The forces acting on the bar as shown in the given figure introduce ____.
A. Shear stress
B. Tensile stress
C. Compressive stress
D. None of these
Theory of Structures
Theory of structures MCQ is the backbone of civil engineering, providing the basic principles and concepts necessary to understand the behavior of structures under various conditions.
The yield moment of a cross section is defined as the moment that will just produce the yield stress in ____.
A. The neutral fibre of the section
B. The fibre everywhere
C. The inner most fibre of the section
D. The outer most fibre of the section
The forces in the members of simple trusses, may be analysed by:
A. Method of sections
B. Graphical method
C. Method of joints
D. All the above
The degree of indeterminacy of the frame in the given figure, is ____.
A. 1
B. 2
C. 3
D. Zero
The force in BC of the truss shown in the given figure, is:
A. 3.0 t tension
B. t compression
C. 3.0 t compression
D. t tension
Slenderness ratio of a long column, is ____ ?
A. Area of cross-section divided by least radius of gyration
B. Radius of gyration divided by area of cross-section
C. Length of column divided by least radius of gyration
D. Area of cross-section divided by radius of gyration
Maximum strain theory for the failure of a material at the elastic limit, is known as :
A. St. Venant’s theory
B. Haig’s theory
C. Guest’s or Trecas’ theory
D. Rankine’s theory
A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to:
A. /12h
B. /16h
C. /4h thrust is
D. /8h
A shaft subjected to a bending moment M and a torque T, experiences:
A. Maximum shear stress = 16 T d3
B. Maximum bending stress = 32M d3
C. Both A. and B
D. Neither A. nor B.
A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised:
A. Brass experiences compressive force
B. Composite beam gets subjected to a couple
C. Steel experiences tensile force
D. All the above