List of top Mechanical Engineering Questions on Mechanics asked in AP PGECET

The relationship between modulus of elasticity(E), Poisson's ratio(\(\mu\)) and bulk modulus(K) is given by
A thin cylindrical shell of diameter 'd', length 'l' and thickness 't' is subjected to an axial or internal pressure 'P'. What is the ratio of longitudinal strain to hoop strain in terms of Poisson's ratio (1/m)
The thermal stress in terms of modules of elasticity(E), co-efficient of thermal expansion(\(\alpha\)), Temperature(T) is given by
In the case of bi-axial state of normal stresses, the normal stress on 45\(^\circ\) plane is equal to ________.
In Mohr's circle for plane stress, what do the points on the circle represent?
A rod of steel of \(1\text{ cm}^{2}\) in cross-sectional area and \(100\text{ cm}\) long is subjected to an axial pull of \(20000\text{ N}\). If \(E = 20 \times 10^{6}\text{ N/cm}^{2}\), the elongation will be
A cantilever beam of rectangular cross section is subjected to a load W at its free end. If the depth of the beam is doubled and the load is halved, the deflection of the free end as compared to original deflection will be _______.
Two beams of equal cross sectional areas are subjected to equal bending moment. If one beam has square cross section and the other has circular section, then
A bar having a cross sectional area of $700\text{ mm}^2$ is subjected to axial loads at the positions indicated in figure. Find the value of stress in the segment QR?
A cylindrical vessel is said to be thin if the ratio of its internal diameter to the wall thickness is
The ratio of modulus of rigidity to modulus of elasticity for a Poisson's ratio of 1 would be
A solid uniform metal bar of diameter D and length L is hanging vertically from its upper end. The elongation of the bar due to self-weight is
The relationship between modulus of elasticity(E), Poisson's ratio(\(\mu\)) and bulk modulus(K) is given by
A thin cylindrical shell of diameter 'd', length 'l' and thickness 't' is subjected to an axial or internal pressure 'P'. What is the ratio of longitudinal strain to hoop strain in terms of Poisson's ratio (1/m)
The thermal stress in terms of modules of elasticity(E), co-efficient of thermal expansion(\(\alpha\)), Temperature(T) is given by
In the case of bi-axial state of normal stresses, the normal stress on 45\(^\circ\) plane is equal to ________.
In Mohr's circle for plane stress, what do the points on the circle represent?
A rod of steel of \(1\text{ cm}^{2}\) in cross-sectional area and \(100\text{ cm}\) long is subjected to an axial pull of \(20000\text{ N}\). If \(E = 20 \times 10^{6}\text{ N/cm}^{2}\), the elongation will be
A cantilever beam of rectangular cross section is subjected to a load W at its free end. If the depth of the beam is doubled and the load is halved, the deflection of the free end as compared to original deflection will be _______.
A bar having a cross sectional area of $700\text{ mm}^2$ is subjected to axial loads at the positions indicated in figure. Find the value of stress in the segment QR?
Two beams of equal cross sectional areas are subjected to equal bending moment. If one beam has square cross section and the other has circular section, then
A cylindrical vessel is said to be thin if the ratio of its internal diameter to the wall thickness is
The ratio of modulus of rigidity to modulus of elasticity for a Poisson's ratio of 1 would be
A solid uniform metal bar of diameter D and length L is hanging vertically from its upper end. The elongation of the bar due to self-weight is