not faced/machined for complete be a ring, the fasteners are designed for the total forces to be transferred. If they are faced/machined for complete bearing, 50% of the forces are transferred directly by the column and 50% through the fasteners

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