A.10 – 15 tonnes
B.15 – 20 tonnes
C.20 – 25 tonnes
D.25 – 35 tonnes
E.35 – 40 tonnes
Related Mcqs:
- For punching a hole of 25 mm diameter in a plate 20 mm thick, if the shear stress of plate material is 30 kg/mm2, the force required would be
- A sheet metal 2 mm thick having a shear strength of 40 kg/cm2 is to receive a punch hole of 35 mm diameter. The force required to make the punching will be
- 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
- A mild steel bolt of net cross-sectional area 8.4 sq. cm, diameter 37 will be safe to take a tensile load of about
- 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
- In case of biaxial stress system when a member is subjected to tensile stresses in two perpendicular directions the maximum shear stress in case of mild steel occurs on a plane inclined at
- A spherical gas tank is made of 1 cm steel plate hemispheres but welded together. The tank is 1503 cm in diameter. The allowable internal pressure to which tank may be subjected is the permissible stress be limited to 840 kg/sq cm would be in the range
- 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 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
- 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
