In plastic analysis, the shape factor for rectangular section, is 1.7 1.6 1.4 1.5 TRUE ANSWER : ? YOUR ANSWER : ?
Maximum principal stress theory for the failure of a material at elastic point, is known Guest's or Trecas' theory Rankine's theory Von Mises' theory St. Venant's theory TRUE ANSWER : ? YOUR ANSWER : ?
A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm², the bending strain energy stored in the bar, is 611 N mm 711 N mm 511 N mm 411 N mm TRUE ANSWER : ? YOUR ANSWER : ?
A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 × 106 kg/cm², the side of the rod, is 2.5 cm 2 cm 1.5 cm 1 cm TRUE ANSWER : ? YOUR ANSWER : ?
Pick up the correct statement from the following: All of these In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area In a loaded beam, the moment at which the first yield occurs is called yield moment TRUE ANSWER : ? YOUR ANSWER : ?
The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called Proof stress Proof resilience Stiffness Proof load TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of shear stress and shear strain of an elastic material, is Modulus of Elasticity Both A. and B. Shear Modulus Modulus of Rigidity TRUE ANSWER : ? YOUR ANSWER : ?
A shaft rotating N.R.M. under a torque T, transmits a power /30 Newton metres/min /30 Newton metres/sec /60 Newton metres/min /60 Newton metres/sec TRUE ANSWER : ? YOUR ANSWER : ?
The locus of the moment of inertia about inclined axes to the principal axis, is Parabola Straight line Circle Ellipse TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of lateral strain to axial strain of a homogeneous material, is known Yield ratio Hooke’s ratio Plastic ratio Poisson’s ratio TRUE ANSWER : ? YOUR ANSWER : ?