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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 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 AnswerA single crystal of aluminium is subjected to 10 MPa tensile stress along the  crystallographic direction. The resolved shear stress on the (111̅ )  slip system is ______ (in MPa to two decimal places)0 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 AnswerIn the engineering stress-strain curve for mild steel, the Ultimate Tensile Strength (UTS) refers to1 AnswerA cantilever beam having a rectangular cross-section of width 60 mm and depth 100 mm, is made of aluminum alloy. The material mechanical properties are: Young’s modulus, E = 73 GPa and ultimate stress, 𝜎𝑢=480 MPa. Assuming a factor of safety of 4, the maximum bending moment (in kN-m) that can be applied on the beam is _____ (accurate to one decimal place). (GATE-Aerospace-Engineering-2018)0 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 AnswerA thin cylinder (thickness, and diameter, ) with closed ends is subjected to an internal pressure, . The ratio of hoop stress to longitudinal stress developed in the wall of the cylinder is1 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 AnswerL ength, width and thickness of a plate are 400 mm, 400 mm and 30 mm, respectively. For the material of the plate, Young’s modulus of elasticity is 70 GPa, yield stress is 80 MPa and Poisson’s ratio is 0.33. When the plate is subjected to a longitudinal tensile stress of 70 MPa, the increase in the volume (in mm3) of the plate is ______0 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 AnswerThe maximum bending stress at the fixed end of the cantilever is (GATE-CIVIL-Engg-2018)0 AnswerIn a fillet weld, the direct shear stress and bending tensile stress are 50 MPa and 150 MPa, respectively. As per IS 800: 2007, the equivalent stress (in MPa, up to two decimal places) will be ______ (GATE-CIVIL-Engg-2018)0 AnswerA hollow circular shaft of inner radius 10 mm, outer radius 20 mm and length 1 m is to be used as a torsional spring. If the shear modulus of the material of the shaft is 150 GPa, the torsional stiffness of the shaft (in kN-m/rad) is ________ (correct to two decimal places).1 Answer
VTU SYLLABUS 2010 STRENGTH OF MATERIALS (COMMON TO CV/TR/EV/CTM) [10CV33] Engineering.CE2201 MECHANICS OF SOLIDS10me34 Mechanics of materialsCE2252 STRENGTH OF MATERIALSCE2251 SOIL MECHANICSCE 2404 PRESTRESSED CONCRETE STRUCTURE7 of Fire: StressCE2302 STRUCTURAL ANALYSIS I CE2257 STRENGTH OF MATERIALS LABORATORYCE2306 DESIGN OF RC ELEMENTS
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