Design of Steel Structures

101. If the depth of two column sections is equal, then the column splice is provided

1. With filler plates
2. With bearing plates
3. With filler and hearing plates
4. None of these

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102. If the floor is supported at or near the bottom but top chords of a bridge is not braced, then the bridge is called

1. Deck type
2. Through type
3. Half through type
4. Double deck type

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103. If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as

1. 0
2. 0.5
3. Between 0.5 and 1.0
4. 1

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104. If the moment of inertia of a section about its axis '1' is and its effective sectional area is 'A', its radius of gyration 'r' about the axis, is

1. r = I/A
2. r √(I/A)
3. r = ∛(I/A)
4. r √(A/I)

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105. If the pitch is 6 cm and rivet value is 4 tonnes, the number of rivets required for a riveted connection carrying an eccentric load of 15 tonnes at a distance of 30 cm from the centre line, is

1. 6
2. 8
3. 10
4. 15

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106. If the thickness of a structural member is small as compared to its length and width, it is classified as

1. One dimensional
2. Two dimensional
3. Three dimensional
4. None of these

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107. If the thickness of plate to be connected by a rivet is 16 mm, then suitable size of rivet as per Unwin's formula will be

1. 16 mm
2. 20 mm
3. 24 mm
4. 27 mm

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108. If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as

1. 120 mm
2. 160 mm
3. 200 mm
4. 300 mm

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109. If the unsupported length of a stanchion is 4 metres and least radius of gyration of its cross-section is 5, the slenderness ratio of the stanchion, is

1. 60
2. 70
3. 80
4. 100

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110. If W and L are the total superimposed load and the span of a plate girder in metres, the approximate self weight (W) of the girder, is taken as

1. M = WL/100
2. M = WL/200
3. M = WL/300
4. M = WL/400

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