**951. The specific gravity of sands is approximately**

A.1.6

B.2

C.2.2**D. 2.6.**

**952. The shape of the bending moment diagram over the length of a beam, having no external load, is always****A. linear**

B. parabolic

C. cubical

D. circular.

**953. The shape of the bending moment diagram over the length of a beam, carrying a uniformly distributed load is always**

A. linear**B. parabolic**

C. cubical

D. circular.

**954. The shape of the bending moment diagram over the length of a beam, carrying a uniformly increasing load, is always**

A. linear

B. parabolic**C. cubical**

D. circular.

**955. The maximum bending moment due to a moving load on a simply supported beam, occurs**

A. at the mid span

B. at the supports**C. under the load**

D. anywhere on the beam

**956. For a simply supported beam with a central load, the bending moment is**

A. least at the centre

B. least at the supports

C. maximum at the supports**D. maximum at the centre.**

**957. The bending moment is maximum on a section where shearing force**

A. is maximum

B. is minimum

C. is equal**D. changes sign.**

**958. A beam is said to be of uniform strength, if**

A. B.M. is same throughout the beam

B. shear stress is same throughout the beam

C. deflection is same throughout the beam**D. bending stress is same at every section along its longitudinal axis.**

**959. The depth of the centre of pressure on a vertical rectangular gate (4 m wide, 3 m high) with water upto top surface, is**

A. 1.0 m

B. 1.5 m**C. 2.0 m**

D. 2.5 m.

**960. If the atmosphericyressure on the surface of an oil tank (sp. gr. 0.8) is 0.1 kg/cm, the pressure at a depth of 2.5 m, is**

A. 1 metre of water

B. 2 metres of water**C. 3 metres of water**

D. 3.5 metres of water

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