Question 111. The central core of the zoned embankment type earth dam ________________________

Question 112. What is the Terzaghi’s recommended value of U/s side slope for earth dam of height less than 15m of homogenous silty clay?

Question 113. What is the U.S.B.R recommended value for freeboard when the height of the dam is more than 60 m?

Question 114. Which type of dam is suitable on shallow pervious foundations?

Question 115. What is the recommended formula for top width of a very low dam?

Question 116. The relation between the scour depth (R) and Regime scour depth (Rₑ) for an alluvial river having regime width (W) and contracted width (B) is given by ______

Question 117. The Lacey’s scour depth R given by equation R = 0.473 (Q/f)^1/3 is applicable when the river width is equal to ___________

Question 118. A road bridge is proposed to be constructed across an alluvial stream with the estimated design discharge as 2500 m³/s. It is decided to adopt a total effective waterway equal to 300 m for this bridge as against the regime width of 237.5 m due to afflux considerations. If the HFL at the site is at RL 214 m, then the RL of the open foundation can be suggested as _______

Question 119. Calculate the value of maximum scour depth for a single span structure having normal scour depth 5m.

Question 120. Culverts are all those road bridges whose spans are up to ________