41. When a bar is subjected to a change of temperature and its deformation is prevented. Which of the following stresses is induced?

- Shear stress
- Thermal stress
- Compressive stress
- Tensile stress

42. A localised compressive stress at the area of contact between two members is known as

- Shear
- Crushing
- Bending
- Tensile

43. The stress induced in a body, when subjected to two equal and opposite forces which are acting tangentially across the section is known as

- Compressive stress
- Tensile stress
- Shear stress
- Bending stress