Structural Design ( RCC )

41) Curing period required is minimum for the concrete using

Discuss in Comment

Rapid hardening cement

42) In concrete mix design, allowance for bulking of sand is necessary in case of

Discuss in Comment

Volume batching only

43) Minimum water-cement ratio required for full hydration of cement is

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0.36

44) For a constant water-cement ratio, decrease in aggregate-cement ratio causes

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Increase in workability

45) Soundness test of cement by Le- Chatelier’s apparatus gives unsoundness due to

Discuss in Comment

Free lime only

46) If the angularity number of an aggregate is increased, then the workability of the concrete using this aggregate will

Discuss in Comment

Decrease

47) For a given aggregate content, increasing the water-cement ratio in concrete

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Increases shrinkage

48) Endurance limit of mild steel is approximately equal to

Discuss in Comment

0.5

49) Which of the following has high strength?

Discuss in Comment

Cold drawn wires

50) In a spherical dome the hoop stress due to a concentrated load at crown is

Discuss in Comment

Tensile everywhere

Subject Notes

Objective Box

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