Q2.
(a) What do you understand by the term "segregation" of concrete ? What are the common causes of segregation ? What are the methods of prevention of segregation ? How bleeding is different from segregation ? What are the causes and how it can be prevented ?
(b)
For the following traverse, compute the length of line CD so that A, D and E may be in one straight line : | Line | Length(m) | Bearing |
|---|---|---|
| AB | 110 | 83°12' |
| BC | 165 | 30°42' |
| CD | ? | 346°06' |
| DE | 212 | 16°18' |
(c) Draw a labelled sketch of Right hand turnout, clearly highlighting the movement of train on both the routes i.e. main and diverted.