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P.1.9. A bar of mild steel has a diameter of 75 mm and is placed inside...
Q2. A hollow mild steel column has 25mm thickness and is 20cm in external diameter with...
Q2. A hollow mild steel column has 25mm thickness and is 20cm in external diameter with 6m length. The modulus value for mild steel is 1.2 x 106 N/mm² and this column is hinged at both ends find the Euler's crushing load and compare the load with the crushing load given by the Rankine's formula Determine for what length these two formulae will give the same crushing load? Finally Calculate the critical stresses for the series of strut having slenderness...
A hollow circular steel shaft has a 100-mm outside diameter and a 75-mm inside diameter. Calculate...
A hollow circular steel shaft has a 100-mm outside diameter and a 75-mm inside diameter. Calculate the allowable torque that can be transmitted if the allowable shear stress is 62 MPa. When the allowable torque is applied, calculate the shear stress at the inner surface of the shaft.
A steel bar , area 625 mm^2 , is embedded in block of concrete 100mm ×...
A steel bar , area 625 mm^2 , is embedded in block of
concrete 100mm × 100mm. The length of both the steel bar and
concrete block is 300 mm . Assuming a value of 210kN/mm^2 for young
modulus for steel and 14 kN/mm^2 for concrete , determine the load
carried by the steel and the load carried by the concrete , if the
combined section is subject to a compressive load of 5kn . assume
that there os no...
1. A solid steel bar of diameter d; = 25.0 mm is enclosed by a steel...
1. A solid steel bar of diameter d; = 25.0 mm is enclosed by a steel tube of outer diameter d3 = 37.5 mm and inner diameter d2 = 30.0 mm (see figure). Both bar and tube are held rigidly by a support at end A and joined securely to a rigid plate at end B. The composite bar has a length L = 600 mm and is twisted Tube by a torque T = 400 N-m acting on the...
the hollow tube down has an outside diameter of 45 mm and an inside diameter of...
the hollow tube down has an outside diameter of 45 mm
and an inside diameter of 40 mm. the tube is made of an aluminum
alloy with a minimum yield strength of 280 MPa. the bending load is
F =1.5 kN, the axial load is P = 10kN and the twisting moment is T
= 70 N-m. Determine the factor of safety based on the stress at
point A using (a) the maximum shear stress theory and (b) the
distortion...
Engineering materials b) A mild steel rod of 4 cm diameter was tested for tensile strength...
Engineering materials
b) A mild steel rod of 4 cm diameter was tested for tensile strength with the gauge length of 60 mm. The following observations were recorded: Final length = 9 cm; Final diameter = 8 mm; Yield load – 5.4 kN and Ultimate load – 8.1 KN. (4 Marks) Calculate 1. Yield stress (1 Mark) 2. Ultimate tensile stress (Mark) 3. Percentage reduction in area. (1 Mark) 4. Percentage elongation (IMark)
of a brass core (diameter d, -8 mm) surrounded by a steel shell (inner diameter d2...
of a brass core (diameter d, -8 mm) surrounded by a steel shell (inner diameter d2 8.75 mm, outer diameter d -10 mm), topped by a rigid cap. A load P compresses the core and shell, which have length L 120 mm. The moduli of elasticity of the brass and steel are Eb- 101 GPa and E 200 GPa, respectively. a) What load P will compress the assembly by 0.104 mm? b) If the compressive yield stress of the brass...
the ans is Steel,25.1N/m2(c) ,brass,35.6N/mm2(c) 19 A brass sleeve having an outside diameter of 40 mm...
the ans is Steel,25.1N/m2(c) ,brass,35.6N/mm2(c)
19 A brass sleeve having an outside diameter of 40 mm is screwed on to a steel stud such that the mean interface diameter is 24 mm. The ends of the assembly are then machined so that the two materials are the same length. If the temperature of the assembly is increased by 60°C and the assembly is then subjected to a compressive force of 40 kN, calculate the magnitude and sense of the stresses...
please answer 18.11 and 18.12 18.11 A steel ring with an outside diameter of 150 mm and an inside diameter of 100 mm...
please
answer 18.11 and 18.12
18.11 A steel ring with an outside diameter of 150 mm and an inside diameter of 100 mm is shrunk onto another steel ring with an inside diameter of 50 mm. An axial force of 56,54 kN is needed to push the rings apart. Calculate the pressure at the mating surface and the shrinkage allowance given that both rings are 20 mm thick and the coefficient of friction between the mating surfaces is 0,2. Using...
4. The composite bar consists of a 20-mm diameter steel segment AB and 50-mm diameter brass...
4. The composite bar consists of a 20-mm diameter steel segment AB and 50-mm diameter brass end segments DA and CB. Find the stress on each segment due to the applied loads. E of steel is 200 GPa and E of brass is 101 GPa. 250mm 250mm 250mm 50mm 50mm 20mm 75kN 100KN steel brass brass DA 75KN 100KN B
Q2. A hollow mild steel column has 25mm thickness and is 20cm in external diameter with 6m length. The modulus value for mild steel is 1.2 x 106 N/mm² and this column is hinged at both ends find the Euler's crushing load and compare the load with the crushing load given by the Rankine's formula Determine for what length these two formulae will give the same crushing load? Finally Calculate the critical stresses for the series of strut having slenderness...
A steel bar , area 625 mm^2 , is embedded in block of
concrete 100mm × 100mm. The length of both the steel bar and
concrete block is 300 mm . Assuming a value of 210kN/mm^2 for young
modulus for steel and 14 kN/mm^2 for concrete , determine the load
carried by the steel and the load carried by the concrete , if the
combined section is subject to a compressive load of 5kn . assume
that there os no...
1. A solid steel bar of diameter d; = 25.0 mm is enclosed by a steel tube of outer diameter d3 = 37.5 mm and inner diameter d2 = 30.0 mm (see figure). Both bar and tube are held rigidly by a support at end A and joined securely to a rigid plate at end B. The composite bar has a length L = 600 mm and is twisted Tube by a torque T = 400 N-m acting on the...
the hollow tube down has an outside diameter of 45 mm
and an inside diameter of 40 mm. the tube is made of an aluminum
alloy with a minimum yield strength of 280 MPa. the bending load is
F =1.5 kN, the axial load is P = 10kN and the twisting moment is T
= 70 N-m. Determine the factor of safety based on the stress at
point A using (a) the maximum shear stress theory and (b) the
distortion...
Engineering materials
b) A mild steel rod of 4 cm diameter was tested for tensile strength with the gauge length of 60 mm. The following observations were recorded: Final length = 9 cm; Final diameter = 8 mm; Yield load – 5.4 kN and Ultimate load – 8.1 KN. (4 Marks) Calculate 1. Yield stress (1 Mark) 2. Ultimate tensile stress (Mark) 3. Percentage reduction in area. (1 Mark) 4. Percentage elongation (IMark)
of a brass core (diameter d, -8 mm) surrounded by a steel shell (inner diameter d2 8.75 mm, outer diameter d -10 mm), topped by a rigid cap. A load P compresses the core and shell, which have length L 120 mm. The moduli of elasticity of the brass and steel are Eb- 101 GPa and E 200 GPa, respectively. a) What load P will compress the assembly by 0.104 mm? b) If the compressive yield stress of the brass...
the ans is Steel,25.1N/m2(c) ,brass,35.6N/mm2(c)
19 A brass sleeve having an outside diameter of 40 mm is screwed on to a steel stud such that the mean interface diameter is 24 mm. The ends of the assembly are then machined so that the two materials are the same length. If the temperature of the assembly is increased by 60°C and the assembly is then subjected to a compressive force of 40 kN, calculate the magnitude and sense of the stresses...
please
answer 18.11 and 18.12
18.11 A steel ring with an outside diameter of 150 mm and an inside diameter of 100 mm is shrunk onto another steel ring with an inside diameter of 50 mm. An axial force of 56,54 kN is needed to push the rings apart. Calculate the pressure at the mating surface and the shrinkage allowance given that both rings are 20 mm thick and the coefficient of friction between the mating surfaces is 0,2. Using...
4. The composite bar consists of a 20-mm diameter steel segment AB and 50-mm diameter brass end segments DA and CB. Find the stress on each segment due to the applied loads. E of steel is 200 GPa and E of brass is 101 GPa. 250mm 250mm 250mm 50mm 50mm 20mm 75kN 100KN steel brass brass DA 75KN 100KN B
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