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

View solution

Q. What is the expression of the bending equation?

View solution

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

View solution

Q. The bending stress is ____________

View solution

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

View solution

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?

View solution

Q. During a tensile test on a ductile material ____________

View solution

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

View solution

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.

View solution

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

View solution

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

View solution

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

View solution

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?

View solution

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?

View solution

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?

View solution

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

View solution

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?

View solution

Q. What will be the unit of compressive stress?

View solution

Q. A cast iron T section beam is subjected to pure bending. For maximum compressive stress to be 3 times the maximum tensile stress, centre of gravity of the section from flange side is ____________

View solution

Q. A solid circular shaft of diameter d is subjected to a torque T. the maximum normal stress induced in the shaft is ____________

View solution