The force which develops in a pressure conduit supported on trestles, is (A) Tension (B) Compression (C) Temperature stress (D) Flexural stress

The force which develops in a pressure conduit supported on trestles, is 

(A) Tension 

(B) Compression 

(C) Temperature stress 

(D) Flexural stress

by

1 Answer

Answer :

(D) Flexural stress

by

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The difference in the reservoir level and the lowest point of the water mains is 180 m. The expected pressure due to water hammer is 7.5 kg/cm2 in a pressure conduit of diameter 1 m. Assuming the efficiency of the riveted joints of the pipe as 0.6 and minimum cover 3 mm for corrosion, the thickness of the pipe materials, is (A) 10 mm (B) 15 mm (C) 20 mm (D) 25 mm

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Mass velocity in case of steady flow and through a constant cross￾section conduit is independent of the (A) Temperature (B) Pressure (C) Both (A) & (B) (D) Neither (A) nor (B)

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In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as (A) Consolidated drained test (B) Consolidated undrained test (C) Unconsolidated drained test (D) Unconsolidated undrained test

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Pick up the correct statement from the following: (A) An unconfined compression test is a special case of triaxial compression test (B) An unconfined compression test is a special case of direct shear test (C) The confining pressure is maximum during an unconfined compression test (D) The cylindrical specimen of a soil is subjected to major principal stress till it fails due to shearing along the plane of the failure

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When a rectangular beam is loaded transversely, the maximum compressive stress develops on (A) Bottom fibre (B) Top fibre (C) Neutral axis (D) Every cross-section

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The assumption in the theory of bending of beams is: (A) Material is homogeneous (B) Material is isotropic (C) Young's modulus is same in tension as well as in compression (D) All the above

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As compared to uniaxial tension or compression, the strain energy stored in bending is only (A) 1/8 (B) 1/4 (C) 1/3 (D) 1/2

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Pick up the correct assumption of the theory of simple bending (A) The value of the Young's modulus is the same in tension as well as in compression (B) Transverse section of a beam remains plane before and after bending (C) The material of the beam is homogeneous and isotropic (D) All the above

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The shear reinforcement in R.C.C. is provided to resist (A) Vertical shear (B) Horizontal shear (C) Diagonal compression (D) Diagonal tension

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The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called (A) Balanced sectionB) Economic section (C) Critical section (D) All the above

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In pre-stressed concrete (A) Forces of tension and compression change but lever arm remains unchanged (B) Forces of tension and compressions remain unchanged but lever arm changes with the moment (C) Both forces of tension and compression as well as lever arm change (D) Both forces of tension and compression as well as lever arm remain unchanged

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Pick up the correct statement from the following: (A) Plain cement concrete is equally strong in compression as well as in tension (B) Slump test is performed to check concrete strength (C) Curing of concrete is done for proper compaction of cement (D) Fineness modulus is the index number expressing the relative sizes of both coarse and fine aggregates

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Shear resistance of concrete in a reinforced concrete beam is dependent on (a) Tension reinforcement in the beam (b) Compression reinforcement in the beam (c ) Shear reinforcement in the beam (d) None of the reinforcements in the beam

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When the distance between centers of two adjacent rivets connecting the members subjected to either compression or tension exceeds the maximum pitch, then the additional rivets which are not subjected to the calculated stresses are known as (a) Packing rivets (b) Long-grip rivets (c) Tacking rivets (d) Auxiliary rivets

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In a singly reinforced concrete beam, as the load increases. (a) Only concrete will resist tension (b) Only steel bars will resist tension. (c) Both concrete and steel will resist tension. (d) Both concrete and steel will resist compression.

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In a singly reinforced concrete beam, if the load is vey small. (a) Only concrete will resist tension (b) Only steel bars will resist tension. (c) Both concrete & steel will resist tension. (d) Both concrete & steel will resist compression.

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The equilibrium equation for the condition that tension will be equal to the compression is given by [ A ] Compression in concrete = Tension in steel [ B ] Compression in concrete + Compression in steel = Tension in steel [ C ] Compression in concrete = Compression in steel [ D ] None of the above

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