Structural Design ( RCC )

151) The decrease in stress caused in a prestressed beam at constant strain is called

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relaxation

152) Strain in concrete at zero stress is called

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shrinkage

153) An increase in strain in a concrete member at constant stress is called

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creep loss

154) The approximate allowable stress in bending compression in reinforced concrete is

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0.336fck

155) The approximate allowable stress in axial compression in reinforced concrete is ,Where fck is the characteristic strength of concrete

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0.25fck

156) The minimum quantity of cement content needed in one m3 of a reinforced concrete which is exposed to sea weather conditions (in kg)

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350

157) The minimum quantity of cement content needed in one m3 of a reinforced concrete which is not directly exposed to weather is about (in kg)

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250

158) The ratio of the compressive strength of concrete is structure to the characteristic strength of concrete in cube is equal to

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0.67

159) The maximum diameter of the reinforcement bars in R.C.C. slabs is

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thickness of slab/ 8

160) The ultimate tensile stress of medium tensile deformed bars should be (in N/mm2)

Discuss in Comment

greater than 450

Subject Notes

→ Hydraulics → Structural Design-RCC → Irrigation Engineering → Highway Engineering → Engineering Survey → Water supply & sanitary → Soil Mechanics → Mechanics and structure → Construction Management → Building Construction → Estimating and Costing → Engineering Drawing → Building Material → Airport Engineering

Objective Box

→ Airport Engineering → Building Construction → Construction Management → Construction Materials → Engineering Drawing → Engineering Survey → Estimating and Costing → Highway Engineering → Fluid & Hydraulics → Soil Mechanics → Structural Design - RCC → Water Supply and Sanitary → Irrigation Engineering → Mechanics and Structure → Civil MCQ Set 1 → Civil MCQ Set 2 → Civil MCQ Set 3 → Civil MCQ Set 4

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