SITUATION 3: A solid shaft in a rolling mill transmits 20 kW at 2rev/s. The length of shaft is 3 m long and modulus of rigidity G 83 GPa 9. Which of the following gives the torque carried by the shaft? a. 1.59 kN.m c. 3.45 kN.m b. 2.69 kN.m d. 4.81 kN.m 10. Which of the following gives the minimum diameter so that the allowable torsional shearing of 40MPA will not be exceeded? a. 88 mm C. 45 mm b. 59 mm d. 76 mm

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.