Rajasthan Technical Education Second Year Paper 2016 Mechanics of Structures

Hook’s law state that
(a) Stress is directly proportional to strain
(b) Strain is directly proportional to Stress
(c) Stress is directly proportional to strain within elastic limit
(d) Stress is not directly proportional to strain

A matter which having more thermal coefficient means
(a) more expansion & contraction due to increase & decrease in temperature respectively
(b) Expansion and contraction does not depends upon temperature
(c) More contraction due to increase in temperature
(d) Less expansion due to increase in temperature

Poisson’s ratio is
(a) Ratio of lateral strain to lognitudinal strain
(b) Ratio of Longitudinal strain to lateral strain’s
(c) Ratio of Tensile strain to compression strain’s
(d) Ratio of Lateral strain to tensile stress

Bulk Modulus is
(a) shear stress/ direct stress
(b) direct stress/ volumetric strain
(c) direct stress/ direct strain
(d) volumetric strain/ direct stress

Factor of Safety is
(a) Ultimate load/ Working load
(b) Yield load/ Rupture load
(c) Ultimate load/ Rupture load
(d) Yield load/ Ultimate load

Point of contraflexure is
(a) Point at which bending moment change its sign
(b) Point at which bending moment is zero
(c) Point at which bending moement & shear force is zero
(d) Point at which shear force is zero

A simply supported beam having span 8 m & carrying 10kN/m u.d.l (Uniformly distributed load) then maximum bending moment
(a) 20 KNm
(b) 80 kNm
(c) 40 kNm
(d) 160 kNm

A cantilever beam carrying udl 10 kN/m & span 8 m then maximum bending moment is
(a) 160 kNm
(b) 40 kNm
(c) 80 kNm
(d) 320 kNm

Point where shear force is zero then bending moment is
(a) zero
(b) Maximum
(c) Near by maximum
(d) Neither maximum nor zero

The maximum shear stress and mean shear stress ratiio for a rectangular section is
(a) 1.5
(b) 4.33
(c) 1.33
(d) 2.0

Modulus of Rigidity is
(a) Shear stress x Shear strain
(b) Shear stress/ Shear strain
(c) Direct Stress/ Shear stress
(d) Shear stress/. Direct stress

Unknown forces at roller support are
(a) one vertical force only
(b) horizontal and vertical force
(c) Moment only
(d) None of these

If a cantilever bea carries a uniformly distributed load over its entire length, then shapes of shear force diagram and bending moment diagram respectively are
(a) quadratic parabola and cubic parabola
(b) triangle and quadratic parabola
(c) rectangle and triangle
(d) quadratic parabola and triangle

Flexural rigidity is the multiple of
(a) E & I
(b) M & I
(c) E & Y
(d) E & M