A free bar of length 1 m is uniformly heated from 0°C to a temperatur – McqOptions

MCQOPTIONS

1.	A free bar of length 1 m is uniformly heated from 0°C to a temperature t°C. If α is the coefficient of linear expansion and E is the Modulus of Elasticity. The stress in the bar is
A.	αTE
B.	E/αT
C.	Zero
D.	None of the above
Answer» D. None of the above

Discussion

No Comment Found

Related MCQs

Which of the following is found out by calculating the area under the stress strain graph?
Greater the angle of inclination of the stress strain curve less is the elasticity.
Stress strain curve for cemented tungsten carbide is:
If the Poisson’s ratio is given as 0.3 and the Young’s modulus is given to 7e10. What will be the value for shear modulus?
Which of the following can be the value of Poisson’s ratio for an engineering structure?
Given the shear modulus(G) for aluminum as 2.4e+10 N/m2 and the shear strain is given as 6e-5. What is the value for shear stress?
Which of the following relation is stated by Hooke’s law?
Up to which point on the stress-strain curve is Hooke’s law valid?
A body of weight mg is hanging on a string that extends in length by l. The work done in extending the string is ___________
Which of the following have well defined geometrical external shapes?