Civil engineering MCQ and Design of steel structure MCQ for competitive exam.
Q. 1 Net sectional area of a tension member, is equal to its gross section area
A. Divided by the area of rivet holes
B. Multiplied by the area of the rivet holes
C. Plus the area of the rivet holes
D. None of these
D. None of these
Q. 2 For a single section used as a tension member, the given area is assumed
A. 30% to 40% in excess of the net area
B. 40% to 50% in excess of the net area
C. 20% to 30% in excess of the net area
D. 50% to 60% in excess of the net
B. 40% to 50% in excess of the net area
Q. 3 The effective length of a weld, is taken as the actual length
A. Minus twice the size of weld
B. Plus the size of weld
C. Minus the size of weld
D. Plus twice the size of weld
A. Minus twice the size of weld
Q. 4 The greatest gauge of long rivets should not exceed (where d is the diameter of the holes).
A. 6 d
B. 4 d
C. 2 d
D. 8 d
D. 8 d
Q. 5 The shape factor of an isosceles triangle for bending about the axis parallel to the base is:
A. 1.7
B. 2.0
C. 1.5
D. 2.34
D. 2.34
Q. 6 Rolled steel Tee-sections are used
A. As built up sections to resist axial tension
B. With flat strips to connect plates in steel rectangular tanks
C. As columns
D. None of these
B. With flat strips to connect plates in steel rectangular tanks
Q. 7 Water pressure in a 80 cm water main is 10 kg/cm2. The minimum thickness of the metal required for the water main, not to be stressed more than 200 kg/cm2, is
A. 2 cm
B. 2.5 cm
C. 1 cm
D. 1.5 cm
A. 2 cm
Q. 8 Which of the following types of riveted joint is free from bending stresses?
A. Butt joint with double cover plates
B. Lap joint
C. Butt joint with single cover plate
D. None of the above
A. Butt joint with double cover plates
Q. 9 The beams supporting the steps of a stair are generally known as
A. Trimmers
B. Stringers
C. Headers
D. Spandrel beams
B. Stringers
Q. 10 With usual notations of the letters, the shear stress fs at any point of the cross-section is given by
A. fs =It/FQ
B. fs =IF/Qt
C. fs =FQ/It
D. fs =Ft/IQ
B. Fat lime
