A. B.M. changes sign
B. B.M. is maximum
C. B.M. is minimum
D. S.F. is zero
Related Mcqs:
- In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is_________________?
A. L/2
B. L/3
C. L/4
D. L/5 - The forces acting normally on the cross section of a bar shown in the given figure introduce_______________?
A. Compressive stress
B. Tensile stress
C. Shear stress
D. None of these - A shaft rotating N.R.M. under a torque T, transmits a power_______________?
A. /30 Newton metres/sec
B. /30 Newton metres/min
C. /60 Newton metres/min
D. /60 Newton metres/sec - If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is 17/64 (f /N)s__________________?
A. 1/2
B. 1/3
C. 1/4
D. 1/5 - A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm2 and Poisson’s ratio is 0.25, the change in the volume of the bar is_________________?
A. 1.125 cm3
B. 2.125 cm3
C. 3.125 cm3
D. 4.125 cm2 - 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 - A three hinged arch is generally hinged at its supports and__________________?
A. At one quarter span
B. At the crown
C. Anywhere in the rib
D. None of these - The area of the core of a column of cross sectional area A, is_______________?
A. (1/3) A
B. (1/6) A
C. (1/12) A
D. (1/18) A - For determining the force in the member AB of the truss shown in the given figure by method of sections, the section is made to pass through AB, AD and ED and the moments are taken about___________________?
A. Joint C
B. Joint B
C. Joint D
D. Joint A - Slenderness ratio of a long column, is_________________?
A. Area of cross-section divided by radius of gyration
B. Area of cross-section divided by least radius of gyration
C. Radius of gyration divided by area of cross-section
D. Length of column divided by least radius of gyration