In a shaft fibre orientation in the direction of prevailing stress can be obtained by

Related MCQs

• A solid shaft and a hollow shaft are to be of equal strength in torsion. The hollow shaft is to be 10% larger in diameter than the solid shaft. The ratio of the weight of the hollow shaft will be (both shafts being made of same material)
• A key and a shaft are made from the same material. The key is rectangular with a width of D/4 and a height of 3D/16. The shaft is under torsion only. The necessary length of the key for equal strength of the shaft and key will be
• A solid shaft of 100 mm diameter transmits 100 HP at (450/?) r.p.m. The torque in kg-m on the shaft would be
• If a square key and the shaft are to be of the same material and of equal strength, the length of key would be (d = dia. Of shaft)
• In a gas turbine rotor a radial stress of 300 kg/sq cm tensile and 500 kg/sq cm tangential stress have been found at a point. The maximum shear stress at this point would be
• The trunions of a mixing machine have an effective length of 30 cm and the weight coming on each trunion is 1250 kg. If the fibre stress is not to exceed 350 kg/sq-cm the diameter of the trunions should be
• Approximate horse power that can be transmitted by a shaft 60 mm diameter at 180 r.p.m. with permissible shear stress of 850 kg/cm2, would be
• A shaft subjected to combined bending and torsion can be designed by the following stress theory
• In a shaft, the shear stress is not directly proportional to
• With a punch for which the maximum crushing stress is 4 times the maximum shearing stress of the plate, the biggest hole that can be punched in the plate would be of diameter equal to