A.5 mm
B.7.5 mm
C.10 mm
D.12 mm
E.15 mm
Related Mcqs:
- A thin cylinder contains fluid at a pressure of 30 kg/cm2, the inside diameter of the shell is 60 cm and the tensile stress in the material is to be limited to 900 kg/cm2. The shell must have minimum wall thickness of
- A thin cylinder contains fluid at a pressure of 30 kg kg/cm2, the internal diameter of the shell is 60 cm and the tensile stress in the material is to be limited to 900 kg/cm2. The shell must have a minimum wall thickness of
- A seamless water main 1 metre in diameter is required to carry wter under a head of 100 metres. If the maximum permissible tensile stress in the metal is 500 kg/cm2, the thickness of metal required would be
- A spherical metal vessel 120 cm diameter is subjected to an internal pressure of 15 kg/sq cm. If the permissible stress is 625 kg/sq cm and the efficiency of the riveted joints is 75%, the required thickness of the plate would be
- A short, hollow cast iron cylinder with a wall thickness of 1 cm is to carry a compressive load of 10 tonnes. If the working stress in compression is 800 kg/cm2, the outside diameter of the cylinder should not be less than
- Four piezometer openings in the same cross-section of a cast iron pipe indicate the following pressure for simultaneous reading: 43, 42.6, 42.4 37 mm Hg. What value should be taken for the pressure?
- A boiler shell 280 cm diameter and plate thickness 12 mm is subjected to an internal pressure of 1.2 MN/m2. The hoop stress will be
- Two steel shaft each of length L and outside diameter D are subjected to uniform torsion. The first shaft is solid while the second one is hollow with inside diameter D/2. The ratio of the strain energies that these two shafts can absorb without exceeding a maximum allowable shear stress, would be
- A compressed air cylinder carries approximately 70 kg/cm2 pressure at the time of delivery. The inside diameter is 25 cm. If the steel has a yield point of 2300 kg/sq cm and a safety factor of 2.5 the wall thickness should be
- A boiler shell 100 cm diameter and plate thickness 12 mm is subjected to an internal pressure of 1.2 N/m2. The hoop stress will be
