Strength of Materials

221. The maximum deflection of a simply supported beam of length L with a central load W, is

1. WL²/48EI
2. W²L/24EI
3. WL³/48EI
4. WL²/8EI

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222. The maximum frictional force which comes into play when a body just begins to slide over another surface is called

1. Limiting friction
2. Sliding friction
3. Rolling friction
4. Kinematic friction

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223. The maximum load to which a fillet joint of length 'L' can be subjected to, is

1. 0.7 × S × fillet size × L
2. 2 × S × fillet size × L
3. Permissible shear stress × fillet size × L
4. (S × fillet size × L)/3

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224. The maximum resistance against rotation, is offered by the weld at a point

1. Most distant
2. Least distant
3. At either end
4. Centrally located

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225. The maximum stress intensity due to a suddenly applied load is x-times the stress intensity produced by the load of the same magnitude applied gradually. The value of x is

1. 1
2. 2
3. 3
4. 43497

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226. The minimum number of rivets for the connection of a gusset plate, is

1. 1
2. 2
3. 3
4. 4

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227. The moment diagram for a cantilever carrying a concentrated load at its free end, will be

1. Triangle
2. Rectangle
3. Parabola
4. Cubic parabola

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228. The moment diagram for a cantilever carrying linearly varying load from zero at its free end and to maximum at the fixed end will be a

1. Triangle
2. Rectangle
3. Parabola
4. Cubic parabola

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229. The moment diagram for a cantilever which is subjected to a uniformly distributed load will be a

1. Triangle
2. Rectangle
3. Parabola
4. Cubic parabola

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230. The moment diagram for a cantilever whose free end is subjected to a bending moment, will be a

1. Triangle
2. Rectangle
3. Parabola
4. Cubic parabola

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