Design of Steel Structures MCQ Questions and answers

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Q. The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of (Where, t = the web thickness in mm and h = the outstand of stiffener in mm)

(A) 75 t²/h
(B) 125 t3/h²
(C) 125 t²/h
(D) 175 t²/h

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Q. When the upper column does not provide full bearing area over lower column, the column splice is provided with the following assumption

(A) Bearing plate is assumed as a short beam to transmit the axial load to the lower column section
(B) Axial load is assumed to be taken by flanges
(C) Load transmitted from the flanges of upper column and reactions from the flanges of lower columns are equal and form a couple
(D) All the above

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Q. On eccentrically loaded columns, the equivalent axial load may be obtained by

(A) Adding the axial load, eccentric load, the product of the bending moment due to eccentric load and the appropriate bending factor
(B) Adding the axial load and eccentric load and subtracting the product of bending moment and appropriate bending factor
(C) Dividing the sum of axial load and eccentric load by the product of the bending moment and appropriate bending factor
(D) None of these

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Q. The size of a butt weld is specified by the effective throat thickness which in the case of incomplete penetration, is taken as

(A) ½ of the thickness of thicker part
(B) ¾ of the thickness of thicker part
(C) ¾ of the thickness of thinner part
(D) 7/8 of the thickness of thinner part

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Q. The overlap of batten plates with the main members in welded connections should be more than

(A) 3 t
(B) 4 t
(C) 6 t
(D) 8 tt

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Q. Modified moment of inertia of sections with a single web, is equal to moment of inertia of the section about Y-Y axis at the point of maximum bending moment and is multiplied by the ratio of

(A) Area of compression flange at the minimum bending moment to the corresponding area at the point of maximum bending moment
(B) Area of tension flange at the minimum bending moment of the corresponding area atthe point of maximum bending moment
(C) Total area of flanges at the maximum bending moment to the corresponding area at the point of maximum bending moment
(D) None of these

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Q. The diameter of base of conical flare of a steel stack is ( d is the diameter of the cylindrical part)

(A) Less than d
(B) Equal to d
(C) More than d
(D) Any of the above

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Q. The effective length of a compression member of length L held in position and restrained in direction at one end and effectively restrained in direction but not held in position at the other end, is

(A) L
(B) 0.67 L
(C) 0.85 L
(D) 1.5 L

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Q. The critical load for a column of length I hinged at both ends and having flexural rigidity El, is given by

(A) Pc = ²EI/l²
(B) Pc = /l²
(C) Pc = /I²
(D) None of these

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Q. Minimum pitch of the rivets shall not be less than (Where d is gross diameter of rivet)

(A) 1.5 d
(B) 2.0 d
(C) 2.5 d
(D) 3.0 d

Design of Steel Structures MCQs with answers Page - 29

Q. The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of (Where, t = the web thickness in mm and h = the outstand of stiffener in mm)

Q. When the upper column does not provide full bearing area over lower column, the column splice is provided with the following assumption

Q. On eccentrically loaded columns, the equivalent axial load may be obtained by

Q. The size of a butt weld is specified by the effective throat thickness which in the case of incomplete penetration, is taken as

Q. The overlap of batten plates with the main members in welded connections should be more than

Q. Modified moment of inertia of sections with a single web, is equal to moment of inertia of the section about Y-Y axis at the point of maximum bending moment and is multiplied by the ratio of

Q. The diameter of base of conical flare of a steel stack is ( d is the diameter of the cylindrical part)

Q. The effective length of a compression member of length L held in position and restrained in direction at one end and effectively restrained in direction but not held in position at the other end, is

Q. The critical load for a column of length I hinged at both ends and having flexural rigidity El, is given by

Q. Minimum pitch of the rivets shall not be less than (Where d is gross diameter of rivet)

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