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ISRO CE Quiz 1 : Design of Steel Structure

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Question 1

An angle section ISA 80 mm x 80 mm x 10 mm is used as a tension member and is connected to gusset plate by 20 mm diameter rivets through both the legs. The pitch of rivets on each leg is 60 mm. However, the rivets on the two legs are staggered by 30 mm as shown in figure. Taking permissible stress of 150 N/mm² in axial tension, the allowable tension (in kN is

Question 2

A diamond section with unequal diagonals, the shorter being b and longer h, is used as a beam. If the shorter diagonal is placed parallel to the xx – axis, the shape factor of the section will be _______.

Question 3

A column consists of four ISA 150 x 150 x 12 mm, riveted together as shown in figure. What is the slenderness ratio, if the effective length of column is 4.5?
Data given,
I_xx = I_yy = 735.4 x 10⁴ mm⁴, C_xx = C_yy = 41.4 mm, a = 3459 mm²

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Question 4

Two plates, subjected to direct tension, each of 12 mm thickness and having widths of 130 mm and 150 mm, respectively are to be fillet welded with an overlap of 300 mm. Given that the permissible stress is 110 MPa and the permissible stress in steel is 150 Mpa. The length of the weld required using the minimum permissible weld size (in mm) as per IS 800: 1984 is
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Question 5

A plate carrying tensile load is 150 mm wide and 10 mm thick. It is connected to a gusset plate using 20 mm diameter bolts as shown in figure. The block shear strength of the plate is _________ kN.

Question 6

A thin cylinder 1000 mm in diameter is made by providing a tap joint with 10 mm fillet weld. The safe internal pressure that can be permitted in the cylinder based on the strength of the weld is _________ N/mm².
[Assume length of cylinder to be 1 mm]

Question 7

A steel column in a multi-storeyed building carries an axial load of 230 N. IT is built up of 2 ISMC 350 channels connected by lacing. The lacing carries a load of _______ N.

Question 8

A fillet welded joint of 6 mm size is shown in the figure. if the welding is done at site itself, then the safe load (in kN) that can be transmitted by the joint is
[Use LSM]

Question 9

A 12 mm thick-bracket plate is used to transmit a reaction of 125 kN (factored load) at an eccentricity of 75 mm from the column flange. If depth of column is 150 mm, then the bending stress developed will be ________ N/mm².

Question 10

In a plate girder, the web is primarily designed to resist

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ESE & GATE CE Structural Analysis

Jan 24ESE & GATE CE