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Q: Which of the following is/are used to measure the workability of lime?
  • A. Standard flow table and a truncated conical mould
  • B. Autoclave apparatus
  • C. Vicat's apparatus
  • D. Slump cone test
Correct Answer: Option A - Workability test on building lime is carried out in the standard flow table. • To test the hydrated lime, at a temperature of 500g of hydrated lime is mixed with an equal mass of water. This mixture is allowed to stand for 24 hours. The material is allowed twice to pass through the mixer, to make form of plastic putty. • The lower part of the lime putty is spread to 9' thickness of 110 mm when it is subjected to a bump in the standard flow table. No deviation more than 1 mm is expected.
A. Workability test on building lime is carried out in the standard flow table. • To test the hydrated lime, at a temperature of 500g of hydrated lime is mixed with an equal mass of water. This mixture is allowed to stand for 24 hours. The material is allowed twice to pass through the mixer, to make form of plastic putty. • The lower part of the lime putty is spread to 9' thickness of 110 mm when it is subjected to a bump in the standard flow table. No deviation more than 1 mm is expected.

Explanations:

Workability test on building lime is carried out in the standard flow table. • To test the hydrated lime, at a temperature of 500g of hydrated lime is mixed with an equal mass of water. This mixture is allowed to stand for 24 hours. The material is allowed twice to pass through the mixer, to make form of plastic putty. • The lower part of the lime putty is spread to 9' thickness of 110 mm when it is subjected to a bump in the standard flow table. No deviation more than 1 mm is expected.