Theory of Structures

The ratio of maximum and average shear stresses on a rectangular section, is________________?

Byadmin January 17, 2019August 12, 2021

The ratio of maximum and average shear stresses on a rectangular section, is________________?

A. 1
B. 1.25
C. 1.5
D. 2.5

Theory of Structures

The point of contraflexure is the point where_______________?

The point of contraflexure is the point where_______________?

A. B.M. changes sign
B. B.M. is maximum
C. B.M. is minimum
D. S.F. is zero

Read More The point of contraflexure is the point where_______________?
Theory of Structures

A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised___________________?

A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised___________________?

A. Steel experiences tensile force
B. Brass experiences compressive force
C. Composite beam gets subjected to a couple
D. All the above(Correct)

Read More A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised___________________?
Theory of Structures

A concentrated load P is supported by the free end of a quadrantal ring AB whose end B is fixed. The ratio of the vertical to horizontal deflections of the end A, is______________?

A concentrated load P is supported by the free end of a quadrantal ring AB whose end B is fixed. The ratio of the vertical to horizontal deflections of the end A, is______________?

A. /6
B. /2(Correct)
C. /3
D. /4

Read More A concentrated load P is supported by the free end of a quadrantal ring AB whose end B is fixed. The ratio of the vertical to horizontal deflections of the end A, is______________?
Theory of Structures

A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to________________?

A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to________________?

A. /4h thrust is
B. /8h
C. /12h
D. /16h(Correct)

Read More A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to________________?
Theory of Structures

For permissible shear stress fs, the torque transmitted by a thin tube of mean diameter D and wall thickness t, is________________?

For permissible shear stress fs, the torque transmitted by a thin tube of mean diameter D and wall thickness t, is________________?

A. ( /2) t fs
B. ( /2) t fs
C. D2t fs
D. ( /4) fs

Read More For permissible shear stress fs, the torque transmitted by a thin tube of mean diameter D and wall thickness t, is________________?
Theory of Structures

Maximum principal stress theory for the failure of a material at elastic point, is known________________?

Maximum principal stress theory for the failure of a material at elastic point, is known________________?

A. Guest’s or Trecas’ theory
B. St. Venant’s theory
C. Rankine’s theory(Correct)
D. Von Mises’ theory

Read More Maximum principal stress theory for the failure of a material at elastic point, is known________________?