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A shaft with a circular cross-section is subjected to pure twisting moment. The ratio of the maximum shear stress to the largest principal stress isGate-20161 AnswerA motor is driving a solid circular steel shaft transmits 40kW of power at 500 rpm. If the diameter of the shaft is 40 mm, The maximum shear stress in the shaft is ____ MPa. 1 AnswerA composite circular shaft is comprised of a steel core surrounded by an aluminum annulus, perfectly bonded to each other as shown in the fi gure. If it subjected to a pure torque, which one of the following statements is TRUE? GATE-1 AnswerIn stress strain curve of mild steel Ultimate Tensile Stress is1 AnswerWhich one of following is NOT correct? (Gate mechanical engineering 2014)1 AnswerWhat is the maximum shear stress induced in the shaft of diameter 40 mm. 1 AnswerIn the engineering stress-strain curve for mild steel, the Ultimate Tensile Strength (UTS) refers to1 AnswerA force of 8.0 kN is applied perpendicularly to the axis of a crankpin having circular cross-sectional area. The allowable shear stress of the crankpin material is 40.0 N mm-2. If the crankpin fails under double shear, the design diameter of the cran1 AnswerConsider a beam with circular cross-section of diameter d. The ratio of the second moment of area about the neutral axis to the section modulus of the area is.1 AnswerA thin cylindrical pressure vessel with closed-ends is subjected to internal pressure. The ratio of circumferential (hoop) stress to the longitudinal stress is Gate-20161 AnswerConsider the singly reinforced beam shown in the figure below:At cross-section XX, which of the following statements is TRUE at the limit state? - gate civil 2017 1 AnswerA steel rod was subjected to a fluctuating stress cycle that varied between a maximum of 400 MPa in tension to a minimum of 300 MPa in compression. What is the stress amplitude, in MPa?______. (-Gate metallurgical engineering 2014)1 AnswerA simply supported beam AB of span, L = 24 m is subjected to two wheel loads acting at a distance, d = 5 m apart as shown in the figure below. Each wheel transmits a load, P = 3 kN and may occupy any position along the beam. If the beam is an I-section having section modulus, S = 16.2 cm 3 , the maximum bending stress (in GPa) due to the wheel loads is _______________________. - gate civil 2017 1 AnswerIf a small concrete cube is submerged deep in still water in such a way that the pressure exerted on all faces of the cube is p, then the maximum shear stress developed inside the cube is -Civil Engineering-gate-20121 AnswerA steel member ‘M’ has reversal of stress due to live loads, whereas another member ‘N’ has reversal of stress due to wind load. As per IS 800: 2007, the maximum slenderness ratio permitted is: - gate civil 20171 AnswerAs per IS 800:2007, the cross-section in which th e extreme fiber can reach the yield stress, but cannot develop the plastic moment of resistance due to failure by local buckling is classified as, GATE- Civil Engineering- 20131 AnswerA body starts yielding when it is subjected to a stress state with principal stresses of 250 MPa, 50 MPa and −50 MPa. What is the yield strength of the material, in MPa, if Tresca yield criterion is obeyed? (-Gate metallurgical engineering 2014)1 Answer The semi-compact section of a laterally unsupported steel beam has an elastic section modulus, plastic section modulus and design bending compressive stress of 500 cm3 , 650 cm3 and 200 MPa, respectively. The design flexural capacity (expressed in k1 AnswerThe ‘plane section remains plane’ assu mption in bending theory implies: GATE- Civil Engineering- 20131 AnswerDefine breaking stress. A heavy wire is suspended from a roof and no weight is attached to its lower end. Is it under stress? -Physics Cbse class 11 1 Answer