A.30 tonnes
B.40 tonnes
C.50 tonnes
D.60 tonnes
E.75 tonnes
Related Mcqs:
- A bolt of nominal diameter 33 mm having a safe tensile stress of 100 N/mm2 can safely carry a load of
- In a universal testing machine during the testing of a specimen of original cross-sectional area 1 cm2 the maximum load appliied was 7.5 tonnes and neck area 0.6 sq. cm. The ultimate tensile strength of the specimen is
- It is desired to punch a hole of 20 mm diameter in a plate 20 mm think. If the shear stress of mild steel is 30 kg/mm2, the force necessary for punching would be approximately in the range
- Two shafts are made of mild steel one having circular cross-section and the other shaft is hollow circular with inner diameter half of the outer diameter. The ratio of the torque that can be transmitted in two cases will be
- A foundation bolt with a circular end is secured to the floor by means of a steel cotter. If the pull on the bolt is 14000 kg, the diameter of the bolt should be
- A prismatic steel bar 25 cm long is subjected to axial compressive force of 2000 kg. For steel E = 2 x 106 kg/cm2. The ratio of strain energy when the cross-sectional area is 25 sq. cm to that when the cross-section area is 12.5 sq cm, would be
- Two rods A and B are subjectd to equal load P. Rod A is tapering with bigger diameter D at the support and small end diameter as D/2. Rod B is of uniform cross section with diameter D. The ratio of elongation of rod A to that of B would be
- The safe working pressure for a spherical vessel 1.5 m diameter and 1.5 cm wall thickness with limiting tensile stress of 450 kg/cm2 would be
- A jack having 2 cm as the diameter of the screw at the root of the thread, may be expected to safely lift a load of about
- Ultimate tensile strength is least in case of mild steel and is of the order of
