Q. A block 100mm x 100mm base and 10mm height. What will the direct shear stress in the element when a tangential force of 10kN is applied to the upper edge to a displacement 1mm relative to lower face?

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Q. A beam is said to be of uniform strength, if ____________

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Q. Stress in a beam due to simple bending is ____________

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Q. Which stress comes when there is an eccentric load applied?

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Q. What is the expression of the bending equation?

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Q. On bending of a beam, which is the layer which is neither elongated nor shortened?

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Q. The bending stress is ____________

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Q. Consider a 250mmx15mmx10mm steel bar which is free to expand is heated from 15C to 40C. what will be developed?

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Q. The safe stress for a hollow steel column which carries an axial load of 2100 kN is 125 MN/m². if the external diameter of the column is 30cm, what will be the internal diameter?

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Q. During a tensile test on a ductile material ____________

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Q. When equal and opposite forces applied to a body, tend to elongate it, the stress so produced, is called ____________

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Q. Which of the following stresses are associated with the tightening of a nut on a bolt?

P. Tensile stress due to the streching of bolt
Q. Bending stress due to the bending of bolt
R. Torsional shear stress due to frictional resistance between the nut and the bolt

Select the correct answer using the codes given below.

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Q. In a tensile test, near the elastic limit zone ____________

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Q. The phenomenon of slow growth of strain under a steady tensile stress is called ____________

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Q. A rod 150cm long and of diameter 2cm is subjected to an axial pull of 20kN. What will be the stress?

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Q. The stress in a rod is 70 N/mm² and the modulus of elasticity is 2 x 10⁵ N/mm². what will be the strain in the rod?

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Q. What will be the minimum diameter of a steel wire, which is used to raise a load of 4000N if the stress in the rod is not to exceed 95 MN/m²?

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Q. A tensile test was conducted on mild steel bar. The load at elastic limit was 250kN and the diameter of the steel bar was 3cm. What will be the value of stress?

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Q. For keeping the stress wholly compressive the load may be applied on a circular column anywhere within a concentric circle of diameter _____________

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Q. Consider two bars A and B of same material tightly secured between two unyielding walls. Coefficient of thermal expansion of bar A is more than that of B. What are the stresses induced on increasing the temperature?

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