Concrete Technology MCQs

Civil Engineering Objective Questions

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155. The operation of removing humps and hollows of uniform concrete surface, is known as

156. The ratio of the length to breadth of a wooden float, is

157. Construction joints are provided

A. where BM and SF are small

B. where the member is supported by other member

C. at 18 m apart in huge structures

D. all the above

158. The surface where two successive placements of concrete meet, is known as

A. Contraction joint

B. Expansion joint

C. Construction joint

D. both A and B

159. A construction joint is provided where

A. bending moment is small

B. shear force is small

C. the member is supported by other member

D. all the above

160. Horizontal construction joints in concrete walls are generally provided at

A. soffit level

B. window sill level

D. all the above

161. Pick up the correct statement from the following :

A. Construction joints in columns are provided a few cm below the junction of beam

B. Construction joints in columns are provided at the bottom haunching

C. Construction joints in beams and slabs are provided within middel third

D. All the above

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