Lame's equation is used to find stresses in

An air vessel has circumferential stress of 267.75 N/mm²; longitudinal stress of 133.875 N/mm²; value of Young's modulus E = 2.1 x 10⁵ N/mm², Poisson's ratio m = 0.3: value of the circumferential strain will be

Which of the following is the formula for circumferential stress in a thin-walled cylinder? (Where d = diameter of shell and t = thickness of shell)

A thin seamless pipe of diameter 'd' m is carrying fluid under a pressure of 'p' kN/cm². If the maximum stress is not exceed 'ơ' kN/cm², the necessary thickness 't' of metal in cm will be given as

A boiler of 1.6 m diameter is made of a 20-mm thick plate. What will be the permissible steam pressure in the boiler in the maximum tensile stress in the plates must NOT exceed 80 MPa?

In an internally pressurized thick cylinder

A cylindrical pipe of diameter 1.5 m and thickness 1.5 cm is subjected to internal fluid pressure of 1.2 N/mm². Determine the longitudinal stress developed in the pipe.

Ratio of longitudinal stress to hoop stress in a thin cylinder is

Which of the following is not a real-life application of thin-walled pressure vessels?

The distribution of stresses in a thick spherical shell are:

A thick cylinder is subjected to an internal pressure of 60 MPa. Hoop stress on the outer surface is 150 MPa. Hoop stress on the internal surface is

a seamless pipe of 600 mm diameter contains a fluid pressure of 3 N/mm². If permissible tensile stress is 120 N/mm², what will be the minimum thickness of the pipe?

What is the maximum possible radius of a sphere of thickness 1 cm made of a metal with maximum allowable stress as 90 MPa that can hold an internal pressure of 15 MPa without failing ?

Hoop stress in thin walled cylinder is

For a rivetted thin cylindrical shell of internal diameter (d), thickness of shell wall (t) and internal pressure (P) with efficiency of longitudinal joint (μi); the hoop stress (σc) will be given by:

A thin walled cylindrical vessel of wall thickness 't' and diameter 'd' is filled with gas to a gauge pressure of p, the maximum shear stress on the pressure wall will be

A thick cylinder with 10 mm internal diameter and 20 mm external diameter, is subjected to an internal fluid pressure of 60 MPa. The hoop stress at the inner surface is

A seamless pipe having a diameter of 600 mm and thickness of 9 mm, contain the fluid under a pressure of 4 MPa, find the longitudinal stress developed in the pipe.

A thin cylinder of 'D' internal diameter, is subjected to an internal pressure of 'P'. If the permissible tensile stress is σt, the cylinder wall thickness should be

Determine the axial strain in the cylindrical wall at the mid depth, when the Young's modulus and the Poisson's ratio of the container material is 200 GPa and 0.6 respectively. The axial and the circumferential stress are equal and its value is 20 MPa.

Calculate the circumferential stress on a thin-walled pressure tank that experiences an internal pressure of 4 MPa and external pressure of 2.5 MPa. The tank is 50 mm thick with a diameter of 200 mm.

What is the volumetric strain in the thin cylinder subjected to internal pressure having hoop stress of 200 MPa, modulus of elasticity, E = 200 GPa and Poisson's ratio = 0.25?

If X is the circumferential stress and Y is the longitudinal stress with reference to a thin-walled pressure vessel, then which of the following is TRUE?

Water is flowing in a pipe of 200 cm diameter under a pressure head of 10000 cm. The thickness of the pipe wall is 0.75 cm. The tensile stress in the pipe wall in MPa is:

The maximum value of the shear stress in the thin walled cylindrical vessel of diameter d and subjected to internal pressure P is given as

For a thin spherical shell subjected to internal pressure, the ratio of volumetric strain to diametrical strain is.

The Hoop stress developed in the thin cylinders is given by- (where P = Internal pressure, d = Internal diameter and t =wall thickness)

In a thick cylinder pressurized from inside, the hoop stress is maximum at :