Change the shape of the beam

Effect the saving in material

Equalise the strength in tension and compression

Increase the cross-section of the beam

**Which of the following statement is correct?****When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear…****The weakest section of a diamond riveting is the section which passes through****Formula based on IS codes is based on****One molecule of oxygen consists of __________ atoms of oxygen.****The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is always…****The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and…****The atomic mass of nitrogen is __________ oxygen.****In the tensile test, the phenomenon of slow extension of the material, i. e. stress increasing with…****In a reversible adiabatic process, the ratio of T1/T2 is equal to****A column that fails due to direct stress, is called****A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear…****Which of the following statement is correct?****The measurement of a thermodynamic property known as temperature is based on****The state of stress at a point in a loaded member is shown in the below figure. The magnitude of maximum…****A cycle consisting of two isothermal and two isentropic processes, is known as****The variables which control the physical properties of a perfect gas are****The absolute zero pressure can be attained at a temperature of****The value of one bar (in S. I. units) is equal to****The hard coke is obtained when carbonisation of coal is carried out at****One kg of carbon requires 4/3 kg of oxygen and produces __________ kg of carbon monoxide gas.****The efficiency of Diesel cycle increases with****The stress necessary to initiate yielding is****The pull required to crush the rivet per pitch length is****When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with…****The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease…****The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as****The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio)****The increase in entropy of a system represents****When shear force at a point is zero, then bending moment is _________ at that point.**