61. Shear strength of the welded joint for double parallel fillet is (where $$\tau $$ = Allowable shear stress for weld metal)
62. The tensile strength of the welded joint for double fillet is (where s = Leg or size of the weld, $$l$$ = Length of weld and $${\sigma _{\text{t}}}$$ = Allowable tensile stress for weld metal)
63. A thin cylindrical shell of diameter (d), length ($$l$$) and thickness (t) is subjected to an internal pressure (p). The hoop stress in the shell is
64. A thin cylindrical shell of diameter (d) length ($$l$$) and thickness (t) is subjected to an internal pressure (p). The longitudinal stress in the shell is
65. Shear modulus is the ratio of
66. Modular ratio of the two materials is the ratio of
67. Modular ratio of two materials is the ratio of
68. If the radius of wire stretched by a load is doubled, then its Young’s modulus will be
69. For which material the Poisson's ratio is more than unity
70. The value of modulus of elasticity for mild steel is of the order of
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