Strength of Materials Questions

• A closely-coiled helical spring is cut into two halves. The stiffness of the resulting spring will be
• The modulus of elasticity for mild steel is approximately equal to
• A thick pressure vessel is always used for the generation of steam, as it can withstand high pressures.
• A beam supported on more than two supports is called
• The assumption made in Euler's column theory is that
• In a thin cylindrical shell subjected to an internal pressure p, the ratio of longitudinal stress to the hoop stress is
• The compression test is carried on __________ materials.
• The maximum shear stress is __________ the algebraic difference of maximum and minimum normal stresses.
• In case of an over-reinforced beam, the depth of actual neutral axis is the same as that of the critical neutral axis.
• A rectangular beam subjected to a bending moment is shown in the below figure. The upper layer of the beam will be in tension.
• A closely-coiled helical spring of stiffness k is cut into (n) equal parts. The stiffness in each part of the spring will be
• The bending moment at the ends of a simply supported beam will be zero.
• For no tension condition in the base of a short column of circular section, the line of action of the load should be within a circle of diameter equal to __________ of the main circle.
• When a body is subjected to a direct tensile stress (σ) in one plane, then maximum normal stress occurs at a section inclined at __________ to the normal of the section.
• In case of an under-reinforced beam, the depth of actual neutral axis is __________ that of the critical neutral axis.
• A beam extending beyond the supports is called
• The maximum shear stress developed in a beam of circular section is __________ the average shear stress.
• A flitched beam is used to
• For a beam, as shown in the below figure, the deflection at C is (where E = Young's modulus for the beam material, and I = Moment of inertia of the beam section. )
• In a stress-strain diagram as shown in the below figure, the curve A represents