May 2012
Intermediate to advanced
485 pages
10h 45m
English
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QUESTIONS
- What is stiffness of a shaft? Why a hollow shaft is preferred over a solid shaft?
- Define torsional rigidity of a shaft. How a moment is applied to produce torque in a shaft?
- Define polar moment of inertia and polar modulus. Give the polar modulus for solid circular shaft and a hollow shaft.
- What is strain energy? How strain energy of a circular shaft is calculated?
- How the power transmitted by a shaft is computed?
- A solid shaft has to transmit 360 kW power at 120 rpm. The shaft must not be stressed beyond 70 MPa and must not twist more than 1° in a length of 4 m. Select the suitable diameter. G = 80 GPa.
- A solid shaft of 2.5 m length of 4 cm diameter is rigidly fixed at the ends. At a distance of 1.5 m from one end, a twisting moment ...