PQP f
2w- Describe briefly the following tests of lime:
(a) Field tests (b) Workability
(c) Soundness (d) Popping and pitting test - Write short notes on
(a) Use of lime as a building material
(b) Slaking of lime
(c) Storage of lime
(d) Lime putty - (a) State the chief impurities in limestones? How do they affect the properties of lime?
(b) Describe the various tests performed to assess the suitability of lime as cementing
material. - Describe the following briefly:
(a) Effect of heat on limestone
(b) Lime mortar
(c) Setting action of fat lime
(d) Transverse strength test of lime
(e) Field tests of lime - Enumerate the classification of lime and discuss briefly the main characteristics of each of
them. - (a) Which will you recommend lime for white washing and plastering? Give the reasons
for the choice.
(b) Describe briefly the manufacture of lime.
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- Pick up the correct statement(s)
(1) CaCO 3 is the raw material for manufacturing lime
(2) Kankar is an impure limestone
(3) Coral for manufacturing lime is a sea animal
Of the above the correct statement(s) is (are)
(a) 1, 2 (b) 2, 3 (c) 1, 2, 3 (d) 1 only - Which of the following is caustic lime?
(a) Quick lime (b) Fat lime (c) Milk lime (d) Hydraulic lime - Quick lime coming out of the kiln is also known as
(a) hydrated lime (b) lump lime (c) fat lime (d) hydraulic lime - Hydrated lime for making mortars is slaked for
(a) 1 day (b) 3 days (c) 7 days (d) 14 days - Which of the following is not used for producing fat lime?
(a) Oolitic limestone (b) Calcareous tufa (c) Marble (d) Raw lime stone - The lime sets on absorbing CO 2 from atmosphere is
(a) lean lime (b) feebly hydraulic lime
(c) rich lime (d) fat lime - The lime used fur finishing coat in plastering is
(a) semi hydraulic lime (b) kankar lime
(c) magnesium lime (d) eminently hydraulic lime