Approximate horse power that can be transmitted by a shaft 60 mm dimeter at 180 rpm with permissible shear stress of 850 kg/cm2 would be

Related MCQs

• A shaft running at 300 rpm is required to transmit 300 horse power. The working stress in shear is 420 kg/cm2. The diameter of the shaft whould be in the range
• Two shafts of the same material are subjected to the same torque. If the first shaft is of solid circular section and the second shaft is of hollow section whose internal diameter is 2/3 of the outside diameter, the ratio of weights of hollow shaft to solid shaft would 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
• Two shafts 'A' and 'B' have the same material. The shaft 'A' is solid of diameter 100 mm. The shaft 'B' is hollow with outer diameter 100 mm and inner diameter 50 mm. The torque transmitted by shaft 'B' is
• A steel shaft 6 mm in diameter turns at 10,000 r.p.m. the safe working stress in shear is 350 kg/cm2. The maximum power that such a shaft may develop is approximately
• A solid circular shaft of diameter D carries are axial load W. If the same load is applied axially on a hollow circular shaft of inner diameter D/2, the ratio of stress in a solid shaft to a hallow one is
• When a shaft is subjected to torsion, the shear stress induced in the shaft varies from
• If this shaft is to be replaced by a hollow shaft of texternal diameter 22 mm for the same maximum shear stress and same torque, the internal diameter will be
• The ratio of maximum shear stress to average shear stress in case of a circular beam transmitting power is equal to
• A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be