For the stepped rod shown in Fig. 1.3,the in .

Related MCQs

• For the stepped rod shown in Fig. 1.3, the stress is maximum in .
• The axially loaded composite rod shown in Fig. 1.2 has a uniform cross- sectional area of 500 mm 2 . The modulii of elasticity are Est = 200 GPa, Eal = 70 GPa and Ecu = 120 GPa. The change in length of the composite rod is mm.
• The axially loaded composite rod shown in Fig. 1.2 has a uniform cross- sectional area of 500 mm 2 . The modulii of elasticity are Est = 200 GPa, Eal = 70 GPa and Ecu = 120 GPa. The change in length of CD is mm.
• If an axial force of 15 kN is applied to a rod of 25 mm diameter, length 300 mm, the change in length of the rod was observed to be 0.045 mm. The modulus of elasticity of the material is 200 GPa. The strain in the rod will 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
• A copper rod 15 mm diameter 0.8 m long is heated through 50?C. The expansion of the rod is prevented by gripping it at both ends. When the grips do not yield, the stress in rod is 115 N/mm2 and forces applied at the grips are 20 kN. In case one of the grip yields by 0.5 mm
• The axial force in the portion AB of the member shown in Fig. 1.1 is kN.
• If the member shown in Fig. 1.1 has a square cross section of 25 mm 25 mm and E = 200 GPa, the change in length of portion AB is              mm.
• The axial force in the portion BC of the member shown in Fig. 1.1 is kN.
• If the member shown in Fig. 1.1 has a square cross section of 25 mm 25 mm and E = 200 GPa, the change in length of portion CD is ------mm