How to answer these questions?

• shade343

  13 Dec 05, 00:20

  When cement is mixed on the building site, it is important that the consistency and setting time of the cement are correct. Explain:
  ( a ) the tests that may be carried out to determine the consistency and setting time of cement.
  ( b ) why it is important that the consistency and setting time are correct.
  
  Portland cement is a fine, dry grey powder. However, when we see concrete in buildings it is a hard, strong and solid material. Explain the process which causes this transformation in cement.
  
  List the functions of aggregates in concrete
  
  Any ideas on how to answer the aboe questions?
• shade343

  13 Dec 05, 00:40

  NO one knows?
• foga

  13 Dec 05, 00:50

  is it like making cakes?
  
  too much flour, cake too hard ( waste flour = waste $ )
  
  too much liquid , cake bake liao become kueh...
  
  baking time short, cake turns out soggy
  
  bake too long, cake comes out chao tah...
• dragg

  13 Dec 05, 01:00

  google it lah or go to our 200 million dollar research library.
  
  next time if you want lots of replies ask s e x-related questions.
  
  
• shade343

  13 Dec 05, 13:23

  NObodyelse knows?
• mrsmall

  13 Dec 05, 13:30

  email to BCA
  they answer for you
• alexkusu

  13 Dec 05, 13:32

  Your chemistry questions ah? Give them the Plaster of Paris example
• shade343

  13 Dec 05, 13:37

  Originally posted by alexkusu:

  Your chemistry questions ah? Give them the Plaster of Paris example

  Its construction Technology and Building Materials.
• de_middle

  13 Dec 05, 15:39

  U thinking of going into construction industry??? Sunset industry liao, no hope
  
  Cement mix with sand & water = concrete
  
  That's as much as i know.
• shade343

  14 Dec 05, 00:30

  Originally posted by de_middle:

  U thinking of going into construction industry??? Sunset industry liao, no hope
  
  Cement mix with sand & water = concrete
  
  That's as much as i know.

  Asia is projected to have another construction boom. IRs are coming. And besides, take alook round singapore, do you see any places that are currently unaffected by construction?
• matrixeg

  14 Dec 05, 00:34

  Originally posted by shade343:

  When cement is mixed on the building site, it is important that the consistency and setting time of the cement are correct. Explain:
  ( a ) the tests that may be carried out to determine the consistency and setting time of cement.
  ( b ) why it is important that the consistency and setting time are correct.
  
  Portland cement is a fine, dry grey powder. However, when we see concrete in buildings it is a hard, strong and solid material. Explain the process which causes this transformation in cement.
  
  List the functions of aggregates in concrete
  
  Any ideas on how to answer the aboe questions?

  why you ask so many questions....
  go Play Chinese Chess to clear your mine of all these unnecessary things.