Design of Steel Structures MCQ Questions and answers

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Q. For steel members exposed to weather and not accessible for repainting, the thickness of steel should not be less than

(A) 4.5 mm
(B) 6 mm
(C) 8 mm
(D) 10 mm

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Q. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds

(A) 50 t
(B) 85 t
(C) 200 t
(D) 250 tt

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Q. For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as (Where p is basic wind pressure)

(A) Zero
(B) ±0.2 p
(C) ± 0.5 p
(D) ±0.7 p

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Q. Maximum pitch of rivets, used in steel stacks, is limited to

(A) 6 t
(B) 10 t
(C) 12 t
(D) 16 t t

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Q. If R is the reaction on the bearing plate, the minimum moment of. inertia of the bearing stiffener provided at the support of a plate girder of overall depth D, the maximum thickness of the compression flange T, carrying total load W, is

(A) (D²/250) × (R/W)
(B) (D3T/250) × (R/W)
(C) (DT/250) × (R/W)
(D) (DT/250) × (W/R)

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Q. As per IS: 800, in the plastic design, which of the following pairs are correctly matched? Working Loads Load factor
(i) Dead load 1.7
(ii) Dead Load + imposed load 1.7
(iii) Dead load + load due to wind or 1.3 seismic forces
(iv) Dead load + imposed load + load 1.7 due to wind or seismic forces Of these statements

(A) (i) and (ii) are correct
(B) (i), (ii) and (iii) are correct
(C) (ii) and (iii) are correct
(D) Only (i) is correct

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Q. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which moment in any rivet.)

(A) Is at the maximum distance from CG of the rivet group
(B) Is at the minimum distance from CG of the rivet group
(C) Gives the maximum angle between the two forces Fa and Fm
(D) Gives the minimum angle between the two forces Fa and Fm

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Q. Minimum spacing of vertical stiffeners is limited to (Where d is the distance between flange angles)

(A) d/4
(B) d/3
(C) d/2
(D) 2d/3

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Q. If P is the wind pressure in kg/cm2 , v is the velocity in km/hour and K is a constant of proportionality, then

(A) P = K/v2
(B) v = K/P2
(C) P = Kv2
(D) P = Kv

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Q. Study the following statements.
(i) Top lateral bracing prevents the sides-way buckling of the chord.
(ii) Sway bracing keeps the rectangular shape of the bridge cross-section.
(iii) Sway bracing transfers the load from top of end posts to bearings.
The correct answer is

(A) Only (i)
(B) Both (i) and (ii)
(C) Both (i) and (iii)
(D) All (i), (ii) and (iii)

Design of Steel Structures MCQs with answers Page - 30

Q. For steel members exposed to weather and not accessible for repainting, the thickness of steel should not be less than

Q. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds

Q. For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as (Where p is basic wind pressure)

Q. Maximum pitch of rivets, used in steel stacks, is limited to

Q. If R is the reaction on the bearing plate, the minimum moment of. inertia of the bearing stiffener provided at the support of a plate girder of overall depth D, the maximum thickness of the compression flange T, carrying total load W, is

Q. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which moment in any rivet.)

Q. Minimum spacing of vertical stiffeners is limited to (Where d is the distance between flange angles)

Q. If P is the wind pressure in kg/cm2 , v is the velocity in km/hour and K is a constant of proportionality, then

Q. Study the following statements.
(i) Top lateral bracing prevents the sides-way buckling of the chord.
(ii) Sway bracing keeps the rectangular shape of the bridge cross-section.
(iii) Sway bracing transfers the load from top of end posts to bearings.
The correct answer is

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Design of Steel Structures MCQs with answers Page - 30

Q. For steel members exposed to weather and not accessible for repainting, the thickness of steel should not be less than

Q. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds

Q. For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as (Where p is basic wind pressure)

Q. Maximum pitch of rivets, used in steel stacks, is limited to

Q. If R is the reaction on the bearing plate, the minimum moment of. inertia of the bearing stiffener provided at the support of a plate girder of overall depth D, the maximum thickness of the compression flange T, carrying total load W, is

Q. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which moment in any rivet.)

Q. Minimum spacing of vertical stiffeners is limited to (Where d is the distance between flange angles)

Q. If P is the wind pressure in kg/cm2 , v is the velocity in km/hour and K is a constant of proportionality, then

Q. Study the following statements. (i) Top lateral bracing prevents the sides-way buckling of the chord. (ii) Sway bracing keeps the rectangular shape of the bridge cross-section. (iii) Sway bracing transfers the load from top of end posts to bearings. The correct answer is

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Q. Study the following statements.
(i) Top lateral bracing prevents the sides-way buckling of the chord.
(ii) Sway bracing keeps the rectangular shape of the bridge cross-section.
(iii) Sway bracing transfers the load from top of end posts to bearings.
The correct answer is