87451. The neutral axis of the symmetrical beam does not pass through the centroid of the beam.
87452. The Poisson's ratio for steel varies from
87453. The deformation of a bar under its own weight is __________ the deformation, if the same body is subjected to a direct load equal to weight of the body.
87454. In a simple bending theory, one of the assumption is that the plane sections before bending remain plane after bending. This assumption means that
87455. The maximum shear stress, in the given figure, is equal to __________ of the Mohr's circle.
87456. A simply supported beam of length l carries a point load W at a point C as shown in the below figure. The maximum deflection lies at
87457. A uniformly distributed load may be assumed to behave like a point load at the centre of gravity of the load for all sorts of calculations.
87458. The shear force in the centre of a simply supported beam carrying a uniformly distributed load of w per unit length, is
87459. When a change in length takes place, the strain is known as
87460. The maximum bending moment of a simply supported beam with central point load lies at the point of loading.
87461. When the shear force diagram between any two points is an inclined straight line, it indicates that there is a uniformly varying load between the two points.
87462. The pull required to tear off the plate per pitch length is (where p = Pitch of rivets, t = Thickness of plates, and σt, τ and σc = Permissible tensile, shearing and crushing stresses respectively)
87463. When a beam is subjected to bending moment, the stress at any point is __________ the distance of the point from the neutral axis.
87464. The torsional rigidity of a shaft is given by
87465. The unit of strain is
87466. For the two shafts connected in parallel and subjected to twisting moment, the angle of twist of each shaft will be same.
87467. For a shaft, the shear stress at a point is __________ the distance from the axis of the shaft.
87468. A spring used to absorb shocks and vibrations is
87469. The shear stress at the centre of a circular shaft under torsion is
87470. At the neutral axis of a beam, the shear stress is
87471. The actual neutral axis of a reinforced cement concrete beam is based on the principle that the moment of areas of compression and tension zones at the neutral axis are equal.
87472. A cantilever beam is one which is
87473. In the above question, the ratio of stiffness of spring 'B' to spring 'A' will be
87474. The neutral axis of a transverse section of a beam passes through the centre of gravity of the section and is
87475. A pressure vessel is said to be a thick shell, when
87476. A steel bar 2 m long, 20 mm wide and 10 mm thick is subjected to a pull of 2 kN. If the same bar is subjected to a push of 2 kN, the Poission's ratio of the bar in tension will be __________ the Poisson's ratio for the bar in compression.
87477. A square beam and a circular beam have the same length, same allowable stress and the same bending moment. The ratio of weights of the square beam to the circular beam is
87478. A thin cylindrical shell of diameter (d), length (l) and thickness (t)is subjected to an internal pressure (p). The hoop stress in the shell is
87479. When a body is subjected to a direct tensile stress (σ) in one plane, then tangential or shear stress on an oblique section of the body inclined at an angle θ to the normal of the section is
87480. The distance between the centre of a rivet hole to the nearest edge of plate, is called
87481. Two closely-coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is double that of spring 'B'. The stiffness of spring 'A' will be __________ that of spring 'B'.
87482. In a tensile test, when the material is stressed beyond elastic limit, the tensile strain __________ as compared to the stress.
87483. Poisson's ratio is the ratio of linear stein to the volumetric strain.
87484. A section of beam is said to be in pure bending, if it is subjected to
87485. When a body is subjected to two equal and opposite forces, acting tangentially across the resisting section, as a result of which the body tends to shear off across the section, the stress and strain induced is
87486. In the below figure, the plastic range occurs
87487. The perpendicular distance between the centre lines of the successive rows, is called pitch.
87488. The values of equivalent length (L) and actual length (l) of a column for both ends hinged is the same
87489. The planes, which carry no shear stress, are known as principal planes.
87490. The stiffness of a closely-coiled helical spring is __________ proportional to number of turns.
87491. The maximum bending moment of a simply supported beam of span l and carrying a point load W at the centre of beam, is
87492. A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with one end fixed and the other end free.
87493. For biaxial stress, the planes of maximum shear are at right angles to each other and are inclined at 45° to the principal planes.
87494. The state of stress at a point in a loaded member is shown in the below figure. The magnitude of maximum shear stress is
87495. The maximum shear stress in a thin spherical shell subjected to an internal pressure (p) is zero.
87496. The assumption, generally, made in the theory of simple bending is that
87497. The shear force of a cantilever beam of length l carrying a uniformly distributed load of w per unit length is __________ at the fixed end.
87498. In the below figure, stress is proportional to strain, for the portion
87499. The product of Young's modulus (E) and moment of inertia (I) is known as
87500. The relation between equivalent length (L) and actual length (l) of a column for both ends fixed is
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