Construction and Building Materials Practice Test 4

1. The _________ formwork can be reused several time as compared to ordinary Timber formwork.

2. 1:2:4, 1:3:6, etc. Are used in which method of volumetric proposition.

3. The external file escaped stairs are generally made of _______

4. _________ vibrators are mounted on platforms or screeds.

5. The _________ is a mixture of cement and sand, the usual proposition being 1:3.

6. As no-fines concrete has little or no ___________ in the fresh state, it requires long time for the removal of forms.

7. In ________ test, the workability of concrete is measured in the terms of internal energy required to compact the concrete fully.

8. In the designation 6 WS 12, the letter S stands for __________

9. The process of selection of relative proportions of cement, sand, course aggregate and water, so as to obtain a concrete of desired quantity is known as the ________

10. It is observed that in cold weather, the curing is _________ in the initial stages of the setting of concrete.